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Author Topic:   engine vaccum question
Dirt Freak

Total posts: 305
posted November 29, 2005 06:33 PM  
If you have a small block chevy,all things being the same.will changing the cylinder heads from a 64cc to a 72cc have any effect on vac?

Dirt Freak

Total posts: 214
posted November 29, 2005 07:00 PM  

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