Quote:
Originally Posted by Bob Shaw
I was thinkin the 265 hp engine.
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According to the Class Racer Info site, the 2 engines have different heads.
http://www.classracerinfo.com/Engine...5&MAKE=Pontiac
The 265hp engine is allowed 90cc heads. The 290hp engine is allowed 68cc heads. That's a lot of compression difference. Also, the 290hp engine is allowed a cam with more intake lift. Not sure how much power difference those 2 items would make. Would the difference be 25hp ?
Anybody have an educated guess ?
