help needed tuning blown 355

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shaun001
Posts: 4
Joined: Mon Jan 07, 2013 9:43 pm
cars: vt clubsport

help needed tuning blown 355

Post by shaun001 »

hi guys just, after your opinion on how much power my combo should be making it is an auto vt clubsport blown 355 stroker, mild cam,srp pistons, stock heads,dfilipo headers 200cpi cats twin 3 inch exhaust,intercooled vortech s trim@14 psi on the dyno it is only making 390rwhp and pinging it has 10 to 11 degrees in it and afr s are pretty good would be very gratefull for any help.
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Holden202T
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Re: help needed tuning blown 355

Post by Holden202T »

what compression has the motor got ?
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shaun001
Posts: 4
Joined: Mon Jan 07, 2013 9:43 pm
cars: vt clubsport

Re: help needed tuning blown 355

Post by shaun001 »

between 8.5 to 9 pistons are srp with small dish
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Holden202T
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Joined: Sat Feb 28, 2009 9:05 pm
Location: Tenambit, NSW
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Re: help needed tuning blown 355

Post by Holden202T »

compression maybe slightly high for what your trying to do ... i'm not really sure though, i guess if its pinging back the timing off and see what it doeS ?
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