Thread: vortec heads on my boat?
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09-10-2005 01:17 PM #2
they will lower the compression, stock compression on a 305 is normally 9.5:1, you'd drop to 8:1 approx. get another set of 305 heads.You don't know what you've got til it's gone
Matt's 1951 Chevy Fleetline- Driver
1967 Ford Falcon- Sold
1930's styled hand built ratrod project
1974 Volkswagen Super Beetle Wolfsburg Edition- sold





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