[TR] TR-3/4 main cap bolts / ARP

[J.C. Hassall]

On 1/13/2010 8:41 AM, A Daniel Cronin wrote:
> Gang,
> would hope this information is shared with the remainder of the list!!
>
> Regards,
> Dan Cronin
>
ARP bolts for the TR4 mains are HAR 3.500-5, while the washers are 
200-8513.

For folks who haven't used ARP hardware before, they recommend cycling 
(torque/loosen) new hardware 5 times before the final torque.

jim

>
>
> --- On *Tue, 1/12/10, J.C. Hassall /<jhassall at blacksburg.net>/* wrote:
>
>
>     From: J.C. Hassall <jhassall at blacksburg.net>
>     Subject: Re: [TR] TR-3/4 main cap bolts / ARP
>     To: "Tony Drews" <tony at tonydrews.com>
>     Cc: Triumphs at autox.team.net, jhassall at vt.edu
>     Date: Tuesday, January 12, 2010, 11:09 PM
>
>     On 1/12/2010 10:52 PM, Tony Drews wrote:
>     > Anyone have info on dimensions for TR-4 main cap bolts?  The
>     manual shows 1/2" UNC but not the length.  I'm trying to figure
>     out what ARP bolts you would buy to replace the stock bolts, and
>     also one that's 1/2" longer to allow for "strapping" the center
>     main.  If I had the dimensions (length) I could try to cross
>     reference the engines that ARP lists main cap bolts for.
>
>     Tony, 3.5 inches under the head.  I can give you the ARP number
>     tomorrow, but don't have access to my build log right now.
>
>     jim
>


-- 
Jim Hassall
Blacksburg VA
'63 TR4 in autox preparation
99% finished, 90% to go