olds 403 stock cam specsolds 403 stock cam specs

Through our research and development program we have learned exactly what these Oldsmobile engines are capable of, mechanically and throughout many different . . September 11, 2012, 04:22 AM. RPM Cylinder Head #61029 Oldsmobile Big Block, Flat Tappet Camshaft. . Pontiac/Olds Engine Information. Part Number: HRS-CL510011-12. Get the carb and distributor blueprinted and performance curved. Carbs aren't the problem. We only use the highest quality materials in all our products. Again, camshaft specs (.475/475 lift) nudged the big block's . The 1961 Oldsmobile F-85 shared a new Y-body platform, (on a 112-inch wheelbase and unibody construction) with the Buick Special and Pontiac Tempest. 69 Camaro -originally a LM1 car. By 1975 the horsepower in the Ninety Eight was down to 190. Carbs aren't the problem. 303 / 324 / 370 / 371 / 394 CI 1949 - 1963. 403 and 307 Oldsmobile Division V8s, as well as information on improving the performance of the last body on frame car (G Body) that was produced from 1978 to 1987. Largest cam with stock converter and mid-3 series . my 77 Cutlass Supreme 403cid 350th 8.5 10 Bolt D dch921 Registered Note that the part # is not the casting number. COMP Cams K42-223-4 Xtreme Energy Hydraulic Camshaft Kit,Oldsmobile V8 $589.95 260, 307, 350, 400 . A stock 403 Olds engine has tons of torque. This purchase is for a custom built restored Quadrajet with original code stamp listed in description. I've ran into this a few times . Ships In a Few Days. A Camaro with a 400SB or T/A with 400 Pontiac will tear it up. The right camshaft involves much more than just matching valvetrain components and other engine parts. 8L (231) Buick, Chevrolet, Oldsmobile, Pontiac . you might be able to address the two main weaknesses of the 403: the cam and the compression. Fax (310) 515-5730. This camshaft for Olds 403 provides excellent performance in street carbureted applications. A stock 403 Olds engine has tons of torque. Performer-Plus Camshaft Kit for Small-Block Oldsmobile 350-403 V8. . A perfect combination of mileage and power. 403 Oldsmobile V8 parts in-stock with same-day shipping. The stock Oldsmobile 403 enjoys the benefit of a giant 4.351-inch bore diameter with a relatively short 3.385-inch stroke. The camshaft is the key to I am running the cam straight up regular unleaded fuel. Cam specs data such as valve lift, . Cleaned, magged & ready to ship. . 00:00. Ran it a few time and broke a few valve springs so pulled it apart and rebuilt it. Cam and Lifters, Street Force 1, Hydraulic Flat Tappet, Advertised Duration 259/269, Lift .448/.475, Oldsmobile, V8, Kit. We are known for our high quality,attention to detail and meeting our customers goals. V8 Catalog #3711 . Crosses at 5100 @ 420. Domestic Camshafts; Import Camshafts; Diesel Camshafts; Motorcycle/Watercraft/ATV . Miller says when Olds opened up the bore on these '70s-vintage engines, it. Their combustion chambers are too large, around 83ccs. V8 engine. 05-27-2005, 03:54 AM. SOURCE: Head tourqe specs for 403 olds and bolt tightening. The "B28" can was used on fuel injected engines and a few select engines that produced very poor vacuum at idle. Specs @ 0.50 Cam Lift Opens Closes Duration SAE Specs@ (0.06/Rocker Arm Ratio) Cam Lift Opens Closes Duration Cam Lift Gross Valve Lift Center Line C/L Rocker Arm Ratio Valve Lash Clearance C-400-P INT. The L78/W72 Pontiac 400's were matched up with a four-speed. As you can see, it was selected by GM for use in most high performance engines due to its ideal specs. Award Winning. General Motors used the Olds 403 as a 'corporate engine' across its line of brands. This Performer manifold is a stock replacement/street legal part for 1966-1972 (1973; Non-CA), 307, 350, and 403 engines with OEM 4bbl carburetor, and for 1972-1985, 307, 350, and . This head features many high performance options such as a 2.07 stainless intake . This car is equipped with T-tops and the vaunted WS6 performance suspension. 