C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
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Old Oct 21, 2007 | 03:35 PM
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From: Lebanon Illinois
Default Heads

Can the stock heads be ported and polished to perfourm as good as aftermarket?
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Old Oct 21, 2007 | 04:47 PM
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They can but for the money you can buy some ls6 heads and be that much futher. PP LS1 heads will flow a little better than stock ls6 heads, but if you PP the LS6 heads they will flow very well, you would be happier than you would be with PP LS1 heads. Good Luck! just my $.02
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