Thanks

[Al Smith]

Most if not all torx or allen heads are grade 8 SAE.

 

[Tucker943]

Al is the TH metal specialist/expert by a loooong shot.

 

[Al Smith]

Not really .You have to remember I work in the auto industry .My father was the metals guy .That plus the fact with the family name alone it goes back to the miggle ages .

 

[Tucker943]

You just proved my point.

 

[Magnus]

I learned this the hard way and payed for it myself so I won't be using standard bolts again.

 

[stehansen]

I put the new gasket on. The bolts were stainless steel Magnus. I was assuming that would be good.

 

[MasterBlaster]

Ain't no way it could hurt.

 

[Al Smith]

FWIW the engines we build,3.5 and 3.7 liter "Duratec" use stainless exhaust manifold studs .