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I was wondering how much my bottom end can handle before i need to start to worry. How much psi and/or horsepower can it take. (D16Y7 block and D16Z6 head) I know it should handle 8 psi no problem but how high could i go on stock internals.
 

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heh, its truely alll in the tuning.

here is a link where they have been putting down 315whp and running 11s.... they retuned it to 375whp. ANND during a boost spike they layed down 420whp on stock Z6 with ARP head studs...

I am putting over 220down at the moment on a stock Z6. A friend of mine has been running 15psi and running 12.2s at the track for over a year. stock z6.

http://forums.evans-tuning.com/viewtopic.php?t=3788&highlight=375whp

yes go ahead and nut as i just did, again... :p
 

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You should start to worry if you start running lean. A good tune can take you very far. Wide-band,dyno, egt. Do not take short cuts you will get lost.(and broke)
 
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