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Arp Head And Main Studs

Mik

By Mik,
in Engines & Forced Induction

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mark99 Contributor

mark99

Posted
Posted

We've used pleanty of them. A couple of the studs can be too long, but you just snip the end off of them to shorten them. The only way you would put a hole through something is careless assembly, when the sump wasnt siting in place correctly, if you tried to wind it down, you could hurt something. Not sure if they have rectified this or not. Also the head studs are very large diameter, so you'll have to drill out the head bolt holes in the cyl head

BezerkR32 Veteran

BezerkR32

Posted
Posted

Build all our engines with stud kits. Can turn down long bolts on a lathe.

Has anyone successfully used ARP head and main stud kits on an RB26? I've heard that the main studs are too long and one of them punches a hole in the front driveshaft tube inside the sump. Have they recified this yet?

Or should I just use Jap stuff?

Mik Experienced

Mik

Posted
  • Author
Posted
We've used pleanty of them. A couple of the studs can be too long, but you just snip the end off of them to shorten them. The only way you would put a hole through something is careless assembly, when the sump wasnt siting in place correctly, if you tried to wind it down, you could hurt something. Not sure if they have rectified this or not. Also the head studs are very large diameter, so you'll have to drill out the head bolt holes in the cyl head

ARP make 12mm studs for the RB26. You can't use 1/2 inch studs in an RB26 block anyway, because there are already 12mm threads there.

And I know I can turn down the studs on a lathe, but if that's the case, I'd rather just buy the jap stuff because I know it will work and it isn't much dearer.

Mik Experienced

Mik

Posted
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Posted (edited)
Difference between workshop and garage. If you had a lathe you might use it.

I have access to a lathe, that's not the problem. But I'd rather use something that is ready to go rather than risk altering the metalurgy of the studs. Also, I'm not going to spend an hours of stuffing around to save 50 bucks

Edited by Mik
  • 3 months later...

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