Tightening head bolts on engine stand?

[chris24g at yahoo.com (chris gonzalez)]

Ah, yes I was using raceware studs/fasteners on my diesel. Make sure you chase the threads and blow out the bolt holes, or your torque readings will be different for each bolt. Oh, and raceware themselves recommend using the beam type torque wrench vs. click or dial torque wrenches. They went as far as to say they recommend NOT using click or dial wrenches. 
 

Jeff Toomasson <jtoomasson@yahoo.com> wrote:
My worry was whether lifting with the stretch bolts partially torqued would
damage them any...

The 180' turn comes directly from the Bentley and only applies to stretch
bolts (which BTW should be done with the breaker bar and NOT the torque
wrench! :) IIRC, Diesels use head studs because of the ultra high
compression. Gas engines using studs like ARP or Raceware need to be
retorqued too...

JT
----- Original Message ----- 
From: "chris gonzalez" 
To: 
Sent: Tuesday, February 03, 2004 9:34 AM
Subject: Re: Tightening head bolts on engine stand?


> just snug them to 20lbs and torque it in the car.but 180? where did the
extra half turn come from? I just did the head gasket on my diesel and the
process was 20lbs, 40lbs, 50lbs, warm up the car then retorque to 50lbs. 180
degrees more would have been more like 80lbs of torque.
>
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