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At what point (PSI) do i need head studs??

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Old 08-23-2012, 02:36 PM
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Default At what point (PSI) do i need head studs??
putting a supercharger on soon and wanted to know if I need to be installing studs or if arp bolts would be good enough? I probably only going to run around 6-8psi boost, its a Centrifugal-type supercharger on a cammed LS2
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Old 08-23-2012, 02:39 PM
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I would say when you get to the double digits on boost, a buddys vett seen 12psi with no problem but that would be far as I would push it
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Old 08-23-2012, 03:06 PM
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Timing plays a huge role in your cylinder pressures.

15psi @ 10* = no studs
15psi @ 20* = lifting heads on TTY's

This is just an example - everybody's combo will be completely different.
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Old 08-23-2012, 03:06 PM
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With 6-8psi you would likely be fine on stock head bolts.
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Old 08-23-2012, 11:26 PM
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Ike everyone saying depends on the combo. I ran #16 on a stock lq4 long block including tty bolts on 13° no problems.its all in the tune
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Old 08-23-2012, 11:59 PM
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id focus more on the tune and compression.
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Old 08-24-2012, 03:26 AM
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curious...

what about ARP bolts?

would the same numbers apply to them, even being a stronger than factory bolt?
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Old 08-24-2012, 04:08 AM
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Originally Posted by tunedportcj5
Timing plays a huge role in your cylinder pressures.

15psi @ 10* = no studs
15psi @ 20* = lifting heads on TTY's

This is just an example - everybody's combo will be completely different.
^^^^This.
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