[TR] anyone have experience using APR head bolts

[Jerry Van Vlack]

I did not re-torque my ARP’s after a TR4A rebuild and 2 years later blew a head gasket with no evidence of burn thru. Studs were loose and nuts came off much to easily. My fault as I always intended to do a re-torque but didn’t. 

From: Wbeech at flash.net 
Sent: Thursday, September 5, 2019 6:17 PM
To: Sujit Roy 
Cc: Triumphs 
Subject: Re: [TR] anyone have experience using APR head bolts

Have used APR on my last 3 TR3 rebuilds, never a problem.  Never heard anything about not having to re-torque.   I do after 2-3 heat cycles then again at 200 mile with the first oil change.   
Bill


Sent from my IBM 8088

On Sep 5, 2019, at 5:10 PM, Sujit Roy <triumphstag at gmail.com> wrote:


I used ARP head bolts on my last Stag. I torqued down the head, but never in the last 5 or so years did I re-torque the heads. I recall speaking to a technician over at APR and he said no need to re-torque  I have not run into an issue. But am wondering what other's have to say. 


Sujit


-- 

Sujit Roy
Cupertino, California

https://triumphstagblog.wordpress.com/


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