ok well then what is a good aftermarket head and it is going to be boosted to about 10 #s so I'm not sure if that makes a difference
ok well then what is a good aftermarket head and it is going to be boosted to about 10 #s so I'm not sure if that makes a difference
Junkyard 5.3 milled heads 200 shot, built 4l80e with circle D 4000 multi disc converter
EPS cam 23x/23x 600/603 112lsa
KP 6 link bagged with Accuair E-Level
http://www.nitrousexpress.com/
Call Gunnar over at Patriot and see what he has to offer you. For the price you can't go wrong and he uses original GM castings. Here's their LQ9 heads:
https://www.patriot-performance.com/...ome.php?cat=35
97 GMC, 2002 LS6.
1991 GMC Syclone #1428
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