Ram air iv dyno speed gives a graph that has theoretical pressure rising with the square of speed, and this is why ram air has much more effect at greater speeds. The Test. Pontiac limited the lift to . Let’s first address why the SD-455’s camshaft specifications changed. thats assuming no The Ram Air IV built on the characteristics of the Ram Air II’s round-port head design, but with redesigned intake ports and additional updates that supported a rev range up to 6,000 rpm. On a TLs it goes a half point richer in 5th and again in 6th gear. Most who have one are happy with them. 4 seconds of 1/4 mile times, but this was the first time I have been part of having 1 on the dyno. It's not unheard of to see a rebuilt 455, with nothing but a RA IV replacing GLASGO 69 GTO RAM AIR 4 AND 70 JUDGE RAM AIR 4 DYNO DAY,THE 69 MADE 392 HP,AND THE 70 MADE 384 HP. But unlike the Ram Air IV, the Ram Air V never became a Regular Production Option. 46 rear, (depending on what I can get) My 455 made 455. has brought back the ultimate, ultra rare, holy grail of Pontiac’s: The legendary Ram Air 5 cylinder head. HOW WELL DOES A TUNNEL RAM WORK? WHICH SBC INTAKE MAKES THE MOST POWER? IS A TUNNEL RAM JUST FOR HIGH-RPM RACING? CAN I RUN A RAM AIR IV camInstall advanced? a Melling RA IV copy cam on 113. This is a very desirable car, they made only When someone talks about a Pontiac Ram Air (numbers II through IV), they’re talking about a series of limited-edition, 400-cubic-inch muscle car engines built from 1967 through 1970. 45 sec. I'm not sure exactly how much the early heads will hurt power as we've never used any of them Among the extreme subtleties is a difference between the 1969 Ram Air IV head (No. you'd need to get a set of solid lifters and i'd recommend new springs along with it. The car is said to have been refurbished during previous ownership and acquired by the selling dealer in 2022. Lesser muscle simply wasn On each of the dyno graphs, the bold lines represent ram-air-assisted readings-solid for horsepower, dotted lines for torque. A total of 37 GTO/Judge convertibles received the 370 HP Ram Air IV engine. It, and the '69-'72 Ram Air IV and 455 H. *In 1970 the Pontiac division of General Motors built 40,149 GTO’s of which only 3,784 were convertibles. 5:1 compression, heavily-ported Ram Air IV heads, a huge, custom, solid roller cam, a heavily-modified intake manifold, and a bunch of other 69 GTO Judge Ram Air IV chassis dyno test. 520-inch-lift camshaft and a compression ratio pushing 10. (he lives here in the mile-hi city so effective compression will be more like 8. 4-sold 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10. 4L Hemi was engineered to minimize air restriction and flow better than stock. I wanna build a Ram Air IV clone engine. For a speed of 150 mph, the resulting maximum theoretical pressure would be about 27mb (approximately . 2. It made 3hp and 4ft lbs torque The images directly above tell the Ram Air V story in a nutshell. Not too shabby. Speedmaster ram air IV flat tappet heads with a edelbrock 7156 intake. 5:1 400 build for a 4 speed 1967 GTO. 9k 1. Pacensya mga paps, ngayon lang tayo nakapag vlog uli, medyo busy lang po sa work, Ride safe sainyo 🇹🇭🔥Eto link sa shopee mga paps:https://shopee. Even with regards to the rare, high performance engines, the Ram Air II Firebirds consistently place very high in pure stock drag racing today. So results are 3300 rpms = 388. E81 / E82 / E87 / E88Model Year: 2004 - 2011. 00 Bare Set – includes with installed seats and guides. 30 over, TRW Forged Pistons, 4X Heads with Comp cam ram air V and Nodular Crankshaft 9799103. (engine dyno), all else stock. My set up currently is 455 bored . 65 rockers, Rhodes lifters , 3. 65:1. 7l. this was with no tuning. (The tubes could be round in cross-section or airfoil-shaped as shown here. The owner wanted the engine to look very stock, yet get the performance into the Ram Air IV range. No I don't do any racing. On more modified ones, much bigger difference. The comparison is based on the DYNO charts that we requested from the manufacturers exclusively for the ChallengerTalk forum. 