Resolved 4G63 MLS head gasket

[DSM_GSX01]

i have been doing some research on the best MLS head gaskets to use and what has gave people problems? I was wondering what is the best MLS head gasket? I am going to use ARP head studs with this gasket as well. anyone that can help me out thanks?

 

[WES_393]

The biggest problem most have with MLS Head gaskets is that the head and block surfaces must be near mirror finish in order for an MLS to seal. Unless you plan to make over 450hp anytime soon, I'd just stick with composite and head studs.

 

[ChiTownHussla]

Wes is correct. In order to achieve maximum sealage from a mls gasket, you need both the block and head decked . Cometic is the brand most DSM guys love

 

[DSM_GSX01]

yea that is one thing i have read. i have pulled my engine to do a rebuild on it. i have a aftermarket head i am going to put on it. it has that finish like you are saying. i just don't know how much was milled off? if i get a MLS will it make up for what was milled off? and i am also going to make sure the engine is flat as well.

 

[ChiTownHussla]

best way to check for "flat" surfaces is take to machine shop. THey have tools you wouldnt have broseph

 

[DSM_GSX01]

it was at a machine shop and they had to mill it. it was warped a couple thousands i don't know how much they took off though?

 

[Imback]

Avoid cometic hg's they are the worst hg i've used.

 

[DSM_GSX01]

what kind of head gasket would you recommend?

 

[bryanwheat]

Avoid cometic hg's they are the worst hg i've used.

Cometic gaskets are perfectly fine if you have the correct surfaces on the block and head.

 

[Imback]

My finish was spot on and the car never overheated. Swapped in a felpro permatorque mls never had a problem again. The newer style ones are the bad ones. A friend has one from 6 years ago and his fine.

 

[DSM_GSX01]

ok thanks that helps me tons