370ci Iron Block Guys - What Head Gaskets Did You Use?
07-23-2004, 06:28 PM
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I'd run the graphites with the o-ring... You are actually metal to metal with the fire ring on the gasket with the o-ring .. They seal alot better at the coolant and oil passages...
If you are trying to bolster a non o-ring head and block the MLS are great provided both surfaces are flat and straight. They are'nt needed with o-rings as the o-rings press on the fire ring of a graphite. I have seen engines run 30+ psi with o-rings, factory gaskets and ARP studs.
If you are trying to bolster a non o-ring head and block the MLS are great provided both surfaces are flat and straight. They are'nt needed with o-rings as the o-rings press on the fire ring of a graphite. I have seen engines run 30+ psi with o-rings, factory gaskets and ARP studs.
