Reuse or new studs

[05f250harley]

I had my truck studded last year with standard arps and my gaskets are leaking now. I'm gonna have it redone soon and I was wondering if you guys would reuse the arps or get new extreme studs? I would like to to keep cost down as much as possibly because I'll probably sell the truck after it's fixed. Just wondering if it would be dumb to reuse the arps?


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[300000 and counting]

You can reuse the ARP's up to 5 times but you have to torque them a little more (I'd call a ARP or someone who does them a lot to ask how much more) since your having them redone make sure you get the heads checked and decked and make sure you use oem gaskets.

 

[sootie]

you should be fine reusing them. go to the same torque they were torqued to this time.

 

[swinky]

I say new. For all you know you got a bad batch and they stretched or something. Worth the piece of mind imo. Sell your old ones and you'll only be out like 200 bucks.

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[sootie]

good point^^^^

 

[Mdub707]

I re-used mine. I contacted ARP, got the specs for the length of the studs, measure them to ensure they were within spec still (not stretched or yielded from the last use) and used them again without issue. Either they're still the correct length or not, it's not a guessing game really...

I don't see why you would have to increase the torque value each time either. If the stud didn't yield, it should still be the same length and therefore would require the same torque value to achieve the same clamping force.

 

[Irontx]

I re-used mine. I contacted ARP, got the specs for the length of the studs, measure them to ensure they were within spec still (not stretched or yielded from the last use) and used them again without issue. Either they're still the correct length or not, it's not a guessing game really...

I don't see why you would have to increase the torque value each time either. If the stud didn't yield, it should still be the same length and therefore would require the same torque value to achieve the same clamping force.

Exactly.
And I'm not sold on the whole extreme stud thing....

 

[Mdub707]

Exactly.
And I'm not sold on the whole extreme stud thing....

I never was, but knowing what I know now, I would opt for a higher tensile strength stud any time I have the option (within reason, I'm not dropping $1500 on the custom aged ARP's either LOL )

It's not to say the standard ARP's wont work, because they have and they will, but a higher tensile strength stud, even using the same overall clamping force, will resist stretching more. It's as simple as that. Whether or not those specific studs will hold, is yet to be seen I guess, but a stud is a pretty simple design, at least the way we're using them. I re-used my ARP's from the first time the dealer installed them (didn't last 10k miles like that) and they're holding great now. If I already had the ARP's, I probably wouldn't go out of my way to use a different stud, but if I was buying new, I'd likely go with the H13's.