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Which heads for boosted engine?

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Old Jul 18, 2007 | 02:24 PM
  #21  
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Originally Posted by cablebandit
-32cc wisecos. I love the Wisecos..Brian Nutter is the MAN and knows pistons inside and out
thats what i got except mine are now about -34cc because of fly cutting
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Old Jul 18, 2007 | 02:27 PM
  #22  
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Originally Posted by KWIKKAR
Should one go with 72cc heads or 66cc heads or Ls6 heads. i was reading in another post that if you dont run atleast 14psi + 72cc is over kill. Is that true????

I plan on only being around 600rwhp maybe 700 in the far future.
Stock Ls1 for me.
For stock motor, go with 72cc heads to get compression down to around 9.5.

Be aware that limit of stock pistons is around 550RWHP.
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Old Jul 18, 2007 | 10:08 PM
  #23  
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Originally Posted by KWIKKAR
Should one go with 72cc heads or 66cc heads or Ls6 heads. i was reading in another post that if you dont run atleast 14psi + 72cc is over kill. Is that true????

I plan on only being around 600rwhp maybe 700 in the far future.
Stock Ls1 for me.

I've seen enough procharged C6 Corvettes with 10.9:1 run 8-10 psi with Alky & safe tune dyno 625-650rwhp to make me believe that 10:1-10.5:1 is safe & will give increased throttle response & power for less than 12 psi of boost on LS engines. My car dynos 668/592 at the wheels: 9.4psi, 11.4 afr, 14* at 6400 rpm. AFR 205's with 67cc
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