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Re: Re-torquing

To: MG Listserver <>
Subject: Re: Re-torquing
From: Chris Attias <>
Date: Wed, 18 Aug 1999 12:01:58 -0700
Lawrie said:

"Re-torquing of a cast-iron head should be done when it is hot.

Re-torquing of an aluminum head should be done when it is cold."

I just bought an aluminum stock-type head, and was instructed by the 
manufacturer to torque it up the first time, set the valves cold, run 
the engine to hot, retorque, then let it sit 'til cold, and reset the 
valves.  Go figure...

Have noticed on my Alfa that the iron exhaust manifolds need to be 
retorqued to the  aluminum head at least once after they are 
reinstalled and the engine run--that old Differential Coefficient of 
Chris Attias
'64 MGB
'84 Alfa Romeo GTV-6

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