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Need quick help on ARP head studs!!

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Old Nov 29, 2003 | 09:16 AM
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Exclamation Need quick help on ARP head studs!!

I'm getting ready to torque my heads down and I noticed that my washers on my ARP head studs have a chamfered side and a flat side.. which one goes up, or does it matter? The instructions didn't say and the last set I used (on my mustang) didn't have a chamfered side.
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Old Nov 29, 2003 | 09:22 AM
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Originally Posted by gomer
I'm getting ready to torque my heads down and I noticed that my washers on my ARP head studs have a chamfered side and a flat side.. which one goes up, or does it matter? The instructions didn't say and the last set I used (on my mustang) didn't have a chamfered side.
Thanks
Chamfered side up, flat side down.
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Old Nov 29, 2003 | 09:24 AM
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Originally Posted by Hawkn01
Chamfered side up, flat side down.

THANKS for the quick reply. Looks like it's time to go torque those babys down
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Old Dec 4, 2003 | 07:45 PM
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Do you have to retorque the heads studs after a heat cycle?
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Old Dec 4, 2003 | 08:46 PM
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I hope not, I've been driving it around since torquing them down Sunday!
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Old Dec 4, 2003 | 10:00 PM
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i always put the flat side up, chamfered side down.
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Old Dec 4, 2003 | 10:02 PM
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So who's breaking the tie?
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Old Dec 4, 2003 | 10:05 PM
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I think ARP uses a "universal" washer for all there bolts/studs. The chamfered washer is for the bolts. It goes chamfered side up.
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Old Dec 4, 2003 | 10:26 PM
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Flat side down, chamfered side up.
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Old Dec 4, 2003 | 11:16 PM
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hum. is there a reason for this. i have always installed them flat side up and have not had any problems in the past. i wonder if it really even matters since arp does not make a big deal about it. they seem to only consentrate on the torque specs.
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Old Dec 4, 2003 | 11:38 PM
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Dont forget to lube the threads.
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Old Dec 4, 2003 | 11:44 PM
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My studs have different threads going into the block, than what the nuts thread onto. Mine only go in one way...

Josh
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