1 : 1: Cam: Solid Crower … Mar 13, 2010. jetboatperformance said: On average 455 Olds cranks around 125 to 140 (guages vary) , look for even compression, … You're correct that the block stamping is from a 1970 Lansing-built car. Could have been a 442 or a Vista Cruiser, or a full size - there's not eno... Hello, I have a 455 Olds engine that I am trying to decode. new pair of southwest speed long tube headers,400-455,triple process chrome plated,compatible with 1965-1975 oldsmobile f85,442,cutlass,cutlass salon,delta 88,vista cruiser $459 I have a … Search: 455 Heads. These pistons are … … The compression ratio in my 455 comes in at a mind blowing 9.25:1 and it has the Engle/Mondello 25-28 cam. To … It's got 1969 high compression pistons, big valve C heads that have been port. Putting 350 heads on a 455 could jack the compression ratio up around 2 full points. was 10.5:1). 0 should only be used for claims with a date of service on or before September 30, 2015 1970 455 HO Heads #64 1970 455 HO Heads #64 Aluminum Heads for Olds 455 … The 455 is a very forgiving and long-lasting engine. 455 Oldsmobile Fuel injected “Stump Puller” ... With the 80cc combustion chamber and dished forged pistons the static compression ratio is 9.25/1 which works well with 91 octane pump gas. That is the only way to know. Been 11.34/116 mph in a 3640 lb. Compression in this motor will be 9.7 to 1 and is achieved using a forged “Icon” brand dished piston which is the manufacturer of Silvolite and Keith Black brands of pistons. I had to shave my C heads twice to get them to the cc … This car is a definite head turner Pontiac Heads 389 and 455 - $12,345 (Cody) make / manufacturer: Pontiac model name / number: Head 1st photo places where codes are usually … … <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Any thing else I need to look... Nov 21, 2013 #2. To eek out more HP you can go with higher compression, which will prevent pump gas usage (highest stock 455 comp. Butler Performance has engine combinations from 350-600+ cubic inches that can be used for street, street-strip, bracket racing, heads-up racing, circle track, truck pulling, … This piston set includes 8 wrist pins and 8 forged .040 over pistons. Jump to Latest Follow ... Olds was uncommonly optimistic in what they claimed for compression ratio. This piston set includes 8 wrist pins and 8 forged .030 over pistons. Thanks...the engine was supposedly in a 69' 442 before it ended up in this 72 GS 455 (which I am currently building a Buick 455 Stage II engine for... Four critical design changes to make the ultimate 455 Oldsmobile piston. Search: Olds 455 C Heads. Four critical design changes to make the ultimate 455 Oldsmobile piston. Oldsmobile factory-production big-block cylinder heads are identified by a letter cast into the front lower portion of the head on the number-1 and number-8 cylinders. 70 olds 455 question. The … Compression ratio with factory cylinder heads … Gas mileage & torque would increase, but you'd have … The olds 455 are good motors, torque monsters by any means. The ARP head bolt part number is 190-3605 Not restored, clearcoated to reduce any more patina Post Oct 30, 2018 #1 2018-10-30T20:34 455 C heads This brass could be also … HIGH PERFROMANCE HEAD GASKET .038 THICK OLDSMOBILE V-8 330-455EA WORKS WITH UP TP 12:1 COMPRESSION AND 13:1 WITH … Our Pontiac heads utilize standard Ram Air Iv head bolts or studs Hello, I have a 455 Olds engine that I am trying to decode In 1970 Pontiac increased the displacement in an attempt to make up … These steel plugs are furnished with each Torker 455 manifold and must be installed in the exhaust crossover port in each head Ford Sport Compact; … 2013-11-21T17:19. The oldest castings (used on … Valves commonly 2.000" and 1.625", but Toronado and 442 [except Turnpike Cruiser] heads had the … Oldsmobile “C” heads; 1969 block with forged nodular iron crankshaft; Decked block 0.015″ (higher compression and better quench) Flattop Mondello (Eagle) 0.060″ over … After '72 they are mediocre for horsepower, but still make over 400 ft/lbs. 95: 69 Hurst Olds All From the Olds head site: C 394548 80cc 2 To meet Federal Emissions Standards, most 1973 … HIGH PERFORMANCE OLDS .038 THICK 330-455. The heads have a large "C" underneath the front of the drivers side valve cover as well as the stamped number of "894 … Car Craft did an article on the Olds 455 using these heads, a Torker intake, 750 demon carb, comp cams XE274H camshaft and hooker headers ... 9. Compression ratio with factory cylinder heads … 67-69 400/425/455's [except W-30 and most Hurst/Olds], including 1968 H/O with A/C. Mar 8, 2004. For 1971 Oldsmobile no longer offered the sport coupe body-style, leaving only a coupe or convertible to select from A forced air induction package was provided … Search: Olds 455 C Heads.

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