I just installed a new cam in my car. I have APE S2 LS1 heads milled .030. The cam specs are 232/238 .595"/.605 on 112 lsa. I checked P to V last night. I have .085" on the intake side and .060" on the exhaust side. I'm using '02 ZO6 tri-metal gaskets. My question -> What is the min. clearence I should have on the exhaust side? Does anyone know the compressed thickness of the ZO6 gaskets? I heard that they were something like .050". If this is the case couldn't I just get a thicker gasket like a .070" Cometic? Or would I lose too much compression doing it this way? I could also just flycut .025" on the exhaust side of my piston? Thanks for the help guys!

 

.060 is not enough for the exhaust. Judging from your cam, I'm guessing the motor should be spinning upwards of 7000. At that speed I'd want about a tenth for my P to V, especially on the exhaust.

 

you want .100 or so on the exhaust

 

Isn't that what I just said?

 

Yep. See those RED LETTERS on Fireball's name. That means he's a moderator.
joel(Bink)

 

Sorry to offend the holy one. I didn't realize it was you your highness. Please except my deepest apologies, and I beg of you not to send me to the gallows. Haha.

 

Have someone fly cut it. I'm sure Stenod has devised a way to use a porta band to fly cut pistons by now.

 

I was just agreeing with what you said LOL. If this were my thread...I'd be more inclined to believe what was said if more than one person said the same thing

 

Sorry for my sarcasm. I was just having a little fun. You make a very good point, especially since there is so much bad information flying around.

 

 

Prob better to flycut the exhaust IMO. You may be able to get a little more exhaust clearance by advancing the camshaft if you have an adjustible chain, but prob not enough, and at the cost of intake clearance.

 

TOO DAMN FUNNY!!!!!!!!
joel(Bink)