11-02-2006, 09:03 PM. The vast majority of 403s we see are either true restorations or "class" racers. (2) Get Results. APIA. Our motor has at its brain our Kryptonite cam. Probably putting a modern LS engine would be better; however making the 403 come to life and look stock is the direction I am wanting. 1979 Oldsmobile 350 403. 430hp @5500rpm and 471ft-lbs at 4100rpm. 403 Oldsmobile V8 parts in-stock with same-day shipping. The cam in it is 110 lobe centers plus a smaller lobe profile. But first a few tips.and some hard-and-fast rules: Runs best with aftermarket aluminum intake, up to 750 CFM 4 barrel and headers with free flowing dual exhaust. Email Address: Password . the cam design), I feel I can push this much compression without detonation on this particular engine." Time will tell. Consider the limited competition. Flat Tappet Cams / Elgin Oldsmobile V8 Hydraulic Flat Tappet Cams Sort by Price Low->High Price High->Low Title A->Z Title Z->A Item Code A->Z Item Code Z->A Popularity Top Rated $ 349.99 THIS IS AN OLDSMOBILE FACTORY W-31 REPLACEMENT CAMSHAFT AND LIFTERS . Olds 403 Crate Engine We Swapped a 307 for this 403. Lifetime warranty! The engine:All New and number matching!Specs: Oldsmobile V8 403, all new forged rotating assemblies,. This kit contains a hydraulic flat tappet camshaft with the following specs: RPM Range: 1700-5500; Duration: 289 / 300; Duration @ .050: 214 / 224 . All Models . Internal Dimensions. . As a leading supplier of performance, standard automotive and RV camshafts, Elgin enjoys a well-earned reputation for quality, performance and value. Duration @ .050 in. Call 800.979.0122, 7am-10pm, everyday. Howards Cams CL510011-12 - Howards Cams Street Force 1 Hydraulic Flat Tappet Camshaft and lifter Kits. Brand . All credit is his. The car is equipped with the base engine for 1979 which was the Oldsmobile 403 cubic inch V8 engine that delivered 185 horsepower and 315 lb ft of torque. . 1964 - 1990 260 / 307 / 330 / 350 / 400 / 403 / 425 / 455 CI. Gen I Olds V-8. The M/P1 camshaft’s big brother. Someone changed the hood scoop decal on this car to the designation for the Pontiac 400 cubic inch V8 engine. 326, 389, 400, 421, 428, 455 V8. A set of 7a heads from any '72 350, with your 403's stock 2.00" intake valves, will raise . Each suggestion will improve performance, . : Cylinder head torque sequence, 260, 307, 350 403 Oldsmobile built engines On the V8, tighten the bolts, in the sequence illustrated, to 100 ft. . The Oldsmobile V8, also referred to as the Rocket, is series of engines that was produced by Oldsmobile from 1949 to 1990. . I don't see anything to wrong with your timing, after all the 403 in the Olds cars are timed at 20 so your 14 to 16 is still slow. Our famous carburized roller cams begin as 8620 or 9310 alloy steel billet bar stock. With 107-degree lobe separation, the cam was installed with 3 degrees of advance. Valve Stem Seals Included No Lifter Style Hydraulic flat tappet Basic Operating RPM Range 1,500-6,500 Engine Make/Size Olds 307-403 RPM Range 1000-7000 Lifter Type Hydraulic Flat Tappet Exh. . General Motors achieved the 400 SBC engine's displacement by increasing the bore to 4.125 inches and the crankshaft stroke to 3.75 inches - actual displacement is just over 400.9 cubic inches. 86k10. . He was THE MAN behind Ultradyne Cams and he is now a cam designer for Lunati. