Thanks, but no it is definetly engine related. I'm sure it has nothing
to with clutch or tranny.


Jon wrote:
> > wrote in message
> ps.com...
> > Okay so I bought this 1990 LX 2.3L mustang 2 days ago and it has a loud
> > clacking sound, the owner said it was the lifters, and sounded like it
> > to me. So i picked up the car, and today swapped the lifters. To my
> > disapointment the noise was still exactly the same! The sound is
> > comming from the rear off the motor, and it about half the engine RPM.
> > It is pretty loud metal on metal banging sound. It is high pitched,
> > which sounds like its not the bottom end, and it even sounds to be
> > comming from just under the valve cover. When I let off the throttle
> > cruiseing the noise quiets down a bit.
> >
> > While I was in their I also replace the plugs, wires, cap and rotor.
> >
> > So please if anybody has any idea please let me know! I am really
> > stumped and down wanna dump any more money into it for nothing. I also
> > cleaned the engine out with intake cleaner, so I don't think it could
> > be carbon.
> >
> >
> > Thanks, Cory
> >
>
> This probably doesn't help but
> If manual transmission, it could be the clutch thrust bearing, they ware out
> about 80,000 miles or so.
> noise goes away when clutch is out (no power to wheels)
> It is high pitch sound had to replace two, 87 and a 93 both 5.0's