Thread: Sold 1970 Oldsmobile W-31 Canadian delivered car
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Old 05-01-2019, 10:26 PM
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Ryan1969Chevelle Ryan1969Chevelle is offline
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Quote:
Originally Posted by WILMASBOYL78 View Post
The 70 version had a 10.5 to 1 compression ratio...a slight bump form 69.

https://www.hemmings.com/blog/articl...-cutlass-w-31/


-wilma
I think that is incorrect.

As far as I know 68-69-70 all were advertised at 10.5 to 1

Ryan W31
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