Switching ARP head bolts for studs ??
Thread Starter
Joined: May 2004
Posts: 6,492
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From: Back in the Burg
Switching ARP head bolts for studs ?? I want to switch my arp head bolts for studs. I just built the motor and I don't want to take the heads off. Can I start with The #1 bolt in the torque sequence replace it with a stud Torque it, and move on down the line one at a time. Any one see a problem with this?
Thread Starter
Joined: May 2004
Posts: 6,492
Likes: 6
From: Back in the Burg
I was talking with mikey at rapid motor sports about tuning my car and he warned me that the arp head bolts don't seat right all the time. I dont want to run the risk of lifting the heads although I havent heard of this problem with the bolts untill now. I'm going to be running 10-12 psi of boost BTW. Any more imput.
Last edited by conan; Jun 21, 2005 at 06:58 AM.
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Joined: Mar 2004
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From: BFE
For 10-12 psi, I would Yank those heads. Well worth the time IMO.
What gaskets are you running?
You can also benefit from adjusting your quench to tight to reduce detonation and better flame travel. .030>.035 if your PTV allows it.
What is your actual SCR/DCR
What gaskets are you running?
You can also benefit from adjusting your quench to tight to reduce detonation and better flame travel. .030>.035 if your PTV allows it.
What is your actual SCR/DCR
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The only reason you may have to pull the heads is to properly clean the threads in the block. You could just pull all of the bolts out, and install the studs without removing the heads and making a mess. There is an allen key on top of the ARP studs that you could use to put a little torque on them. Then you could put the nut and washer on the head studs and torque them down to spec with the moly lube. Again, you will be running the risk of having debris in the threads, and you can possibly cause damage and end up pulling a motor if you're not careful.
The dowels will hold the head on the block even when the bolts are out. The gasket should hold all of the fluid in unless you tug on the head. All in all, I would recommend pulling the heads just to be safe.
The dowels will hold the head on the block even when the bolts are out. The gasket should hold all of the fluid in unless you tug on the head. All in all, I would recommend pulling the heads just to be safe.
Guess I'll be pulling the heads. 