gmht test- ms4 and ms4 stage1 dyno
11-01-2006, 04:02 PM
#41
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Originally Posted by bjamick
Ok well im wanting to stay with the stock ls1 heads on my car.. (dont want to spend the 2g's to buy ls6 style) but im wondering if i take them to a machine shop to get them ported and polished to produce bigger flow numbers. will i have a PTV clearance prob then? this is with the MS4 BTW.
02-12-2007, 01:00 AM
#43
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Originally Posted by PREDATOR-Z
10rwhp is worth .1 sec in the 1/4
