Quote:
Originally Posted by mike55112
I beleive there 85 ft lbs.
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it's around 80 or 85 with moly lube and 120 with 30wt oil
Quote:
Originally Posted by ecoli
ARP's might be one time use studs, but I don't think they are TTY.
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I've looked around a bunch and haven't found any legit info on them actually being tty. I've looked on arp's site and other forums and all I've found is people saying they are tty nothing from the actual manufacturer sayin they are tty. Infact i've found more info saying you can reuse them if they are NOT stretched. I've even found posts where they talking to the arp people and they said they were reuseable if they are not stretched
I think half the problem is people over torque them and when you stretch a bolt too much it loses a lot of it's clamping ability.
so you have a weakend headstud in an engine making a lot of power and the head lifts and you push coolant. correct me if I'm wrong but thats just my thoughts on it.
on another note I'm running arp's and a commetic hg and haven't pushed any coolant since I've put them in almost a year ago, even on the dyno when I had it tuned on a spike to 25psi then settling to 21psi and making 280awhp at db. ( but I know i'm not making a ton of power so we'll see how things hold up).
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