These “smog” motors are easily identified by the casting letter on the cylinder heads being a “J”. Olds 455's with “J” heads are not the best HP performing Olds .

43 posts - 23 authors - Last post: Aug 7, 2007I have heard that the casting C, Gm # 394 548 are the best stock heads to use on a 455. Is this true? If not then what are? Just want to make .

a Oldsmobile 455 Engine - Up To 625 hp . . The Camshaft - Since cylinder heads are the most important part of the engine, then we would have to say that the .

Results 1 - 40 of 1500 – Shop for 455 Olds. Price comparison, consumer reviews, and store ratings . A comprehensive review of factory blocks, cranks, heads, .

7 posts - 4 authors - Last post: Nov 10, 2008I bought an unknown quality 455 olds with C heads for $500 back about 15 yrs .

This month we'll showcase the buildup and test of a '72 455 Olds. In coming . We went with Edelbrock's Performer RPM Olds heads, which come complete and .

5 posts - 5 authors - Last post: Oct 5, 2006I would like to pick up a pair of 67-69 425-455 C Heads. The casting number is 394548. If you have another set of BBO heads that you would .

Nov 3, 2010 – I will be rebuilding the motor in my '69 early next year and I plan to use the Edelbrock Aluminum Heads to replace my Cast Iron "C" heads. .

Big-blocks displace 400, 425, or 455 cubic inches. . . While all Olds production heads have siamesed center exhaust ports with a recessed divider, the recess is .

Then you have the Earlier 350 Olds heads. . . the 403 small block obviously moves as much air as the 400/455 big block, why strangle it with small block heads? .

Summary of Olds 425/455 Engines. You wish: 0- Exotic heads: D, F, H, or maybe K. Block? Crank? If the price is right, who cares!? Best of the best: Toro/442 .

Celebrating 50 years as the largest Olds parts dealer in America . Engine: 1967 455 (featured on our Engines page) Heads: Edelbrock Aluminum Induction: .

CYLINDER HEADS - Oldsmobile. Performer RPM Olds. Designed for high- performance non-emission 1965-76 Olds 400, 425 and 455 c.i.d. V8s; Dual quench .

Edelbrock 60519 - Edelbrock Oldsmobile Performer RPM Heads. Designed for high-performance non-emission 1965-76 Oldsmobile 400, 425 and 455 .

Apr 10, 2000 – Oldsmobile FAQ Heads section. . G '71 455 80 409100 Generic 455 use, big valves in the usual applications. Ga '72 455 80 409100 W-30's, .

Apr 10, 2000 – According to my trusty Olds engine book, the 455 was available in 310 . To achieve this, use flat top pistons (butterfly cut), milling heads, and .

2 posts - 2 authors - Last post: Jun 6, 2010I would really appreciate it if somebody could help me in choosing the correct type of sparkplug for my application. I have imported some R44s .

Ported by Glenn Knowlton, our race version of these cylinder heads will outflow any 455 Oldsmobile head in the industry (455 to 465 cfm). Our special thanks to .

Fits Oldsmobile 260-455, Buick 350-455, Cadillac 400-500, Pontiac 326-455 .

10 posts - 10 authors - Last post: May 23, 2008I finally bought an Olds 455 to replace my Olds 350 (in a '70 Cutlass Supreme) sometime next winter. $425 for the engine and a Turbo 400 with .

Nov 10, 2007 – OLDS 455by 442CONVERTABLE481 views; Thumbnail 1:31. Add to. Oldsmobile 350 with 307 5a headsby Achtii3394 views. Loading more .

Oct 3, 2007 – 455 OLDS Heads. . Author Topic: 455 OLDS Heads (Read 481 times) . Re: 455 OLDS Heads. « Reply #1 on: October 02, 2007, 07:33:50 PM .

3 posts - 2 authors - Last post: Sep 10Hey all,,, im looking for a set of olds 455 cylinder heads with the code Ka on them,, just let me know, thanks dave,,(443)745-3790 .

30 posts - 9 authors - Last post: Apr 7, 2010This isn't what i heard or what i think, i have actually built a 477 cube and a 491 cube stroker 455 Olds w/ Aluminum heads for other folk and .

