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Old Apr 13, 2017 | 05:36 PM
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St. Jude Donor '09-'12
Default Heads..........

On a LS1, vette....What heads (OEM) work better than stock an why?
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Old Apr 13, 2017 | 07:36 PM
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Ported 243s. Better flowing....there's tons of info on this. Just use the search function

Last edited by 96darkhorse; Apr 13, 2017 at 07:36 PM.
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Old Apr 14, 2017 | 09:27 AM
  #3  
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jbclutch
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St. Jude Donor '09-'12
Default heads..

Originally Posted by 96darkhorse
Ported 243s. Better flowing....there's tons of info on this. Just use the search function
Are the Z06 heads better? If so why? Want to put better heads on when we do the Cam...
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Old Apr 14, 2017 | 11:21 AM
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The 243s are the C5 Z06 heads. They're the best OEMs that fit LS1/2/6.
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Old Apr 14, 2017 | 01:29 PM
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There's two 243 heads that I know of. One is from a Z, and has sodium hollow exhaust valves, and the ones from LS2s don't. Depending on your budget, I recommend either as cast Trickflow 220s, or CNC'd 215s.
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