Ok, there seems to be a lot of conflicting info about the thickness. Depending on where you look it seems some say they are .051 and others say .055

Does anyone have a compressed used set laying around they can measure?

Ive been factoring everything based on .051 but just trying to figure exact CR numbers, its small but still wanna know.

 

I do have a set I torqued heads down on once or twice but never ran yet. Not sure how accurate of a measurement I can get with them lol.

 

Do you have a micrometer or caliper, I don't figure it will be exact but trying to measure new ones doesn't get you very far.

 

No Mic's... just calipers. I hate micrometers lol..... but I do a set and stop borrowing them.

But...... I lied. I sent the previously torqued set in a 6 liter I just finished for a guy and have a new set only sitting here. So I am no help haha.

 

Mine were 0.051"

 

You actually measured them? I just don't get how something made by GM has such conflicting info from various vendors. I've seen .051,.053 and .055

If .051 then I am 9.89
If .055 then I am 9.8

 

Yes I measured again this morning on a used gasket. It takes quite a bit of force to squeeze it enough to measure 0.051 but thats what it would be when installed. Lightly measuring I got like 0.060 or so.

 

Cool. Thanks Richard. Ya being new mine are way up there, and I don't wanna compress them so.