arp headbolts

jeremey thomas · Jun 28, 2006

does anyone know the torque specs on arp headbolts?putting heads on tomorrow any help would be appreciated.

JimBowy · Jun 28, 2006

oh come on! you have to tell us what heads your using and what lubricant!

your best bet is to call ARP.... dont overtorque the bolts

Cman88 · Jun 29, 2006

JimBowy said:
oh come on! you have to tell us what heads your using and what lubricant!

your best bet is to call ARP.... dont overtorque the bolts

65 ft. lbs if you are using the ARP lubricant. Just did mine last week.

JimBowy · Jun 29, 2006

Cman88 said:
65 ft. lbs if you are using the ARP lubricant. Just did mine last week.

don't listen to this guy, call ARP tech support

you didn't even specify what type of heads you have.... give good info. or don't give any at all

smittyb · Jun 29, 2006

Well, for 7/16 302 head bolts, it is 65 with moly lube.

JimBowy · Jun 29, 2006

smittyb said:
Well, for 7/16 302 head bolts, it is 65 with moly lube.

aluminum or iron head?
what if he has studs?

smittyb · Jun 30, 2006

He already said head bolts, and so did I. As for Aluminum, Arp says 60, I never really think it makes a whole lot of difference, but whatever, its 60 or 65.

Cman88 · Jun 30, 2006

JimBowy said:
don't listen to this guy, call ARP tech support

you didn't even specify what type of heads you have.... give good info. or don't give any at all

More like don't be a douche. I gave good info, it came DIRECTLY FROM ARP. What more do you want? Some people just seem to want to correct others... Make you feel important or something?

JimBowy · Jun 30, 2006

smittyb said:
He already said head bolts, and so did I. As for Aluminum, Arp says 60, I never really think it makes a whole lot of difference, but whatever, its 60 or 65.

If you seriously think it doesn't make a whole lot of difference, you don't understand **** about fasteners. End rant.

smittyb · Jun 30, 2006

Yeah, that helps the guy out a lot, very informative. I gave the guy the info I had available. I now agree with Cman, you sir, are a douche.

Cman88 · Jul 1, 2006

JimBowy said:
If you seriously think it doesn't make a whole lot of difference, you don't understand **** about fasteners. End rant.

I've built many Honda/Acura engines in my day. I know, you can piss and bitch and moan all you want. People seem to vary the torque specs used on the ARP head studs on these engines all the time by as much as 10lb ft. or so. It seems to depend more on the engine builder you speak to at the time. Anyways, I digress... my point being that I have never heard of anyone having issues directly related to head bolt/stud torque variations as a result. If you want to claim to know all about fastners, then why don't you simply enlighten us with your knowledge instead of insult us? We're supposed to all be adults here.

mikemustang289 · Jul 1, 2006

If 5 foot pounds is really that important on head bolts, make sure you get your torque wrench calibrated as well...

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