LS6 heads VS. LS1 heads
08-27-2002, 01:54 PM
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LS6 heads VS. LS1 heads Are LS6 heads really that much better than LS1 heads? How much hp do they have over LS1 heads? If I were to buy LS6 heads, then port them, would this be a good alternative than buying a set of stage II heads? Thanks.
08-27-2002, 02:08 PM
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Re: LS6 heads VS. LS1 heads Its not really worth the money to get them, unless you want the MAX hp out of a h/c setup. Its usally a 10 to 15 hp difference,i think.
But they are worth the cash when you go to a bigger CID.
But they are worth the cash when you go to a bigger CID.
08-27-2002, 04:44 PM
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08-30-2002, 10:33 AM
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Re: LS6 heads VS. LS1 heads These are the flow numbers on the LS6 head - from the SPDC2000 web site on the factory ported GM LS6 heads....
They list for 1,ooo per head. The way I look at it, it is a bargin since with ported LS1 heads you need to surrender the cores from your car. With these there is no core charge and the price is about the same or less than LS1 ported heads.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXx
Best buy on the planet! Unbelievable performance from fully CNC ported cylinder heads. Some of the best low and mid-lift numbers we have ever seen from a stock size valve. These heads will flow over 200cfm at 0.300" lift and 290+ at 0.500". Fully assembled with the 2002 Z06 light-weight valves and the new '02 valve springs. These heads have been milled 0.055" to bring the combustion chambers back down to approximately 60cc. Care must taken to check pushrod length and proper intake installation when using these cylinder heads. Price is for each cylinder head.
Old part number 12480176
They list for 1,ooo per head. The way I look at it, it is a bargin since with ported LS1 heads you need to surrender the cores from your car. With these there is no core charge and the price is about the same or less than LS1 ported heads.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXx
Best buy on the planet! Unbelievable performance from fully CNC ported cylinder heads. Some of the best low and mid-lift numbers we have ever seen from a stock size valve. These heads will flow over 200cfm at 0.300" lift and 290+ at 0.500". Fully assembled with the 2002 Z06 light-weight valves and the new '02 valve springs. These heads have been milled 0.055" to bring the combustion chambers back down to approximately 60cc. Care must taken to check pushrod length and proper intake installation when using these cylinder heads. Price is for each cylinder head.
Old part number 12480176