small block head gasket,which one?

Posted By: moparborn

small block head gasket,which one? - 07/23/09 01:11 AM

I want to get my compression up,what is the thinnest head gasket available that will do the job in a 318,about 9.5 comp.street driven.
What are the best parts for doing a set of 318 302 casting swirl port heads on a budget?

Posted By: MoparforLife

Re: small block head gasket,which one? - 07/23/09 01:15 AM

P4120094 if you can find them. .026-.028 compressed.

Posted By: Anonymous

Re: small block head gasket,which one? - 07/23/09 01:18 AM

http://www.trademotion.com/partlocator/index.cfm?siteid=214666

Posted By: 70AARcuda

Re: small block head gasket,which one? - 07/23/09 04:57 AM

Quote:

P4120094 if you can find them. .026-.028 compressed.

mr gasket 1121 is the same gasket...

Posted By: 73cuda340

Re: small block head gasket,which one? - 07/23/09 07:05 PM

On mancini racings website it says the mopar performance p4120094 is .024-.028 with a 4.060 bore. Which compressed thickness would this gasket actually be since it states two different thicknesses? Also which is the better gasket the Mr. gasket or the mopar performance?

Posted By: edbux

Re: small block head gasket,which one? - 07/28/09 03:37 PM

Quote:

On mancini racings website it says the mopar performance p4120094 is .024-.028 with a 4.060 bore. Which compressed thickness would this gasket actually be since it states two different thicknesses? Also which is the better gasket the Mr. gasket or the mopar performance?

Check the bore diameter of the Mr. Gasket. The bigger the whole in the gasket, the less compression you will have.

Posted By: patrick

Re: small block head gasket,which one? - 07/28/09 04:08 PM

Mr gaskets are 4.14" Bore....the newest MP thin gaskets are also 4.14" bore, they don't make the 4.06" bore ones anymore.

I used the Mr gaskets, haven't had a chance to fire it up yet.

Posted By: 70AARcuda

Re: small block head gasket,which one? - 07/29/09 04:14 AM

they are the same gasket..

they both came available within days of each other...order both trying to get one set...
got both sets...

Attached picture 5382841-Picture785.jpg

Posted By: Leadfoot

Re: small block head gasket,which one? - 07/29/09 04:45 AM

I don't think I would go through the trouble of changing a head gasket for a compression increase unless there was another reason to change the gasket anyways.
The result will be so insignificant it won't even be noticeable. It may raise your compression from 9.5 to 9.6 if you're lucky.