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Forced Induction Superchargers | Turbochargers | Intercoolers

...anybody using stock head bolts with boost?

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Old Feb 14, 2011 | 08:22 PM
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Default ...anybody using stock head bolts with boost?
Gotta lq4 and was wondering the limit of the stock head bolts. I'm looking to make around 600rwhp. I hate to pay $170 for bolts if it isnt necessary
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Old Feb 14, 2011 | 08:36 PM
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My LS2 is running around 530 RWHP. Its a stock LS2 with 6PSI of boost
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Old Feb 14, 2011 | 10:31 PM
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https://ls1tech.com/forums/forced-in...-only-gto.html
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Old Feb 15, 2011 | 07:16 AM
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completly stock ls2 4l80e single turbo gt40 7psi 500rwhp 550rwtq
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Old Feb 15, 2011 | 07:30 AM
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If the engine is together and staying together then leave them be up untill 600 rwhp or so(alot of factors) but if you have to buy new bolts anyways because the factory ones can not be re-used then get some kind of aftermarket bolt or stud in there.
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Old Feb 15, 2011 | 07:38 AM
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Should be no problem, mine is an LQ4 and makes a little over 600whp with stock head bolts, stock gaskets and 317s, others have done it too.
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Old Feb 15, 2011 | 07:38 AM
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I've been running 9 psi with stock bolts for close to 2 years. Cam going in soon though and will switch to ARP bolts at that time.
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Old Feb 15, 2011 | 08:29 AM
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2 different 5.3's and 1 - 6.0 all with stock bolts. The 5.3's reused the stock bolts. one is 15psi and the other was 15psi + 50hp N20. And one peice head gaskets. Never a single problem in 3 years.
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Just for fun figured Id throw this out. Weve made @1200hp on stock head bolts and gaskets
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