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Old 12-22-2002, 04:23 PM
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Post Buick 455

I have recently aquired a buick 455 and am looking for any info/opinions on it as I am not familliar with buicks. Anybody know of a site where i can check the numbers on to find out a year would also be helpful. Just trying to find out if it is worth rebuilding, if so it may be the next motor for my 47 international.

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Old 12-22-2002, 05:18 PM
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You got yourself a good engine there. Do you know what year of the car that the engine came
out of and what car? Well the 70-73 are the preferred engines but the 74-76 had a thicker
cylinder wall good for overboring but had open
chambered heads so the compression ratio was
7.5-8.5. The numbers are printed on the block
just above the #1 cylinder on the deckplane. Those are the best numbers to check. The 455
put out gobs of torque( factory rated at 510 ftlbs.) and were overall small. not too much bigger than a SBC and Weigh about the same. They
have 2 bolt main and very strong push rods. The bore is 4.31 and the stroke is 3.90. You can ask
the guys at V8buicks.com for info on your numbers it is a forum like this one for buick enthusiasts and TAperformance.com has performance parts for the 455. Good luck on your venture.
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