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Old May 30, 2009 | 05:42 PM
  #38  
Karlos G's Avatar
Karlos G
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Joined: Jan 2007
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From: Suffolk
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Originally Posted by Marts
I now like these replies

With all you guys running high boost, was there any work done to your heads? Mines a standard head, so going by the first replies, I ain't gonna get to expect much.... But if you last lot running 18-20psi were on standard heads too, that'd make me smile even more!

Thanks for the help with this guys
Nothing wrong with a standard head but it is restrictive and that is why peek power is made at around 5500rpm, your 285T2 will help a little though.
Also you have to remeber that boost pressure is relative to the VE of your engine, if for example your running stock head, cam, and T3 you may make 200bhp @ 17psi, but if you then run a ported big valve head, a 285T2, and a Stage 3 T3 you may make 200bhp @ 10psi
The pistons will take a certain amount of power not a certain amount of boost
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