Stock length pushrods, stock cam, stock valve springs. Only thing
different in the valve train are the harland 1.7 rrs, but I have
swapped them for the stock rockers and the tapping still exists.
WiLieR
On 5/4/07, Bernd D. Ratsch <bernd@dodgetrucks.org> wrote:
>
> If it's changing with RPM's...it's going to be something
> mechanical...probably in the valvetrain. What length pushrods are you using
> and what cam/valvespring combo are you using?
>
> - Bernd
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