12 (tie) Best low-compression D-port head : No. this combination is worth 659 horsepower and over 600 lb-ft of torque on the dyno. stock rockers/ p-rods Pontiac 400 Ram Air IV 69, 722 Heads on dyno,, 041 cam, borr 030, The Pontiac Ram Air IV was another short-lived, but powerful Pontiac engine. The '041' cam is hard to beat for cost, sound, performance. Lot S163A correctly-restored one-of-a-kind Ram Air IV convertible with Pontiac Historical Society documentation, this 1970 GTO Judge is an outstanding exampl Actually some magizines got 1/4 mile times on RAM AIR IV GTO's within low 13's or low 14's. One suggestion was to drop down to 10:1 compression pistons, some porting of the Heads, Install the larger valves, roller rockers, stock factory spec Ram Air lV camshaft, ram air lV exhaust manifolds, Edlebrock Performer Intake manifold, Holley Carb, & MSD Ignition. You would also be restricted to the smaller pipe size. 00 Assembled Set – ready to run set with stainless valves, steel retainers, steel keepers, viton valve seals, and mild roller cam springs for up to . This is why so few Ram Air IV V8s were produced. IF you want to go back from there with a 3" exhaust system, you can, but honestly unless the engine is truly putting out near 500 hp at the flywheel, seriously doubt the 2. ) Naturally, the intake manifold ports were equally massive–roughly Testing parameters with Ram Air manifolds and 2. Standing 1/4 mile . ph/produc 4 Pass 13" Dyno-Cool Series 6000 Aluminum Transmission Cooler Transmission Kits Series 6000 Aluminum Transmission Cooler 12901 RAM Air Coolers. 51 (standard on the Judge) or the top-dog Ram Air IV at $558. YAMAHA YZF-R6: Here is obvious proof that ram air works on smaller-displacement engines. 480 lift. 3. Aluminum rocker arms were reportedly installed during prior ownership, and a PerTronix electronic ignition module 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13. All the Ram Air variants Banks cold air intake, Banks monster ram air horn, 3,5 inch cold side inter cooler pipe, Banks pedal monster and I-dash, banks super gauges, Banks rear diff-cover, BD diesel front diff cover, Bilstein dual steering The Ram Air IV casting was carried over with minimal changes for 1970. Who cares if the mapping is done to +-1% if in real word its Without putting a Ram Air IV car on the dyno, it's still easy to see that its power was underrated. Plotting pressure vs. has $7,999. 48, No. It is a real 70 Trans Am (WS4 code, “228870” VIN) built at the Norwood Plant and is Help your 2019-2020 Ram 2500/3500 run more efficiently, prolong its engine’s life and increase your power gains with the new dyno-proven Air Intake System by K&N. Its intake runners were enormous and flowed something like 325 cfm — nearly 50 percent more than a Ram Air IV head. 0s with a 268/268 solid roller in a 455 with Warrior intake and 950 Holley. 4hp and over 530tq on KRE's dyno with the RAIV cam and 232cfm 6X heads. It has taken a while for its popularity to catch on, but with some noticeable success on the I can tell you from personal experience in a Ram Air equipped AMC (which is a dual system, you can run on normal or pull the lever for the scoop) just running back-to-back-to-back-to-back that the factory ram air was The Ram Air III was the smart choice since it was less expensive for buyers yet produced about 95% of the power of a Ram Air IV. Car and Driver I think recorded a 13. Here’s the engine loaded in the back of the truck and heading to the dyno shop: 1999 Trans Am WS6 making a pull on the chassis dyno. This is the first year of the 2nd generation Trans Ams, with only 3,196 produced in 1970. . tostedpoptarts Discussion starter. Exhaust is stock. Not many folks checking that box in 69 based Best performance head : 1970 Ram Air IV Best intake port : 1969-70 Ram Air V Best exhaust port : 1968 1/2 Ram Air II Best D-port head : No. From 1965 to 1968, Tom was the project engineer in charge of Pontiac V-8 power development in the Pontiac dyno lab. 3 for 4th,. 24 of the Ram-4 GTO/Judge Convertibles received the Muncie four-speed manual transmission. He saw the birth of the first Ram Air engine and the Ram Air II, III, IV, and V engines. 500 CFM Race Porting, ready to run set with stainless valves, titanium retainers, steel keepers, viton valve seals, and SOLID roller cam springs. This car has just underwent a full frame off restoration with no expense spared. Engine is stroked to 461 CID, dished Icon pistons (designed by Spotts Performanc Detailed Ram Air Five Heads Pricing. My 1962 Chevrolet Bel Air 2-door sedan was a "barn-find" in Oklahoma. In this video series I am goin to test out 2 new cold air intakes to see if they make a difference. This all started when I wanted to buy the GruppeM Ram Air Intake but I couldnt find any results/data to For sale is a real-deal 1970 Pontiac Trans Am Ram Air III. Although Pontiac rated the Ram Air IV 400 at 370 horsepower, Yet a dyno test by MotorTrend shows a stock 1969 L78 engine pumping out as much as 425 horsepower. 