ARP standard vs. OEM 6 bolt - Page 2

**Goat Blower** · 03-19-2010

Quote:

Originally Posted by blackrosenova400

Lol I hope your kidding

Never, okay maybe just this once.

**goodhart** · 03-19-2010

Quote:

Originally Posted by CarPsyco84

Yeah, but you need to have a flat block and head with a MLS head gasket... which a Permatorque is.... like machined and lapped flat... or I will be back where I am now...

Like Brad and others said, The Permatorque seems to be a very forgiving HG as far as surface imperfections go.

CarPsyco84 · 03-19-2010

Quote:

Originally Posted by goodhart

Like Brad and others said, The Permatorque seems to be a very forgiving HG as far as surface imperfections go.

It had better for the money you pay for it...

CarPsyco84 · 03-19-2010

I'm going to bolt on a fel-pro performance composite gasket and use the stock head bolts... we'll let this be a little science experiment. Yeah, I'd love to bolt on L19's with a permatorque but thats over $400... this test will cost me $40 and a day of my time. I'm not scared of having to pull the head again.

santa · 03-19-2010

L19's and a mitsu mls gasket with a good surface prep. Best comb I've ever had. All last year I beat the hell out of my car and had no problems with my head gasket over pushing coolant.

turbotalon1g · 03-19-2010

Good luck and thx for trying something different out.

iceminion · 03-19-2010

Based on what other people are saying, ARP's cause the (any) HG to fail after 4xx horsepower.

And since I will always be a fan of the factory mitsu composite headgasket that has worked for 20+ years...Has anyone used L19's and a mitsu composite?

Andrew7dg · 03-19-2010

Signed in on this experiment! I want to see what happens also!

I was thinking of trying to build a 11:1 compression using E-85 and was wondering what head gasket/bolts I should be using. If the Feeler pro and stock bolts work GREAT!

CarPsyco84 · 03-20-2010

Well, this turned into a cheap fel-pro with arp's cause I was too lazy to swap them. I will post up the results of this. If you don't hear anything, that means its not pusing coolant.

CarPsyco84 · 03-30-2010

The felpro and arp's have yet to leak any coolant. I ran upwards of 35psi friday evening running around downtown. had the vacuum line to the FPR blow off at WOT which lead to lean misfires, still holding strong. Now that the 61 is toast it will probably last quite a while.

CarPsyco84 · 04-13-2010

Well, That setup didn't last long... I guess its time to verify the surfaces are still flat, and step up to L19's, maybe ring the head for good measure.