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. Use Edelbrock's matched cam for the Performer intake, installed straight up. . (Deg) 224 Int. Custom Built for 1985 Buick LeSabre Collectors Edition Car Stock Type Engine Build with Cam and …. Each Elgin PRO STOCK camshaft is precision-machined and hardened from a premium-quality blank manufactured in certified U.S. facilities. The stock cam is like 186/200 duration with .400" lift. Welcome! You are going from 4A 83+cc to around 70cc chambers for early 350 heads, maybe slightly less, that right there is a plus 40 cfm gain on the exhaust side untouched and the same flow on the intake side. How could this be so? I'm replacing the following parts: Oilpan (Chrome) Oil Pump (Melling High Volume) Cranshaft (reground stock) Main Bearings. This will be modified along with the heads to create a matched performance package for power between 2,500-6,500 rpm. Based on a brand new US made blank (NOT a regrind), our cams meet all factory specifications (lift, duration, valve timing, etc.) A better-known and more common special edition 455 was the W30 package, which debuted in 1970 on the 442 edition of the Cutlass. Just completed is our engine dyno spec. Duration Advertised (Deg) 290 Usage Street/Performance SHOP NOW. This Oldsmobile 403 block was bored .030-over and fitted with custom Ross pistons. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Olds 330 Crank (freshly machined .020 mains .030 rods) Harland Sharp Roller Rockers Edelbrock Performer RPM J&S Girdle It was Oldsmobile's smallest, cheapest model - some two feet shorter and about $450 cheaper than the next-smallest Olds. Trans Ams came equipped with a standard 403-cu in rated for 185hp, but it was the more powerful Pontiac-built 220hp 400 option, mandating a four-speed manual, that . Mondello Performance manufactures and sells quality custom Oldsmobile performance parts and engines. Each cam then undergoes numerous precision manufacturing operations required to . Oldsmobile discontinued the 403 after the 1979 model year. cam. Oldsmobile Camshaft Specs. GM had to cast the block for the 400 . The intake manifold will be an Edelbrock Performer RPM Olds 350 (PN 7111). The other day my 403 blew a connecting rod (out through the oilpan) So now I'm rebuilding my engine with all the preformance parts I was waiting to put in. On a near to stock engine a camshaft around .450-inches of lift, 110 degrees of lobe separation and .218 duration at .050-inch lift should still give you a choppy idle while maintaining strong vacuum at idle. Ships Today. In Stock. THIS CAMSHAFT AND LIFTERS WILL ALSO WORK IN A 330,350,403,400,425,455 .IT CAME STOCK IN YOUR W-31 350 MOTORS . And now a comparison chart of horse power & torque on our 455 and our 403. I am by no means an olds expert, but a 350 cube motor with low compression and a big cam is going to be a dog. Call or email us today for a free quote! The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines produced by General Motors.Like all other GM divisions, Olds continued building its own V8 engine family for decades, adopting the corporate Chevrolet 350 small . . (1) In Stock, Including at a Supplier. Here's one by nrd515 describing how he got a 403 Olds-powered '79 TA to run 13.35/105 in the quarter mile. Choke element was mounted on the side of the carb, and drew hot air from the intake. The sum of the parts is much more than it's list, this motor has soul! EACH. This results in a compression ratio around 8.0 to 1. I have a few Olds motors, one . Camshaft 39 degree . The top engine in the 1979 Camaro Z28 was a 350 rated for 175hp; a same-year Corvette offered a more powerful 225hp 350, but it cost nearly $10,800 without other options. Rocket Racing & Performance is a custom engine building facility that specializes in Oldsmobile Performance.We offer a full machine shop, in house engine dyno, and parts supplier serving the local Wisconsin area and worldwide. The Oldsmobile 403 was a pretty short run engine produced from 1977 through 1979 and while it appeared in some performance minded cars of the era like the Firebird, Buick Riviera, and Olds 442, it has never really been looked at as a serious performance engine by the larger hot rodding populous. GM didn't do us Oldsmobile fans any favours, as most shows and material produced was focused on Chevrolet and Pontiac products. Duration Advertised (Deg) 300 Int. What this translates to is much less power since to run on pump gas the timing has to backed off dramatically. $207.26. To celebrate the workhorse Pontiac V-8 (sorry Olds 403, today's not your day) we'll highlight some of our favorite applications of the staple muscle car . Email us if you are looking for a specific date code. Set the TPS (Throttle Position Sensor) to stock values. on our 403 "Co-op crate Motor", take a read. as per original application. Our Address. 