MLS Headgasket measurement VS Bore size and availability

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06-21-2016 | 09:53 AM

#11

JRider

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Joined: Jul 2007

Posts: 2,640

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From: MI

Dart 360 heads, I do not see how a 4.56 gasket would work. I think it would protrude into the cylinder the way it locates.

Last edited by JRider; 06-21-2016 at 09:55 AM.

06-21-2016 | 12:46 PM

#12

86Capri

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Joined: Nov 2011

Posts: 197

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From: Gardner, KS

Quote:

Originally Posted by JRider

Attempting to order head gaskets for my motor after valve bending incident. Bores measure 4.56, and gasket measures 4.58. Talked to a very good wrench and he said to order by the bore size, order 4.56 x .040 Cometics from summit. Did not realize the delivery date is 7/5. WTF? Now the two below are available will ship today. BTW, the gasket measured just a touch over .040. Can I use either of these?

Fel-Pro 1075 - Fel-Pro Performance PermaTorque MLS Head Gaskets, 4.580 in. Bore, .041 in. Compressed Thickness, Chevy, 366-454,

Jeb

We are in the middle of a refresh and my pistons are 4.565. The gasket that were on there before with no problems and the new ones going back on are the Fel-pro 1075.