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need advice on ptv clearance

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Old 05-18-2008, 10:50 AM
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Default need advice on ptv clearance

i am doing my heads and cam this weekend and needing advice on ptv clearance, the heads are etp 215's, the cam is a comp grind 231/253,621/615@111+4, i heard the etp's are good for ptv because of the of the valve angle, but wanted some advice on it. thanks, and not sure what the mill is but i know the cr is 11.5:1

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Old 05-18-2008, 12:31 PM
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Ok on intake, measure exhaust, hot dang this is a biiig exhaust split,are you sure there is no typo?
Old 05-18-2008, 03:58 PM
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sorry my misprint, its a 231/235,621/615,111+4 cam
Old 05-18-2008, 05:44 PM
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Originally Posted by 07gsxr750
sorry my misprint, its a 231/235,621/615,111+4 cam
You will be more than fine...thanks ETP and the 11*rolled valve angle!!!

With more duration and less volume plus a tighter quench my engine is around 0,100 both side, more than fine for revving to 7500rpm.

Christian
Old 05-18-2008, 06:00 PM
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nice numbers with that setup, i cant wait.
Old 05-18-2008, 06:06 PM
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Originally Posted by 07gsxr750
thanks, what kind of numbers did you put down with that setup
346ci NA stock short block on pump gaz easy daily driver...511rwhp and 455rwtq:



Christian




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