Head stud torque spec?

[ShiRen]

I installed the ARP kit 218-4703 at factory torque spec (50lbft), but the instructions recommended 90lbft. I emailed ARP and they still recommended 90lbft, but they could not guarantee that the head or block can take it. I am sure I can torque them down to like 70lbft, but I don't know about 90lbft. Then again I used a manual 3/8" torque wrench, it was a bit of a bear, I will borrow my buddies 1/2 Snap-on electronic torque wrench if I go any farther. Anybody know what they should be torqued to?

[InAccordance]

You talking about the studs or the nuts?

[ShiRen]

Well everything is hand tight until you put the head on and run the nuts down, so I guess the nuts.

[Shane86]

I do mine in three increments of 30. 30. 60. 90.

[stat1K]

I think the cast iron block should be fine, i put ARP studs on a d16 and we did 90, like shane said, 30-60-90.

[ShiRen]

Ok, I will back them off and do 90

[89T]

Ok, I will back them off and do 90I did 60-90-110, and at 30 pounds of boost the copper gasket still pushed.

Sent from my SM-G981U using Tapatalk

[ShiRen]

Luckily I am not boosted, but I guess torque was nothing to worry about. I do wish we could get an mls head gasket though.

[89T]

Luckily I am not boosted, but I guess torque was nothing to worry about. I do wish we could get an mls head gasket though.Cometic wouldn't even do it if I ordered 10 of them.

Sent from my SM-G981U using Tapatalk