Max boost for stock head gasket and arp2000 (425's)
What's the max boost can a stock head gasket hold with arp 425 head studs? And is there a better head gasket out there without using fire ring or o rings?
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There really is no magical number. I would only use a Genuine Cummins Gasket.
Luke |
So with the mods in my sig do you think it would be ok to put the cummins head gasket back in without o rings
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not with the compounds. you are running risky. def limit boost from the big charger maybe 50-60psi total. i personally wouldn't push much harder than that.
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It was set on 60 but going to set it at 50 when the head work is finished tomorrow.
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is it a ported head? if so it will flow better and i would run a bit more boost.
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What does ported mean? The head is being resurfaced and cleaned tomorrow if that is what you mean.
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LOL... that is not what i mean. 50-60 and a good tight seal should last you a good while. if you drive it sensibly.
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I know I'm stupid mechanically speaking. What does ported mean?
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A ported head will flow more and make more power at lower boost because it is moving more air. This is assuming you have the ful o make more power. Boost alone does NOT make power if it isn't at the smoke point.
I ran 55 lbs boost with my 02 and compounds with stock gasket and over torqued stock head bolts. |
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