2G Composite or MLS?

[krummel21]

I have replaced 2 head gaskets in the 6000 miles and want to make sure I don't have to do it again. The last head gasket was a composite and it started pushing coolant at 25 psi while it was on the dyno being tuned. When I removed the head the gasket looked fine. I assume the bolts strechted, standard ARPs were on at the time?

I have had the head checked and it is flat and has a very good finish on it. The block on the other hand is flat and smooth but it is far from a mirror finish.

I have also purchased L19 Headbolts for this install.


My goals:

26-29psi on a 50 trim running E85.

Which headgasket should I run?


I was looking at the perma-torque MLS, does it do a better job at sealing water and oil than the composite version does?

Thanks!

 

[jed344]

Just did my hg running a felpro with standard arp's head was decked not cheaply belt sanded so its strait. cleaned my block up best i could have had no issues pushing 20+ psi with lot of timming. Just go with composite and arps.