49 BBC -6 ATC 223 78 BBC 32 ATC 290 .298 .447 . SOURCE: Head tourqe specs for 403 olds and bolt tightening. Power/ Torque graph. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1 In the early '70s the fuel crisis and rising emission standards ended the muscle car era. 350 chevy won't touch a 403 Olds. The cam is an extreme energy (Comp Cams hydraulic flat-tappet street cam in the Olds: an Xtreme Energy grind with an aggressive lobe design that produces better throttle response and top-end power than other cams with equivalent .050-inch tappet-lift durations, even while maintaining increased engine vacuum) I built this motor pretty . The problem is the heads. Talk to the experts. and most plants built cars to a variety of . Out of Stock. it came stock in your w-30 455 motors. The top engine in the 1979 Camaro Z28 was a 350 rated for 175hp; a same-year Corvette offered a more powerful 225hp 350, but it cost nearly $10,800 without other options. You had to finish to win. The engines feature a cast-iron block and head and two valves per cylinder. If your O2 sensor is more than 50-70,000 miles old . Met de specs van de bekende Olds 442 met de 455 W31 high performance motor !Perf. KB pistons that get you in the 9.4cr 9.5cr range with 403 heads stock will be no slug even will high gears. There is no other place in the world that has more experience with performance Oldsmobile engines. the edelbrock performer plus cam specs out like this: ENGINE: OLDS 350-403 V8 RPM RANGE: Idle-5500 Duration at 0.006" Lift: Intake: 280° Exhaust: 290° Duration at 0.050" Lift: Intake: 204° Exhaust: 214° New cam bearings installed. 1978 Oldsmobile 350 403. Learn more about the New 2022 Ford Mustang, available at Cam Clark Group. 431 @ 5000. 4-4-2 and Hurst/Olds applications. As a result, it has a bore of 4.351 inches (110.5 mm), giving it one of the widest bores of any factory small-block V8. . Erson Cams has devoted thousands of hours to developing and testing camshafts specifically for the low compression engines and low octane fuels of the 1990s. The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. • CAMSHAFT AND HEADERS:Performer manifolds are compatible with aftermarket . Shop 403 Oldsmobile V8 parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Set the idle mixture using a dwell meter (if it's idling good, you can skip this step). Brand new original spec camshafts in stock for ALL 64 - 72 Olds Cutlass, 442, Hurst Olds. We may have other date coded heads and intakes in stock. The "B1" can is the most versatile and user-friendly unit for a good performance street engine. It was marketed as an upscale compact car, with a 155 HP alum. Application 1964 387484 52 278/282 .430/.432 330 Police Pursuit 577994 36 250/264 . Duration @ .050 in. JM 4-5 Camshafi Specs to A CS 120 camshaft 40 o. the . Other Services; Regrind Form; Email Address: Home > Domestic Camshafts > Oldsmobile. It came with a Ram Air 400 engine with cam specs of. Jim. If you have an overdrive tranny (TH-200-R4), adjust the TV cable to factory specs. . Oldsmobile enthusiast know the difficulty of finding quality information about their engines. Gardena CA, 90248. To date we have logged in over 30+ years of extensive dyno and on track testing. This one ran best with valve lash at .010-inch on the intake side, and .012-inch on the exhaust. Find OLDSMOBILE 6.6L/403 Camshaft Kits and get Free Shipping on Orders Over $99 at Summit Racing! 