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prc ls7 tsp heads?

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Old 09-18-2012, 04:52 PM
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Default prc ls7 tsp heads?
does anyone have the tsp prc ls7 heads 285cc on a big cubed lsx block? and what kind of hp did they put down if you did? thinking about puting them on my 454 build on a 99ta.
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Old 09-19-2012, 09:12 PM
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Ya used them on my erl/hke 454 in my gto. Made 604 rwhp on e85.
Specs are:
fast 102
102 tb
12.2 comp
247/263 .688 lift on a 113+3
kooks 1 7/8 and 3inch exhaust
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Old 09-20-2012, 12:11 AM
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I used the 265 heads and made 602 on my ls3 429 through a 4l80 and irs (e85)

13.7:1, Mamofied 102, 251/259 .670 lift 113+3
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Old 09-21-2012, 01:17 PM
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I have the PRC 285CC heads on my 429ci LSX block. Haven't dynoed but should be in the mid 800rwhp as is with a Ysi @ 9-10psi.
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