TSP's PRC stage 2.5 CNC ported ls6 heads?
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TSP's PRC stage 2.5 CNC ported ls6 heads?
I see these on their website, but they don't have any flow numbers, dyno charts, or even any claims on power. Does anyone run these? Everyone I see on here seems to be running their stage 1's. How much of an improvement are the 2.5s over the 1s? Is it worth it, or go another $400 for the terminators? Thanks in advance!
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I just bought a set of 2.5 heads. They don't have flow #'s yet for these with the upgraded valves. The flow #'s for their stage 1 are on their website. I will post my flow sheet when I get the heads.
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Originally Posted by sdbrown84
What kind of gains did you see over stock?