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08-02-2008, 07:16 AM
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#1 |
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Registered User
Join Date: Mar 2008
Posts: 18
Location: User is: OffLine  |
317 casting heads
Did the 317 heads come on the 6.0 liters, and/ or would they be a good casting head for the stock LS1?
or would the Cnc'ed 243's be better? thanks for everyone's advice! |
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08-02-2008, 10:46 AM
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#2 |
Age: 30
Join Date: May 2004
Posts: 3,248
Location: Mississippi User is: OffLine |
Re: 317 casting heads
#317s came on 6.0L trucks. They are said to have the good LS6 (210cc) intake runner and "D" port exhaust. Basically a copy of the #243 head but with a bigger combustion chamber.
So putting #317s on an LS1 would drop your compression ratio. CNCd #243s are a way better choice, but obviously more expencive. |
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