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Re: gm crate engine question
From everything I've read in the past, the 250hp engine is a well-tuned combination, and then the 290hp is a "too big of a cam for that motor" version of it. So most people tend to prefer the 250hp of it.
Never owned either, but it's come up a number of times in the past.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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