Which head gasket to use BBC salt water

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07-25-2018 | 09:32 PM

#31

dereknkathy

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Joined: Feb 2012

Posts: 4,031

Likes: 10

From: westville, NJ

4.37 is .120 bigger than 4.25 bore. .060 bigger than 4.31. That is .030 to .060 gap between bore and sealing ring. Wouldnt want to go any tighter.

07-26-2018 | 03:52 AM

#32

dbkski

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Joined: Feb 2006

Posts: 519

Likes: 15

Quote:

Originally Posted by adk61

I use Hylomar(tm) if ya cant find that Copper Permatex #101MA will work just fine (Hylomar is a Rolls Royce approved product)

Which Hylomar product do you use?

Hylomar

07-26-2018 | 09:23 AM

#33

adk61

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Joined: Nov 2005

Posts: 2,399

Likes: 15

From: Toronto, Canada

Hylomar

Quote:

Originally Posted by dbkski

Which Hylomar product do you use?

Hylomar

Hylomar jointing compound spray on, shake well first lol this stuff always stays wet/gel, doesn't dry/tack like Copper
You can get it from Dakota Parts Warehouse, Brian Benson 605-388-3396 tell him Al from AK Racing sent you. Great guy to deal with

08-20-2018 | 01:09 AM

#34

Baja Rooster

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Joined: Oct 2013

Posts: 2,888

Likes: 148

From: SF Bay Area

Any issues with running 4.5” bore cometic Head gaskets on 4.5” bores? Pistons are down .010 in the hole and I don’t feel any lip into the bores. I see some advice here to go bigger than the bores and wondering if I have an issue here.