Head gasket on A96 aluminum block
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Head gasket on A96 aluminum block
JBR-3 February 15th 2020, 10:40 pm
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Last edited by JBR-3 on October 17th 2020, 3:50 pm; edited 1 time in total (Reason for editing : .)
JBR-3- Posts : 266
Join date : 2009-08-17
Re: Head gasket on A96 aluminum block
JBR-3 February 22nd 2020, 12:23 am
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Last edited by JBR-3 on October 17th 2020, 3:51 pm; edited 1 time in total (Reason for editing : .)
JBR-3- Posts : 266
Join date : 2009-08-17
Re: Head gasket on A96 aluminum block
Lem Evans February 22nd 2020, 9:17 am
JBR-3 wrote:Not one person on here has run into something similar to this ?
Don't use oring with 1028.
How many is "a few' above the deck?
Has the block been run before?
Lem Evans- Posts : 7445
Join date : 2008-12-03
Location : Livermore , Ky -
Re: Head gasket on A96 aluminum block
rmcomprandy February 22nd 2020, 12:10 pm
JBR-3 wrote:Not one person on here has run into something similar to this ?
In that situation where I would like to use a 1028 gasket, I put copper wire into the o-ring grooves and machine them flat to the deck.
rmcomprandy- Posts : 6106
Join date : 2008-12-02
Location : Roseville, Michigan -
Re: Head gasket on A96 aluminum block
JBR-3 February 22nd 2020, 4:01 pm
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Last edited by JBR-3 on October 17th 2020, 3:51 pm; edited 1 time in total (Reason for editing : .)
JBR-3- Posts : 266
Join date : 2009-08-17
Re: Head gasket on A96 aluminum block
Lem Evans February 22nd 2020, 5:46 pm
JBR-3 wrote:Thanks much gents.
The liners are above deck .0018 ~ .0020, best that I can measure, all of them.
Yes. block is used, I don't know the build/output. I can't measure the current deck height,
so I don't know if it has been decked, but they are the original liners.
***********
I always thought liners had to be above deck, but maybe this is incorrect. The block does grow
and lash increases. But the liners are seated on their register basically right at the top, so if the
block grows say .012", I would think it would actually push the liner up in the bore along with the
block aluminum.
I've used the 1028 with the sleeves ~ +.002". I feared that the block being new the sleeves might settle. Worked okay.
When the engine was freshened I had the sleeves milled flush with the deck.
Lem Evans- Posts : 7445
Join date : 2008-12-03
Location : Livermore , Ky -
Re: Head gasket on A96 aluminum block
JBR-3 February 22nd 2020, 10:53 pm
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Last edited by JBR-3 on October 17th 2020, 3:52 pm; edited 1 time in total (Reason for editing : .)
JBR-3- Posts : 266
Join date : 2009-08-17
Re: Head gasket on A96 aluminum block
pmrphil February 23rd 2020, 9:19 am
I've used copper wire before, hammered it into place, and then gently filed away the excess, with no issues. Try different diameters of wire to find the one that leaves the least amount to file off.
pmrphil- Posts : 170
Join date : 2016-10-29
Re: Head gasket on A96 aluminum block
rmcomprandy February 23rd 2020, 12:46 pm
JBR-3 wrote:Randy, what do you think about using Devcon to fill the O-ring groove ?
I have never tried using copper wire, like .035 diameter, maybe 20-ga copper.
Do you try to squish/hammer it into the groove with a brass hammer ?
I use wire which is only a couple thou bigger diameter than the groove is wide and force it into the groove just like the original steel O-ring but, simply made of copper. I imagine that any SOFT metal wire of the right diameter would work fine.
rmcomprandy- Posts : 6106
Join date : 2008-12-02
Location : Roseville, Michigan -
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