wrote:
> "jim beam" > wrote in message
> ...
>
>>Alex Rodriguez wrote:
>
>
>>ordinary bolts will soften & creep at high temperature. and the exit of
>>the cat is /very/ high temperature!
>
>
> What is the difference between ordinary bolts and the ones you refer to,
> Jim?
>
>
the OEM bolts are splined to stay snug in the hole. right?