Re: stronger main cap bolts

["rob" <19to1tr6@comcast.net>]

Great I am really at ease now   When it comes right down to it Ive run about 
50 events on only  2 different motors and the stock bolts have been fine  I 
was discussing this thread with a friend today and his opion was 
itan'tbrokedon'tfixit
----- Original Message ----- 
From: "Terry and Cindy" <Roadandtrack2@hypermax.net.au>
To: "'rob'" <19to1tr6@comcast.net>; "FOT" <fot@autox.team.net>
Sent: Monday, April 18, 2005 9:17 PM
Subject: RE: stronger main cap bolts


> Interesting reading
>
> Does anyone have any real data on the yield strength of the bolts being
> suggested versus stock ones??.
>
> I have been caught before. I am using some Mitsubishi conrods in a
> stroked 2 litre GT6 racer. I had their bolts tested to find they are the
> same yield strength as the fancy ARP ones.
>
> I have built dozens (maybe hundreds) of road & race triumph engines over
> 30 years and never seen a main bearing bolt fail. I've tossed out quite
> a few from thread damage or other visible defects, but the majority are
> fine.
>
> Further, with regards to 'aircraft" bolts, many are a grade of stainless
> steel which can be quite brittle, and are not suited to this type of use
>
> Does anyone have any real data to share??
>
> thanks
>
> Terry O'Beirne