6X Best balanced head (exhaust to intake) : 1963 421 SD Best low-lift (under . $4999. The Ram Air IV engine was made with very tight tolerances off the line, making it very close to being an actual hand assembled engine. I notice it holds 75+ much easier, I’m getting 2. 70s in an all metal 76 Trans Am with Ram Air IV heads so I was wondering. 614 HP, 548 Torque, 7200 RPM pull. RAM AIR 3 versus RAM AIR 4. $3499. More tuning is definitely in the future on this. Na gaya nag sabi ng iba na “Dyno tested” ang video na Ito ay para sa Malawak na ang kaalaman regarding sa pagpapalakas. 33@132 3595lbs 1964 Corvette Coupe 327 4 speed Let's first consider that base price for this beauty in 69 was $3,156- then let's look at $558. Location: Westchester NY. DCI Ram Air 5 Heads 500 CFM Race Port Solid Roller Assembled Pair. 73, 4 wheel disc. Of that number, only 1,769 RAIII manual transmission cars were produced, making this a very rare car today. The stock ratio is 1. O. This is the car that everyone looks at because it is the fastest factory stock Corvette. The test vehicle used in this series is a 1971 LeMans wagon powered by a relatively mild, moderate-rpm 455 running a Turbo 400 automatic with governor-controlled shifts (5,500 rpm); Edelbrock Performer RPM intake manifold; 800-cfm Rochester Quadrajet; 041 Pontiac-grind camshaft with Rhoads variable lifters and 1. They did have a new trick; a Ram Air II engine option. With an LS6 intake manifold and custom computer tuning the otherwise stock LS1 in our '99 Trans Am put down 288 hp and 293 lb-ft at the rear tires on a Mustang dyno. 5 centers, Q-jet on a stock manifold, 1. 43@103. ported (290-300 @. I want people to know what I have. He also wanted to run all accessories, including air, using the stock 1976 brackets and mounting points. They make the Ram Air cast iron exhaust manifolds having 2 1/2" outlets or 2 1/4" made by Ram Air Restoration Enterprises. At this time, I am thinking of the 705 Thinking about upgrading to Edelbrock RAM AIR IV Aluminum Heads this winter. The 1969 Pontiac Trans Am Ram Air V is the rarest of its breed, with only 1 ever produced. I know a guy running 9. This is modified Ram Air IV territory with a corporate small-block that is 100 inches smaller and on 92-octane fuel. High-Performance Ram Air Versions . It has new DuPont Surf Green paint and a complete Ciadella interior. 11/1. Check out these McCarty Racing Ram-Air V heads and new design intake on the dyno. 00; Bowl blending: $350. Ram Air IV, or W-30 equipment. 65:1 CPMotorworks,Inc of Janesville Wisconsin built 1967 400ci Pontiac for original GTO. Will post a vid. The Camshaft Comparison. Dan is a good guy and knows his stuff. 2 for 3rd,. Pontiac planned on rating the engine at 375 horsepower, even though dyno tests were closer to 500! After testing the Ram Air IV GTO, the Royal crew swapped engines. 7 Hemi in the Ra Check out Ram Air and the dyno in this discussion for more information. , and 1973–1974 Super Duty 455 engines. In its introductory model year as the division's top The SD's were "originally" designed for the Ram Air IV cam but that was not to be. I'll buy another HFT, roller for pontiac is quite pricey From there, a buyer could choose the Ram Air III at $168. Add the following options to any order Gasket matching: $150. 20 for the Ram Air IV option- that's right the engine choice was almost 18% of the base cost of the car. Don't have flow numbers but the 79 T/A they were on ran 10. DCI Split-Port Pontiac responded by essentially increasing the displacement of its otherwise high-compression 1970 Ram Air IV to create the 1971 455 H. All are tested at varying speeds with multiple multipliers in them in order to function at the desired speed and pressure levels, not noticeable on a static dyno (if you like strong dyno numbers The Ram Air III and IV were introduced in 1969 and carried over to 1970, while the round-port design was also used for the later 455 H. That's why they The Pontiac Ram Air manifolds are much better, but still not as good as tubular headers. 00. 45" outlet RA manifolds made by PYPES & RARE. 5:1 compression, which we’re good with, but the new aluminum heads are based on the Ram Air IV design, which feature D-shaped ports. Young says that the Ram Air V was I sold my 1963 Pontiac Catalina four years ago and bought a partially restored 1962 Chevrolet. 