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Re: Head re-torque

To: Paul Root <>
Subject: Re: Head re-torque
From: Charles & Peggy Robinson <>
Date: Wed, 24 May 2006 21:24:14 -0500
   I remember some years ago that Lawrie (what was his last name - the 
pro from NoCal?)  had a discussion about this matter.  I had always 
retorqued heads after the run-in and after the engine had cooled down. 
Lawrie had alway retorqued after the initial run-in and while the engine 
was still hot.  We both had success doing it the way we were taught, so 
we agreed that there was more than one way to success.

   Neither of us had ever heard of loosening the nuts/bolts first.



Paul Root wrote:
> I remember seeing it on the list before.
> Maybe something about breaking loose some friction of
> the bolts so that you get accurate reading on the torque
> wrench.
> I don't know, I may be making that up. :-) I've never
> had to do it.
> On May 24, 2006, at 8:15 PM, Max Heim wrote:
>> I've never heard of loosening before re-torquing -- where'd you get that
>> idea?
>> -- 
>> Max Heim
>> '66 MGB GHN3L76149
>> If you're near Mountain View, CA,
>> it's the primer red one with chrome wires
>> on 5/24/06 5:33 PM, Gordie's Garage at wrote:
>>> So, I've got nearly 1000 miles on my newly rebuilt engine in my MK II 
>>> MGA
>>> and I figure it's time to re-torque the head.
>>> So, whattaya think, slowly loosen all of them in reverse order, then
>>> re-torque, or just re-torque, or...?
>>> I hope this doesn't turn into a cat, or towing thread, but I'd sure like
>>> some other opinions.
>>> Safety Fast!
>>> Gordie Bird
>>> '62 MGA
>>> '67 MGBGT

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