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alum to alum

Post  GT300TD on 22nd February 2016, 11:35

I have M/T aluminum valve covers and 1/2" spacers. I want to bond them together permanently to avoid using 2 sets of gaskets. Have looked on the "net" and everything is so expensive, plus I want to be sure that anything I buy will withstand the heat. Besides two sets of gaskets are 'fugly' Sad .

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Re: alum to alum

Post  John Myrick on 22nd February 2016, 11:54

JB Weld maybe ?
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Re: alum to alum

Post  GT300TD on 22nd February 2016, 12:58

I've not had the best luck with JB weld , but I think it might have been in the preparation. I'll probably use it, thanks.

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Re: alum to alum

Post  61coon on 22nd February 2016, 14:39

There is a 2 part system called "5 minute epoxy". Devcon is the manufacturer. Good stuff!
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Re: alum to alum

Post  rmcomprandy on 22nd February 2016, 18:00

GT300TD wrote:I have M/T aluminum valve covers and 1/2" spacers. I want to bond them together permanently to avoid using 2 sets of gaskets. Have looked on the "net" and everything is so expensive, plus I want to be sure that anything I buy will withstand the heat. Besides two sets of gaskets are 'fugly' Sad .

If you bond it to the cover having well cleaned surfaces with "the right stuff" being sure to allow it a full week to dry, you will have no issues. Cut off the excess after it dries with a razor blade.

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Re: alum to alum

Post  69F100 on 22nd February 2016, 21:39

Or some 3m yellow weather adhesive for weather stripping
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Re: alum to alum

Post  bbf-falcon on 22nd February 2016, 22:31

Duck tape it Terry. Embarassed

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Re: alum to alum

Post  cool40 on 22nd February 2016, 22:45

I guess you have considered different "tall" valve covers? Idea
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Re: alum to alum

Post  biglucky on 22nd February 2016, 22:52

I saw a t.v. commercial for that Mighty Putty it's gotta be good.Guy glued a hard hat on his head and is hanging from a steel beam.
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Re: alum to alum

Post  GT300TD on 23rd February 2016, 12:58

cool40 wrote:I guess you have considered different "tall" valve covers? Idea

Yes, but my M/T's look so 'right' on the '64 Galaxie.

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Re: alum to alum

Post  GT300TD on 23rd February 2016, 13:08

Okay, sand w/60 grit paper and clean with brake fluid. Find the right stuff, JB Weld or the epoxy or the mighty putty (I'll check them out). Clamp and let cure for 1 week.
Thanks a lot guys Smile .

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Re: alum to alum

Post  Mike R on 23rd February 2016, 21:17

Something else to consider. I used to paint a lot of Harley engine parts and because the aluminum was so porous the paint would start to blister after they got hot from the oil trapped in the castings. To solve the problem we would clean them then put them in the oven for about an hour at 450 degrees, let them cool and clean them with brake clean. Problem solved

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Re: alum to alum

Post  GT300TD on 23rd February 2016, 21:39

The valve covers are in vgood shape, thanks for the tip.

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Re: alum to alum

Post  bbf-falcon on 23rd February 2016, 23:23

I've got a set of those M/T's Terry. Pretty cool covers. Very Happy

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Re: alum to alum

Post  GT300TD on 24th February 2016, 21:23

bbf-falcon wrote:I've got a set of those M/T's Terry. Pretty cool covers. Very Happy

I have 2 sets, bought both of them at the Super Swap

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Re: alum to alum

Post  GT300TD on 24th February 2016, 21:27


Picked up some JB Weld Marine Weld, it's the only JBW that lists Aluminum in the Applications.

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