Head Bolts Tourque

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Aug 21, 2004 | 09:33 PM

97 Z Me Go

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Joined: Feb 2003

Posts: 167

From: Wisconsin

Head Bolts Tourque

With stock heads and gm gaskets what the TQ on the bolts.

Kyle

Aug 21, 2004 | 10:25 PM

shoebox

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Joined: Dec 1969

Posts: 27,725

From: Little Rock, AR

Re: Head Bolts Tourque

Torque-to-yield specs:
First pass all bolts 22 lb. ft.
Second pass medium and long bolts 80°, short bolts 67°.

Aug 21, 2004 | 11:00 PM

97WS6SCharged

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Joined: Nov 2002

Posts: 4,784

From: Jacksonville

Re: Head Bolts Tourque

I did mine in 3 passes, 25, 45 and 65, then checked them all 3 times before I was satisfied. No problems so far, knock on wood.

Aug 21, 2004 | 11:14 PM

Spinner

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Joined: Jul 2003

Posts: 2,945

From: Fort Benning, GA

Re: Head Bolts Tourque

I did mine like this:

Step One: 32 ft.-lbs.
Step Two: 52 ft.-lbs.
Step Three: 70 ft.-lbs.

Per trick flow's guide for 23 degree heads HERE

http://www.trickflow.com/product/che...stallation.asp

Aug 21, 2004 | 11:59 PM

Lt1t56

Registered User

Joined: Oct 2002

Posts: 567

From: Texas

Re: Head Bolts Tourque

Shoebox's method is the correct way but most people including me do a final torque of 65lbs and havent had any problems. Knocking on wood also.

Aug 22, 2004 | 01:35 AM

97 Z Me Go

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Joined: Feb 2003

Posts: 167

From: Wisconsin

Re: Head Bolts Tourque

Im using ARP Bolts and was told because of the washers being on there you can torque them just once????

Aug 22, 2004 | 02:58 PM

Spinner

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Joined: Jul 2003

Posts: 2,945

From: Fort Benning, GA

Re: Head Bolts Tourque

Thats nuts. Head bolts are only USABLE once, but you can torque them as many times as you want to get to final specs

Sep 3, 2004 | 12:27 AM

97 Z Me Go

Thread Starter

Registered User

Joined: Feb 2003

Posts: 167

From: Wisconsin

Re: Head Bolts Tourque

Well my heads are sposed to be here tommarow. So i just want to make a doubble check. Use the factory method but torque ALL bolts to 65 ft lbs.

Does every single bolts get the same 65 ft lbs?

Kyle

Sep 3, 2004 | 08:55 AM

shoebox

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Joined: Dec 1969

Posts: 27,725

From: Little Rock, AR

Re: Head Bolts Tourque

Quote:

Originally Posted by 97 Z Me Go

Well my heads are sposed to be here tommarow. So i just want to make a doubble check. Use the factory method but torque ALL bolts to 65 ft lbs.

Does every single bolts get the same 65 ft lbs?

Kyle

If you don't like the factory specs I gave you, I guess you can do whatever you want.