45" equiipped RA manifold 3" mandrel bent pe system will gain Building a 440-Cube 659-Horse Race Engine With a Factory 455 Block, a 428 Crank, and Ram Air-IV Heads. Most Pontiac enthusiasts are familiar with the Ram Air V’s most distinctive feature—its tunnel-port cylinder head, which features cavernous intake ports bisected by a pushrod, and separated exhaust ports. The rest is stock stuff. WE WILL BE BACK IN THE SPRING TO SE 400 cubic inch V8 Ram Air IV, four speed 0 to 60 mph . Round port heads improved flow while the engine’s unique cam profile provided . The only thing I had to cut were the removable headlight buckets that actually held the 2 headlights, not the bezels. Reactions: smiley and Outbreak. 050" figures of 212*/225. 670 heads, 9. The high-winding, 400-inch mill, complete with a 0. com, the official website for High Performance Pontiac Magazine The 400ci Ram-Air IV V8 is fed through functional hood scoops and was factory-rated at 370 horsepower. 4 dyno results - Well went to the fund raiser here for cancer today and put the truck on the dyno. First I need to see how much power the 5. 6 seconds, while glasgo 69 gto ram air 4 and 70 judge ram air 4 dyno day,the 69 made 392 hp,and the 70 made 384 hp. Now if suzuki equated . edelbrock shows an idea of hp with their dyno testing. Read more only at www. The engine starts with a 4-bolt main engine block, a forged crank, forged pistons, and high flowing oil pump. 25" crimp bent head pipes. The factory managed to increase maximum airflow in the 1970 intake port by some 20 cfm, and got it all at . 722) and the 1970 Ram Air IV head. Spent the day getting the firebird dialed in for a proper baseline so we can do some minor tuning after we get a few of the minor issues figured out that we The log manifolds were replaced with Ram Air Restoration Enterprises 2. Honestly shocked at the sound difference. Then things change. I have seen the Vararam intake drop . 8. C6 Corvette ZR1 & Z06 - Exciting NEW C6 CAI / True RAM AIR Design (Dyno and Road test results) - Guys, I have recently gotten involved with a company that a number of years ago came up with a really effective CAI that FULL DYNO RESULTS. 400 lift, by increasing the port width framing the short-turn radius by a mere . Unless you step up to Ram Air IV or aftermarket heads, I would recommend the 068 cam The '041' ram air IV cam is a great cam. Still can't figure out why RA IV's didn't get 12 bolts though, when even SS350 Camaros got This engine already had 10:1 forged pistons, headers, Ram Air III heads and a nice camshaft, putting out in the neighborhood of 350 hp, but we wanted a little more. @ 97. With a difference of 50 SpecsBrand:SpeedmasterPart Number:PCE281. 8 and the block is zero decked. DCI Split-Port Ram Air 5™ Product Details DCI Motorsports Inc. If you change your mind and decide to try it, I would suggest advancing the Features include a black convertible soft top, Ram Air induction, power steering, power-assisted front disc brakes, 14″ Rallye II wheels, a dual exhaust system with Dynomax chambered mufflers, and a push-button AM/FM radio. As far as on the road vs dyno the A/F ratios stay the same through 4th gear. 14. 12 of the 24 GTO’s had “The Judge” option and 12 did not. Today Ram Air V pieces are highly coveted by a small-but-dedicated crowd of hobbyists, and they command a premium. True 9. I've done quite a few homemade Ram Air setups over the years, have lots of photos. The 476 dual-quad Ram-Air V was bolted to the dyno at Tony Bischoff’s BES Racing Engines in Guilford, Indiana. Diffrent sources have diffrent times. This was under the watchful eye of Dan Jensen, one of the organizers of the Pure Stock Drags. The Ram Air IV cam was designed for high winding 400's with stiff rear gears. New dyno is 542rwhp repeatable. If there's a better choice, I'm all ears, I'd rather have it right the 1st time. 400) head : 1967 I'm kind of surprised that Butler hasn't put together a few combos by now and put them on his dyno to advertise these camshafts that he basically brought to the market. The underside is as nice as the top. "I sent three pairs of Ram Air IV heads to three different porting specialists, two in Southern California and one in Florida. Just for an aerodynamics perspective, look at what ram-air does quantitatively 2 thoughts on “ PONTIAC RAM AIR 400 VS CHEVY LT-1 350? WHICH GM MUSCLE MOTOR WAS REALLY THE TOP SMALL BLOCK? ” Ed Wallace November 30, 2022 at 5:36 pm. 65 ratio rocker arms (vs 1. 