Erik Quackenbush wrote:
>
> At 08:37 PM 7/13/99 -0400, you wrote:
> >
> >Peter,
> >
> >Why do you want to replace these bolts. They are very special super
> >strong bolts made for that task. Unless they are damaged I would not
> >replace them.
>
> Hardened steel stretches and weakens each time it is torqued, heat cycled,
>and stressed.
> All of the engine rebuild books I've read, without exception, say that rod
>bolts should be
> replaced as a matter of course.
>
> Rod bolts are specially made to do their job (they get a lot more stress than
>any other
> fastener on your car), but they're only human...
>
> -Erik
Yes, but the original discussion was for main bearing bolts. Main bolts
lead a far easier life than either rod bolts or head studs, so they
rarely break or need replacement.
Randall
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