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Old Aug 30, 2007 | 04:08 PM
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OK I just got a LS6 intake from a friend. I have a G5X4 and bolt on's and stock heads. Its a 99 coupe. Would it be worth porting it. I heard theres a lot of gains if you port it, but me having stock heads Im not sure I would benefit from it. Let me know! Thanks!
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Old Aug 30, 2007 | 04:16 PM
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Originally Posted by happa
OK I just got a LS6 intake from a friend. I have a G5X4 and bolt on's and stock heads. Its a 99 coupe. Would it be worth porting it. I heard theres a lot of gains if you port it, but me having stock heads Im not sure I would benefit from it. Let me know! Thanks!
I don't believe there is enough material in a stock LS6 intake to do much porting. The runners are pretty thin to begin with.

Try doing a search to see if there are any threads about porting a stock intake.
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Old Aug 30, 2007 | 05:13 PM
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Tony Mamo ports (successfully) just about everything. However, with your STOCK 1999 heads, the LS6 intake is most likely not the restriction. Yes, eventually you'll need a better intake/tb/maf to support your cam....but the real restriction on that will be your heads. Most good tuners will recommend a set of ported 243's (cheaper option) or some AFR's or other similar aftermarket casting heads. Before you go messing with your intake, look into the big restrictions. JMO.
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Old Aug 30, 2007 | 08:05 PM
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Originally Posted by Billdog350
Tony Mamo ports (successfully) just about everything. However, with your STOCK 1999 heads, the LS6 intake is most likely not the restriction. Yes, eventually you'll need a better intake/tb/maf to support your cam....but the real restriction on that will be your heads. Most good tuners will recommend a set of ported 243's (cheaper option) or some AFR's or other similar aftermarket casting heads. Before you go messing with your intake, look into the big restrictions. JMO.
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Old Aug 31, 2007 | 04:45 PM
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cool! Thanks ya'll. I figure that was my biggest restriction. Im getting the LS6 intake for free so I cant complain, but the future is bigger intake, TB, and Heads.

I did a search and found that a guy in California does some porting on the LS6 but I figure when I buy heads I'll an intake too.
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