5:1 on Pontiac V-8 engines except for the Ram Air IV, V, and SD-421 engines, which used 1. Just got it off Joe Shermans dyno. 33@132 3595lbs 1964 Corvette Coupe 327 4 speed Product Description As Cast Ports, Fully Machined with Seats and Guides Installed. 25:1, proved a The ram air 4 041, the bracket master 292, the xe 284? The street master 295 may be higher in the rpm range than I want. 600) Ram Air IV heads with everything else being equal? Yes, you can buy aluminum heads but it would be cool to hear feedback/opinions on this topic. The results of the dyno test are taken for face value and not agonized over Up for sale is a very rare 1970 Pontiac GTO Ram Air IV four speed car. Estimated Ship Date: Jan 22, 2025 if ordered today. 08, 3. As per Tom Nell, who acted as race engine engineer with Pontiac in the late 1960s, when talking to Motortrend, he saw figures of 453 hp and 355 lb-ft on a dyno run. As my busa seems to make the most power (ON THE DYNO) around 13. Part Number: SCE-228181-10. 470 lift!) and distributor set up with an aggressive timing, a Rochester Quadrajet carb with special go fast goodies including its own accelerator pump spring and jets. 65 ratio which puts the lift at . Simple Review kung maganda ba na may velocity stack/Ram air kung tawagin. This was going to be a very interesting test. Many guys have doubted their 30hp claims, and this sheet is hard proof. To ensure that your Ram runs smoothly even at the high RPM, the guys over at K&N have manufactured a perfect setup tuned to suit its The Vararam had a much leaner air/fuel at the top end of the pull. The Performer RPM packages require 9. 750″ lift. The rusty, nasty and bad a$$ sounding Hedman full length tubing headers are staying on my '65, though!! I,ve read each gear has differnt enrichments to allow for ram air. This verifies that the Vararam is pulling in a lot more air. 50). These were assembled using all stock parts and no-porting. 5:1CR, hydraulic roller camshaft for low maintenance, origi Pontiac 400 Ram air IV , , 69 722 heads on Dynotest The Ram Air V was a special 400ci block with newly designed high compression tunnel port heads and a special high rise intake manifold. 8 mph Here is a whole slew of vintage Pontiac tests - many of which were performed on SLICKS and with lots of This engine was personal -- our owner's 462-inch Ram Air IV race engine featuring 14. 5 on the I have shown the "041" Ram Air IV cam using the 1. 6-7 and the bike is tuned in 4th gear on a dj250i my tuner maps it to 13. 800″ with a 2. The trans will be a 700r4 with either a 3. 16, No. 90 posi and about a 2500 stall compression will be set at 9. Tom pontiac 366 NASCAR Ram Air V engine. 5 to 1 Weisco pistons, Edelbrock aluminum heads, Scat connecting rods, Isky hydraulic cam, Edelbrock avs2 800cfm carbu DCI Motorsports is no stranger to the most rare Pontiac combination. It had volume and plenty of it, but it was too much, even for 400 cubic inches. 2 in that gear. 19 posts · Joined 2021 Add to quote; Only show this user #1 · 20m ago. Drop Ship; AccuSeal Pro Dyno-Paks, Graphite/Steel, Round Port, Pontiac, 400, 455, Set of 10 Pairs. DCI Split-Port Ram Air 5™ Heads and Intakes Now Available! DCI 5 heads flow as cast 380+ cfm @ . problem is with your combonation is your car will be a stone with any big cam using the heads and rear gear you are. The Ram Air III like all the other Pontiac V8 engines produced from 1966-1970 was painted in Pontiac Light Blue Metallic, one of the best looking colors to grace an Velocity (v) is air speed, with units ft/sec. Yet all of our customers who have tested the systems on these cars are getting 3. 1969 GTO ram air 4 Other Shops Sell Ported 240CFM Iron Heads for $1950. As we stated in "Ram Air Test: Part One" in our October issue, the results will definitely surprise you. Add to Cart Compare. The unique Has anyone run back to back test on race ported (260-270 @. I use Dyno Max. 5 for 6th. 1978 Black & Gold T/A [complete 70 Ram Air III (carb to pan) PQ and 12 bolt], fully loaded, deluxe, WS6, T-Top car - 1972 Formula 455HO Ram Air numbers matching Julep Green - 1971 T/A 455, 320 CFM Eheads, RP cam, Doug's headers, Fuel injection, TKX 5 Spd. Reply 2. Not the cam for a low rpm design like a 455, especially with an overdrive. On a stock iron head GTO 400CI, going over . The factory non-Ram Air exhaust manifolds are not as streamlined and don't flow as well. 1. 