16020 South Broadway. Description. It has a 0.477"/0.48" Valve Lift. Will not fit GM Corporate 350 V8s. The problem is the heads. $389.95. Dick asked us not to print all the cam specs, since such things are proprietary The crankshaft began life in a 330-inch Olds, but went through some changes before . (Deg) 234 Exh. To deliver increased responsiveness and more area under the lift curve, it has quicker opening lobe profiles. These camshaft designs feature minimum duration with maximum opening velocity and lift.Valve timing is altered to produce high cylinder pressure Features: 3MP cam lens, up to 2K 1296P resolution presents every real and natural image. The calendar on the wall shows it's 6/6—close enough to Pontiac's iconic "6.6 Liter" badging on its Trans Am shaker hood scoops to have us thinking about everything Pontiac 400. Basic specs for the 403 engine include a 4.35 x 3.38-inch bore and stroke, 8.0:1 compression ratio, five mains, hydraulic lifters and a four-barrel carburetor. Here's the chart produced by Karl Sarpolis that was originally printed in the Feb/1995 issue of JWO. Factory Specifications - NROS Camshafts and Valve Springs ... 25 Factory Specifications - NROS Camshafts and Valve Springs Continued . M4MC, This is hot air carburetor mounted style 4 barrel Quadrajet carburetor. Part # ERSE540222. The heads are Edelbrock Performer . Specs: 410.6 ci, 9.789:1 final CR, includes top ring piston to cylinder wall gap otherwise it was 10.2:1 prior to final assembly. CAMSHAFT SPECIFICATIONS Part No. 403 77-79 All. Over Duration Lift Year Part # lap Int./Exh. . High lift, short duration dual pattern camshaft offers improved mid-range performance. This purchase is for a custom built restored Quadrajet with original code stamp listed in description. 348-409 Chevrolet Factory Performance Cams; Factory # Adv dur.050 dur: cam lift: Valve lift: lobe centers: lash: 3755946: 256/262: 222/245.230/.235.403/.412: 110 Try to find a set of 350 heads from 1973 or before. $308.95. How could this be so? my 77 Olds Cutlass has a 403 in it, and it came factory with 241 gears. oldsmobile Factory PerFormance cams Factory # adv dur .050 dur cam liFt valve liFt lobe centers lash descriPtion 409691 308/308 232/232 .296/.296 .474/.474 113 HYD 1ST W30, 350 W31 402569 328/328 244/244 .296/.296 .474/.474 110 HYD W30 1968-ON Pontiac Factory PerFormance cams Factory # adv dur .050 dur cam liFt valve liFt lobe centers lash . 471 @ 4000. . Came factory in All 66-67 W30. The leader in cylinder head manufacturing, Edelbrock brings this performance head to the Oldsmobile market place. Edelbrock Performer-Plus Camshaft Kit for Oldsmobile 400-425-455 V8. Stock 2638-DFW Engine Size 403 V8 Transmission 4 Speed Automatic Miles 77,537 (Unknown) Location Fort Worth. You are here: Home / Camshafts and Valvetrain / Camshafts / Oldsmobile Camshafts / Oldsmobile V8 39° 307-455 Hyd. 61029. . Rod Bearings. Set the timing to stock (20 degrees on every 307 I've seen). Find a pair of #5,6 or 7 small block Olds heads, put big valves in them, ream the head bolt holes to accept the 403's 1/2" head bolts, then do a little port matching and cleanup. Trans Am. #9778840 DC B105 (2). About Cam Olds Specs W31 . . Many great features include 356 T6 aluminum castings, complete compatibility with current cylinder head valve train, manifold and headers. 