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Old 08-19-2010, 12:54 PM
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Olds 455 parts list

Hey everyone, I am sure some of you might have seen me on here posting about building a 403 for my '81 trans am. Well the other day in a quest to find parts for my 403, I came across a 455 for $250. I might pick it up depending on what you guys say, and what parts I can find. The issue with the 455 is that it had its crank turned, but now its spun a bearing and needs to be turned again. The guy doesn't really think I would be able to turn it again but no big deal. This weekend, Saturday really, I will be heading to the national Oldsmobile club of Canada's car show and part swap. I am sure I will be able to pick up pretty much anything there so I am not too worried. I will keep my eyes open for a better deal on the 455, but the problem is that I don't have a means of getting it home, so I would have to pay extra if they are even willing to deliver.

Anyways, the deal on the 455 is that its a '76 block with the stock smog J heads. Although I have heard mixed feelings on the J heads and being able to work them to flow as well at the rest, I just wanna put this engine together and run with minimal pain in the ***. Later on down the road when I have the cash, I will build much more pretty engine.

So what I want to know is what should I keep an eye out for at the part swap, I will only have $300 after the engine to play with. I might be able to get a deal on the engine and a set of "GA" heads the guy has, but I cant say for sure.

I know while I am there I should keep an eye out for any early heads like the E, C, GA and any others I can find. But what should I be looking for in a intake? Anything else I should look for?

As the T/A stands, it has a 3:73 posi and because of cash issues, I will prob stick with the TH350 I have until I can upgrade to a Muncie. But I know I will have to get the crank machined for the pilot bearing and all that. I don't have any power goals, but I do want to hit 12's in the 1/4 and still be able to drive to work and school everyday.

Thanks allot everyone,


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Old 08-21-2010, 11:25 AM
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Any or the early heads, C,E,G,Ga, or J will work. The J's just need some bowl and valve work to be equal to the other 4. The 455 with a spun bearing is not worth $250 unless it comes with an assortment of good reusable parts. Eagle sells new 455 cranks, but you should have no problem finding a usable factory crank. If youre willing to spend money on aftermarket rods, the factory crank can be cut down to BBC or SBC journal size.
Since your looking for a crusier, look for a good dual plane intake, like an Edelbrock O4B or Performer, they will help build good low end torque(like 500lbs worth)

As far as the 4 speed, that 76 block may not have the boss for the pivot ball on the drivers side of the block, remember to look. There is a special combo pilot bearing the will work in the stock auto crank to allow the use of a 4 speed. Some minor mods to the input shaft will be neccessary. A good alternative is a beefed up 2004r automatic.
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