600) iron D-port heads vs. 518". After a few burnouts and warm I want to try to obtain around 400 HP with pump gas and maybe some additive. On stock-ish engines, tubing headers really don't offer much improvement. For a street car, the brand and tube length of the header is not that important - the key is to simply get the flow on the exhaust side. 361" lobes. 90's and up. 45-inch outlet ram-air manifolds and its 2. 4 psi). It also gives a quantified number for the effect that Forced Air Induction through the intake system and on real world Air/Fuel and Horsepower numbers. All around street-road high performance with occasional 1/4 mile track appearances. With Dyno Pro's advanced windows software, Dyna Run V4, setup of the RAM-Air System is simple and user friendly. The SD-455’s undersized drive gear required a new camshaft, which was The owner wanted a very mild cam to maintain engine vacuum and power brakes, so a mild hydraulic roller with specs similar to a Ram Air IV was used. 4L Power Stroke Diesel - Stock 6. highperformancepontiac. Engine Oil Cooler Kits; Trans Cooler Kits; Coolers Only; Custom rebuilt 445 Olds engine with 10. T. 20 valve! Learn more DCI 5 intake Intake capable of 1 x 4, 3 x 2’s, 2 x 4’s, roots style blower, and port fuel injection! Learn more DCI Ram Air 5 The truth is, there were actually four versions of the famed tunnel-port Ram Air V V8 developed: a 303ci short-deck version for SCCA Trans-Am racing, a 366ci version for NASCAR, a 400ci powerplant Air Ram 08 manifold adapters w/ FRP porting + mirror polishing VHT-coated 08 manifold SCT 93 octane custom tune by Sean Powell/KRC Performance Metallic cats 3" Y-back exhaust, Magnaflow 4x14 bullet-style muffler, 3" mandrel tailpipe Hybrid lift, 31" Firestone Destinations I dyno'd at a different facility in the fall, to the tune of 180/243. aluminum castings, are popular since they are compatible with all Pontiac hood lines and accept all original equipment—very important factors if you I'm thinking of using the RAM AIR IV cam in a 9. Butler Performance further worked-over these heads to maximize the airflow. The Banks grid heater solution should be standard on all 6. 96(1971) Best low-compression post-1972 head : No. Please no haters. Since About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have measured A/F ratios both on the dyno with and without air and on the road in real time. Please reference the dyno charts for the exact results for each combination. Where it really started getting good was at the top end — the Ram Air IV heads has 67cc chambers, 2 The castings were limited to the 1968½ Ram Air II, 1969– 1970 Ram Air IV, 1971–72 455 H. Pontiac project engineer Jeff Young oversaw a dyno session with the Ram Air V. THIS WAS WITH NO TUNING. A 1969 Pontiac GTO Judge with a 400 Ram Air IV could blaze a quarter-mile in 13. 470" lift won't really produce more power. 520 inch by The CNC heads are patterned after the port flange configuration of the 1969-1970 Ram-Air IV Pontiac heads. Etong aming review ko po ay base Lamang current na Ram Air Series Cams- Features the Original 744, 067, 068, and 041 Style Reproduction Cams and the Exclusive Ram Air Retrofit Hyd Roller Cams ground by Comp Cams exclusively for Butler Performance Welcome Guest My Account Order Status The 2. With the duals it made 452 HP @6700. Shaggy 12y ago @ New car Spotts Performance builds a stout 1970 Ram IV for 70 Bonneville Funeral car. 1970 The factory rated the Ram Air IV at 345 horsepower, just 10 more hp than the Ram Air III, but a look at the spec sheet tells a different story. We increased one jet size and got 6HP from this video. Sold as a Pair DCI Split-Port Ram Air 5™ Product Details. I would reccomend installing that bump stick (The way Pontiac intended). 6. Part Number: FOG-7261S. 4 for 5th,. 017 inch on either side. I really want to do a cam swap as well, but a well known vender is really pushing a hydraulic roller swap (pricey) and wouldnt even recommend a flat tappet (which they sell) due to the risk of wiping a lobe. Not Yet Reviewed. Sounds like a million dollars and makes good power. 2165Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):72 ccCNC-Machined Velocity stack has specific size requirement at kung available ang dyno ay dun tayo mag base. 6 seconds, while Exhaust Header and Manifold Gaskets, Ram Air IV, Steel Clad with Graphite Coating, Pontiac, V8, Pair. Save Some Weight, Money And Gain 49CFM. Didn't expect the results to be fantastic as I have the off road tires that are heavier than stock and the truck only has the banks air ram on it. 23, or 3. The heads are loaded with stainless steel Ferrea valves, Comp springs to complement the If you dyno in static air (blowers do not really generate any ram air effect) you should dyno for a tad bit rich. many things need to compliment each other. That Pontiac is a RamAir3 head. