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 Post subject: A new head gasket? How?
PostPosted: Wed May 06, 2009 6:33 am 
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So mechanic guy said we have a blown head gasket, and buddy says the head probably is'nt warped, and having it machined is'nt really in the budget, so Couldnt we just replace the gasket?
At least until lol, something else goes wrong?

And when/ if we do, what sort of sealant do we use?

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PostPosted: Wed May 06, 2009 7:32 am 
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Unless you really like changing head gaskets you need to resurface the head regardless of what the machinist says then run a few heat cycles then re torque the head and it should last along time oh and put the gasket on dry.

If you keep blowing head gasket then check the block for warpage.

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PostPosted: Wed May 06, 2009 6:18 pm 
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A new head gasket with a fresh machined head will require NO SEALANT. again, a re-torque is a must.

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PostPosted: Wed May 06, 2009 7:07 pm 
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Which reminds me.... I need to re torque mine. 8O :oops:

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PostPosted: Thu May 07, 2009 1:00 pm 
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Not hi-jacking but...How many miles to you guys recommend the re-torque? I just got my gasket set and getting ready to do mine. Then I can hopefully Drive it for the First time :D


DB


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PostPosted: Thu May 07, 2009 1:09 pm 
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lil_redd_again wrote:
So mechanic guy said we have a blown head gasket, and buddy says the head probably is'nt warped, and having it machined is'nt really in the budget, so Couldnt we just replace the gasket?
At least until lol, something else goes wrong?

And when/ if we do, what sort of sealant do we use?


how did he determine its blown. if its not making white smoke, got milkshake or bubbles in the overflow can then it could be something else. have you done a compression test? have you tried pressurising the water jacket?

A.j.

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PostPosted: Fri May 08, 2009 5:27 am 
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Ok, no I havnt done those ^^ but refer to thread viewtopic.php?f=5&t=18723
I like Tjs responces :p
Im wondering about how much shops usually charge to resurface a head
And how does one go about pressuring the water jackets?

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PostPosted: Fri May 08, 2009 5:40 am 
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Around here it's $15.00 to $25.00 to surface the head.

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PostPosted: Fri May 08, 2009 1:51 pm 
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O really? Nice, I was thinking it'd be like $200 or some shit. Said mechanic dude said it would be like a $1000 job to pull the head and machine it and put a new gasket and all that jazz, pardon my language but Fck that!

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PostPosted: Fri May 08, 2009 2:04 pm 
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As far as re-torquing head bolts goes, am I right in thinking that 76-later motors you can just remove the valve cover to get to all the bolts, but 72-75 you have to remove the cam carrier as well as the valve cover which requires disconnecting the timing chain, and a lot more work? This is what it looks like to me, have always wanted to make sure mine are torqued up, but there are some bolts I can't seem to get to. :esad


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