SLP bare CNC PNP LS1 heads
12-17-2008, 08:57 AM
#32
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yeah its perfectly fine. one is sand cast and the other is a diffrent mold. essentially its the same head. but because its a diff mold, theres general shifts / small differences that made the CNC program not hit some areas of the 853 head as witnessed in the pics. the bolt pattern. general CC port size etcc the same
12-21-2008, 02:47 PM
#34
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for those interested, with the porting done on them,they should flow IDENTICAL numbers between the two heads. Literally the same head after work, just different numbers ON the heads. Good deal here!