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. The intake pushrods pass directly through the gigantic round intake ports, running in tubes to seal off potential air and oil leaks. 12 Bolt 3. 52 in (13 mm) thanks to the use of 1. 0 Mph through a ¼ Just built a very rare 366 NASCAR RA V engine for my 69 bird. and 455 Super Duty engines. 69 GTO Judge Ram Air IV chassis dyno test. We're assembling a factory-specification 1969 L78 396 and dyno testing the finished engine to see how much horsepower it really makes. I'd go with 2 1/2" on these. I told Ram Air IV motors seem to be regarded as top motor of choice in a Pontiac production car, but what about 455 HO motors? When you think about 400 Ram IV cars only having 10-bolt rears, and the 455 HO having a 12-bolt rear, there is significant difference. The $1200 to replace the grid heater with the new version Ram Air to save a possible $20k engine replacement was worth it to me. Hi-Flow Racing Coolers; 10000 Series. 3 for that gear enrichment the assumption is it,ll end up around 13. 5:1 455 motor. Bel Air 327/300, 4-speed, 2-door sedan. specs out at 240 duration, 110 lsa, . It looks like "bang for the buck" when all things are considered is with the cast ram air/HO manifolds. 5 CR calif pump gas engine. A developmental SD-455 on the dyno cell at Pontiac Engineering being tested for power output. 1978 W72 400 Trans Am, 1965 Tri-power GTO, 1969 Ram Air IV GTO Judge, a 1973 Super Duty 455 Trans Am, or a 455 for a 1971 Grand Prix, DCI motorsports will rebuild your engine keeping the factory look and function while upgrading the fundamentals to allow your engine to OVERVIEW MAXIMUM PERFORMANCE Our cold air intake for the 2019 Ram 2500 / 3500 6. 1 higher mpgs (smaller sample size of course but I’ve driven at least 4 In the case of all VR ram air units, true power output will never be able to be measured on a dyne as they are designed on a race track (to be moving). But 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13. Posts: 15,734 "The new issue of Muscle Car Enthusiast magazine has a dyno shootout involving 2 Pontiac motors. 5 ratio rockers instead of the 1. So the HP increase was "all Banks" 4" exhaust, moonshine tune efi, bank ram air intake with scoop, kennedy twin pumps, suncoast trans cooler, Suncoast V, transfer case bracket Nick's Garage Gear Shophttps://teespring. 5-4. Ran it with a single 4bbl carb as it will be put in the car and a 2-4 intake with a pair of small AFBs. DCI Motorsports Inc. My 69 RA 3 Judge has some port work done and an UltraDyne “close to RA4” spec cam. 2 sec. in order to Despite some promising early dyno results, it soon became evident that the tall-port Ram Air V head was too much of a good thing. I also pulled the inner left turn Dyno test and tuning this mild, pump gas friendly 9. I’ll get the Ram Air IV heads from Ames (aluminum from thats probably without accessories. So I've been looking around and haven't found very many engine dyno runs on these engines in bone stock form, except for the 396. Available only as an “over-the-counter” engine, the 428 was the stuff of Pontiac legend. RAM AIR 4 DYNO RUNS 69-71 Judges only TECH 6. ) car is stock, full Fujita ram air intake for E90 (w/ dyno) Bimmerpost ☰ Model Selection. . Running it with the stock air cleaner it struggles to even pull to Ram Air IV on the dyno RA IV cam is a very popular choice with a low-comp 455. This was essentially the 400 V8 with round port cylinder heads, matching exhaust manifolds, a hot profile camshaft (308-/320 degree duration and . 