23 posts - 18 authors - Last post: Jul 5, 2007The Olds 455 is a good choice, although it is a bit of a compromise. . '71 and later heads were not so good, with lower compression and .

Oldsmobile 455 with 475 HP with Edelbrock aluminum heads. This engine combination can be custom designed to your specific needs. All engines can be .

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4 posts - 2 authorsI bought an unknown quality 455 olds with C heads for $500 back about 15 yrs ago or earlier. I asked the local olds performance/restoration shop (was an Olds .

W30 has 455 engine, Black plastic fender wells, Ga on heads, aluminum intake manifold with OLDS 455 in raised letters, 4 core radiator, Manual disc brakes .

May 20, 2011 – 455 Olds Edelbrock heads COMPLETE and running,A quick video at .

GARY & CLAY BARTON'S 9 second 1969 OLDS CUTLASS Normally aspirated 455 based motor with Rocket Racing heads, BOB KELSO'S 1980 9 second .

7 posts - 7 authors - Last post: Dec 12, 2003olds 455 build up just found this site and it seems to be the best forum on .

eBay: 455 olds heads. . Related Searches: 455 olds cylinder heads, 455 heads. Include description. To view this page properly, your Web browser needs to .

6 posts - 5 authors - Last post: Sep 2, 2009hi i just picked up what i think is a 1968-69 olds 455 with C heads.it was in a jet boat.it was red and.

2 posts - 2 authors - Last post: Apr 17, 2010455 olds heads. « on: April 05, 2010, 08:09:41 PM ». Will I broke two valves getting them out. They look rough probably would have to .

Sep 7, 2010 – Made some changes, new 850 quick fuel, new headers, air pan to seal up the cowl hood and tail pipes out the back again.

Can Oldsmobile 455 heads bolt onto an Oldsmobile 350 block? NO.. Is Pontiac 455 heads exchangeable with Oldsmobile 455? No, they are completely different .

Annealed Copper Header Gaskets for Olds 455. Soft Copper Exhaust Gaskets for Oldsmobile 455 V8 with stock iron cylinder heads. Gasket Thickness: .062" .

Oldsmobile Crate Engines . We have a large inventory of domestic cylinder heads, however most import cylinder . . OL455, OLDS 455 #686/783/100/021 .

12 posts - 8 authors - Last post: Jul 12, 2007can any body turn me on to a set of heads for a 71 455? I recently bought a 442 with 455 in it but the heads were the j variety and I want need a .

10+ items – This all aluminum intake manifold for the 400-425-455 Olds .

Olds Head Flow. . This lets you select the proper camshaft duration to match to the heads airflow and engine . Example: Same head as above on 455 engine. .

Edelbrock 60519 - Edelbrock Performer RPM Cylinder Heads: These Edelbrock . Assembled, 77cc Chamber, 188cc Intake Runner, Oldsmobile, 350-455 .

There are people that will tell you that the 455ci Oldsmobile Rocket motor . The narrow passages from the stock heads do not allow oil in the valvetrain to return .

Olds 350 455 Rocket ARP Cylinder Heads Bolts Kit 68-76. Returns: Accepted within 7 days. Get fast shipping and excellent service when you buy from eBay .

Oct 31, 2007 – Edelbrock RPM Olds 455 Head Porting. HeavyOlds . The scariest thing I ever did was port a set of new Edelbrock aluminum cylinder heads. .

We take a look at the monster Oldsmobile 455 Big Block engine that is going to . The Performer RPM Olds heads are a much-improved design compared with .

The first generation of Oldsmobile V8s ranges from 1949-1964. Each engine in this generation is quite similar with the same size block and heads. .

Heads Aluminum Edelbrock 60519 CNC Ported 400 - 455 Oldsmobile Edelbrock Performer RPM non emissions version cylinder heads. Will fit 350-403 by port .

hey man, i just got my hands on a 1970 olds 455. im dropping it into a 72 cutlass.. . . I think some aftermarket heads for SB's had ports nearly the size of BB,s etc. .

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