Pulling Forum - 426 copper headgasket thickness

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426 copper headgasket thickness

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Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=173844
Printed Date: 23 Nov 2024 at 9:20am
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Topic: 426 copper headgasket thickness

Posted By: goomer
Subject: 426 copper headgasket thickness
Date Posted: 26 Aug 2020 at 9:41am

What thickness copper do you use to make a head gasket for a 426? thanks

Replies:

Posted By: DrAllis
Date Posted: 26 Aug 2020 at 10:35am

Depends what you're trying to do. What are you using for fire rings?? or no fire rings?? I guess generally I'd think the same thickness as the OEM head gasket, but it depends on other things.

Posted By: goomer
Date Posted: 26 Aug 2020 at 10:55am

fire rings with groove cut into sleeve. Guessing stock thickness. will the copper crush at all?

Posted By: DrAllis
Date Posted: 26 Aug 2020 at 3:00pm

You'd better ask who grooved your sleeves and what size fire ring. It doesn't crush very much. A .030" wire will crush into it, but I never figured the whole gasket crushed maybe .001".

Posted By: bsallis180
Date Posted: 28 Aug 2020 at 4:36am

.025 deep grove .065 gasket and .015 cruch

.105 thick ring