20 (plus some mandatory equipment that added about $200 more). Right on the dyno I pulled the flat solid and installed a custom ground Comp XFI lobed hydraulic roller cam, 230/242/112 with . "Butler Exclusive Pontiac Ram Air IV "041" Hydraulic The Ram Air IV used the Ram Air II's camshaft but lift in the Ram Air IV was increased to 0. The cam you're using really needs some flow on the exhaust side, and any headers will achieve this. Not only have we reproduced this legend in aluminum we also put it on steroids. I ran a Ram Air Box setup with two 4" hoses around the core support up to the headlight buckets, and screened the openings with black screen. we will be back in the spring to se In the last year we've built a couple of different combo's designed around a completely stock look, using iron heads, iron intake and Ram Air Exhaust manifolds. NEW SNAP IN LID DESIGN Our new snap-In lid design requi Even with the stock intake modded 100% with the same ram air scoop and better filter the Volant was still better. No other trick parts – the engine was pretty much a 1967 GTO 400 with a mild roller in it. The engine of my Bel Air was rebuilt in 1968 by the previous owner. One engine, making right around 450hp only lost 7 hp and 8 lb/ft of Considering that Ram-Air V manifolds are absolutely impossible to find and the early JR headers are also nearly extinct, these new offerings are a necessary addition to the product line. Here is a pic of Video of the Big Boy 434 cid Ram Air IV idling. This powerful muscle car boasted 453 hp, outperforming other Trans Am models of the time. Ultimate Warrior : Join Date: May 2008. Let us say that with twin Domi Installed the Banks Ram Air cold air intake a few days ago. 407" because their standard heads did not flow beyond that point. Stock nonported E-heads with that solid cam made just over 500HP on the dyno with 1-3/4” headers, 850 Holley and a RPM intake. 50-inch mandrel-bent head pipes. But it also gains the least of any of the C5s from this system. The longer smoother intake tube helps smooth out the power band and increase power. The Ram Air IV heads had 1/8" taller intake ports, larger intake port volume with more airflow, yet shared the Ram Air II Pontiac had two Ram Air III cams, the 744 for manual trans applications (the specs you have above) and the 068 (or "S" stamp) which had . Jump to Latest 22 views 1 reply 2 participants last post by vincentyang246 a moment ago. Our Heads Flow 289CFM As Cast! Back to the dyno today. RA2 or RA4 The new issue of Muscle Car Enthusiast magazine has a dyno shootout involving 2 Pontiac motors. 2sec on a RAM AIR IV Judge in 1969. 77 valv In other words, even though the fuel map is properly tuned for a dyno run, with ram air at speed out on the road won't the system run leaner? SCARY!!! JG I ate the gixxer with a side of fava beans and a nice Chianti. 50 max GruppeM RAM AIR - Dyno Comparison Results. I wish there was a dyno close by( I The Ram Air Super Duty, a high- performance 400 engine much like the Ram Air IV, featured round-port cylinder heads, a heavy-duty block, and forged internal components, allowing it to withstand The Ram Air IV heads are ported to the max. Then I removed the Banks System and put the stock airbox back on yno'd 533rwhp with only Downpipe changed. Very interesting. 5-4 tenths and 3. legendary Ram Air IV factory heads, which explains how the en-gine out-performs the Ram Air IV. This the first pul out of 20 with no changes, it wanted way more fuel. it shows 387 with a performer cam and intake with d port heads. There is Without putting a Ram Air IV car on the dyno, it's still easy to see that its power was underrated. Using the original Qjet, iron intake, 670 heads with 2. Quick view. identical to the successful number-041 that camshaft whiz Mac McKellar designed for the Ram Air IV. The round-port first appeared for 1968 as part of the Ram Air II engine option for GTOs and Firebirds; the next year saw the introduction of the most desirable round-port factory head, the Ram Air IV. Here, a 1969 issue of HOT ROD Magazine leads with a cover image of a then-new 400ci Ram Air V engine. We compare the intakes by K&N, aFe, Volant and AIRAID. 5" mandrel bent downpipes are mainly marketed to work with the aftermarket 2. G42Model Year: This was the final and best run of the day. 00 At the time, there was also talk about a possible 428 version. While a 400 ci Ram Air IV, the highest spec engine available for the 1969 Trans Am, could produce around 345 hp and 430 lb-ft of torque, the Ram Air V far exceeded these numbers. com/stores/nicks-garage-gear-----Nick's Gara PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 69 ram air dyno test Reply: Page 1 of 2: 1: 2 > Thread Tools: Display Modes #1 07-20-2019, 06:27 AM steve25. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. Car is a an original 1970 Firebird Trans Am, with numbers matching Ram Air III engine (minus the original #12 heads), which was also offered in the 1970 GTO and standard in the GTO Judge, and hence of potential interest here. zzh jsmpbiqc nzdf zjglo hemu yzwobsw ydyl xgjesdly sggqi hrfs