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blowing head gasket on a closed deck block

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Old 02-28-2006, 12:39 AM
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Default blowing head gasket on a closed deck block

i have a 1st gen ge closed deck block and i keep on blowing head gasket left and right.. My bore size is 84.5. Is this normal or could there be something else wrong?
Old 02-28-2006, 02:04 AM
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Default Re: blowing head gasket on a closed deck block (loserface)

Have you machined the head flat after you blew the first gasket?
Old 02-28-2006, 06:46 AM
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Default Re: blowing head gasket on a closed deck block (Flashmn)

yeah, sounds like either the head is warped or the deck surface is warped.
Old 02-28-2006, 07:51 AM
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Default Re: blowing head gasket on a closed deck block (stackz)

Some shops do a good job lapping the block (deck surface) Check the head also. They should have a polished look verses machining tool cutting marks.
Old 02-28-2006, 06:18 PM
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Default Re: blowing head gasket on a closed deck block (purpleh22)

No i didn't do that yet.. i thought it blew because the bore size was to big and the closed deck had something to do with it... i was thinkin the closed deck make the block to hot so it burns the head gasket..so resurface the block and mill the head? ill try that
Old 02-28-2006, 06:31 PM
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Default Re: blowing head gasket on a closed deck block (loserface)

Check it with a straight edge first:

http://www.goodson.com/store/t...=4308

There's no sense milling anything if it's not warped. If you take the head to a machine shop, then they should show you how to use a straight edge to check for warpage, it's pretty easy.
Old 03-01-2006, 06:25 PM
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Default Re: blowing head gasket on a closed deck block (rmcdaniels)

thanks.. think it could be anything else?
Old 03-01-2006, 06:43 PM
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Default Re: blowing head gasket on a closed deck block (loserface)

Detonation?
Old 03-01-2006, 08:09 PM
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Default

Can we have more info on the setup?
Old 03-02-2006, 03:18 AM
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Default Re: (nonvtecD)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nonvtecD &raquo;</TD></TR><TR><TD CLASS="quote">Can we have more info on the setup?</TD></TR></TABLE>

b18c1 block JG Closed deck block
bored to 84.5 mm with Arias Piston
crank and rods balanced
Eagle rods
B16 head. Port and polished.
Titanium springs and retainers
type -r valves.
Gsr Cams
greddy timing belt
ABS intake manifold
hasport mounts
t3 GT35r .82 ar
Peak boost manifold
3 inch intercooler piping
50mm tial bov v-band clamp
44mm tial wastegate V-band clamp
sun auto ground wires
Garret 24x12x3.5 intercooler
AEM Computer
GSR Tranny with Quaife LSD
exedy twin disc clutch
exedy chromoly 9lb flywheel
Precision 1000cc injectors.
MSD Coil blaster
3 inch down pipe all the way back..
Made a special V-band clamp to mount a 4 inch downpipe.
3 inch HKS Carbon TI exhaust
AEM Fuel pressure regulator
AEM fuel rail
Old 03-02-2006, 05:31 AM
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Default Re: (If You Slip You Die)

i had a HG problemt his year, turned out to be a sleeved dropped 4 thousanths
Old 03-09-2006, 06:11 PM
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Default Re: blowing head gasket on a closed deck block (loserface)

guess i got to check the sleeves too ...
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