2152. Choke element was mounted on the side of the carb, and drew hot air from the intake. and early overhead-valve Oldsmobile and Cadillac V-8's were replaced by the powerful, compact Chevrolet 265-283 Nice flat torque curve from 3000-5500: 440 @ 3000. THIS CAM KIT WILL WORK WITH YOUR FACTORY ROCKERS AND SPRINGS .IT HAS THAT ICONIC W-31 LOPE SOUND . It has a basic operating range of 1600 to 5800 RPM with a 110-degree lobe separation angle. #556607 Oldsmobile 403 V8 Crank Shaft . exhaust, gearing, and a 4L80 transmission. Legendary Racing. The 1979 Pontiac Trans Am: 2 "Big Inch" engines were available, the 400 and the 403: The Oldsmobile 403's were hooked up to automatics. Some of his work is involved with VooDoo Cams. Trolls that rant like 10-year olds. 22inHg vacuum. The 403/auto combination was the most popular by far selling 94,773 units. The exception to this optional engine would come compliments of the state of California, along with high altitude areas, where Oldsmobile's 403 was substituted for the Pontiac 400. M4MC, This is hot air carburetor mounted style 4 barrel Quadrajet carburetor. 455 OLDS TO Lubrication Stock Olds oil systems cant cut it over rpm A 5B]hp engine a better oil pan as the 7-quart-with.filter Milodon used this a od pump, and instal- lation of oil,rostrictor p'ugs in the main-bear. even with a 350 SBC you would need different gears. $ 349.99 THIS IS AN OLDSMOBILE FACTORY W-30 REPLACEMENT CAMSHAFT AND LIFTERS . Part Number: 56262 Be the first to review this product Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 2-3 - Power Compu-Pro - These cams provide excellent low end and mid-range power and extended rpm range for spirited street and offroad driving. SHOP NOW. Although it reported 20 less horsepower than the Hurst/Olds, it featured forged connecting rods, aluminum pistons, and a balanced rotating assembly. . Engine block and cylinder heads were cast at Saginaw Metal Casting Operations then assembled at Tonawanda Engine before delivery to Pontiac Assembly for installation. Its no different than a Chevy, don't worry about initial timing at first, get a dial back timing light and set advance to 36 degrees at 2800 RPMs then see where the idle timing is but if you want to just set the timing mark to the top of the tab and drive to check for pinging and starting issues then move down the . Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! 5.0 out of 5 stars. Toll-Free Ordering: 877-322-4489 | Technical Support: 805-237-8808 25-30hp just the #7 stock headswap onto a stock .403. ISKY is a legend among racers worldwide. When you're in the middle of a big build, one of the more difficult things is finding a reliable source for information when you need it. Trans Ams came equipped with a standard 403-cu in rated for 185hp, but it was the more powerful Pontiac-built 220hp 400 option, mandating a four-speed manual, that . COMP Cams (46) Isky Racing Cams (14) Howards Cams, Hydraulic Flat Tappet Camshaft, Oldsmobile 39° V8, 227/233 @ .050, .512/.512 110 LS Oldsmobile 39° V8 260-455 1967-1990 Advertised Duration: 281/287 Int./Exh. . 1965 Pontiac GTO 389 Tripower Auto YR Code Block sold. Posted February 28, 2002. The basic pricing is for level 1 build which is perfect . 403 Oldsmobile V8 parts in-stock with same-day shipping. 1979 Olds 403 from a T/A Olds C heads (already been to the machine shop w/new valves, comp springs & guide plates), have to go back for drilling out the bolt holes to 1/2" and redrilling and tapping the rocker studs too. THIS CAMSHAFT AND LIFTERS WILL ALSO WORK IN A 330,350,403,400,425,455 .IT CAME STOCK IN YOUR W-30 455 MOTORS . oldsmobile Factory PerFormance cams Factory # adv dur .050 dur cam liFt valve liFt lobe centers lash descriPtion 409691 308/308 232/232 .296/.296 .474/.474 113 HYD 1ST W30, 350 W31 402569 328/328 244/244 .296/.296 .474/.474 110 HYD W30 1968-ON Pontiac Factory PerFormance cams Factory # adv dur .050 dur cam liFt valve liFt lobe centers lash . Oldsmobile. For Oldsmobile 307-403 c.i.d. In contrast, the Chevy 350 CID engine uses a bore of 4.00 inches and a stroke of 3.48 inches. MS. We stock a broad range of engine parts for passenger cars, small trucks, marine, diesel, industrial . Power Ratings. Timing Belt Drive Replacement Parts; Oldsmobile 400 425 455 & Pontiac 389 403 Billet Handle Engine Oil Dipstick.

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