Trans Am Information > Aftermarket Questions

someone swapped the 403 6.6 what do I do?!

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81BlackTA:
That motor is worth a lot of money. They are very hard to findand are way better than the 403, althoughthe 403 can make decent power if you have a bunch of money. Check out this link on the 403 from the Mondello brothers.

http://www.mondellotwister.com/Art403Olds.htm

81BlackTA:
Oops, I noticed you directed that question at Tin...sorry to butt in but got excited when I read that it was a 69 engine.

silver79:
where could I find out the specs on the 350?
I had never really heard anything about it until now and I would really like to learn more about it!
does anyone know of any good web sites devoted to the rocket 350?

Tin Indians Rule:

--- Quote from: "silver79" ---I am not sure of the year on the 350 but I know it has like less than 100 miles on it as a matter of fact, the tranny needs to be rebuilt and the car isnt road worthy yet so it probably has 0 miles on it. I think the heads are "C" heads but I dont know much about the 350. I have a 403 in a 79 formula that I bought at the same time for parts. The 403 is painted green though so it is questionable if it runs or not! I could probably rebuild it while I am runnin the 350, that is if the 403 isnt too far gone.
--- End quote ---

"C" heads are some of the best heads thats Olds made. They are 425 Big Block heads and they flow like crazy. Grab the casting numbers off them and the casting number off the block. I'd be curious to know if that is a 69 425 or 455. Hang on to it for sure until you know what you've got. Can you tell the difference between a BB and SB Olds engine?

Tin Indians Rule:

--- Quote from: "silver79" ---where could I find out the specs on the 350?
I had never really heard anything about it until now and I would really like to learn more about it!
does anyone know of any good web sites devoted to the rocket 350?
--- End quote ---

Get those casting numbers and we'll go from there!!

Mondello, Dick Miller Racing and my old work place Cheatwoods Machine Shop all carry the Hi-Po Olds stuff. I've got some "C"  and "F" heads as well as a tunnel ram for BB Olds. Let me know about those casting numbers.

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