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Old 06-19-2009, 05:55 AM
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Default Coolant pushing through reservoir

It only happens when car is under boost. Motor has around 500 miles on it. Temp gauge stays normal and never goes up. I'm thinking its headgasket.

What do you guys think?
Old 06-19-2009, 06:00 AM
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Default Re: Coolant pushing through reservoir

headgasket or cracked sleeve
Old 06-19-2009, 06:04 AM
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Default Re: Coolant pushing through reservoir

headgasket since it happens under boost. Head is lifting just enough to introduce air in the system when you boost.

resurface the head and a new headgasket. make sure your arp head studs are even.
Old 06-19-2009, 07:20 AM
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Default Re: Coolant pushing through reservoir

Thats what I thought, just wanted to get other people's opinions. Thanks
Old 06-19-2009, 07:26 AM
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Default Re: Coolant pushing through reservoir

make sure you are tq'ing the arp's to 80ft/lbs. I think those are the new specs with moly lube.
Old 06-19-2009, 07:52 AM
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Default Re: Coolant pushing through reservoir

what they said, headgasket/ head lifting under boost... i had a similar issue which was doing the same thing.
Old 06-19-2009, 08:04 AM
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Default Re: Coolant pushing through reservoir

unlikely to be cracked sleeve if only observable during boost. Warped head? In either case what the rest of these guys said, new HG, Get head checked and re-tq. report back if problem persists.
Old 06-19-2009, 09:08 AM
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Default Re: Coolant pushing through reservoir

Cool, gonna take the head off and get it resurfaced. I didnt resurface the head last time I had it off so that could be the problem.

Get to put the rods and pistons in while I have the head off.
Old 06-19-2009, 10:28 AM
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Default Re: Coolant pushing through reservoir

i always resurface the head once taken off. just a habbit i guess. just resurface with new gasket/studs and your golden.
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