[TR] anyone have experience using APR head bolts

[tony at tonydrews.com]

If the head gasket is compressible, you need to retorque.  It’s not  
that the studs stretch, it’s that the head gasket compresses.

Tony Drews

Quoting Jerry Van Vlack <jerryvv at roadrunner.com>:

> 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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