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427ci head gasket question...

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Old 05-28-2007, 02:57 PM
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Default 427ci head gasket question...

I am going to be replacing the head gaskets on my MTI 427ci motor.
The block is a ls1 Darton resleeved block, 4.125 bore.

My question is will these gaskets work with this block?
Cometic MLS Cylinder Head Gasket, LS1 Darton Sleeved Engine,
.040 thickness, 4.165 bore

I read on MTI's website that "custom" cosmetic gaskets are required.
Do I need a 4.130 bore gasket, or a different thickness?
Any help would be appreciated.
Thanks,
Old 05-28-2007, 11:19 PM
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They'll work. I'm running those on my 427 Darton block right now without issues.
Old 05-28-2007, 11:22 PM
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Originally Posted by Black2001z06
I am going to be replacing the head gaskets on my MTI 427ci motor.
The block is a ls1 Darton resleeved block, 4.125 bore.

My question is will these gaskets work with this block?
Cometic MLS Cylinder Head Gasket, LS1 Darton Sleeved Engine,
.040 thickness, 4.165 bore

I read on MTI's website that "custom" cosmetic gaskets are required.
Do I need a 4.130 bore gasket, or a different thickness?
Any help would be appreciated.
Thanks,
Is that really the issues Justin? If so, thats a good relief!
Old 05-29-2007, 03:28 PM
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Thank you guys!
I pray it is only a head gasket, and not a leaking sleeve!
We are running a coolant pressure test and a leak down test to hopefully clue us in.




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