As I recall, the thrust 'button' is behind the timing chain cover with an
adjustment on the cover itself. I believe that there is one for each side
(dist/pump shaft and the cam).
Steve AKA Dr Deuce
----- Original Message -----
From: Douglas Greville <dgrev@ruralnet.net.au>
To: Jeanne Lacourse <cckw@mediaone.net>
Cc: Military Vehicles Mailing List <mil-veh@mil-veh.org>
Sent: Monday, March 05, 2001 5:41 AM
Subject: Re: ideas ?
> Jeanne
>
> > Or possibly the water pump shaft going back and forth. Check the thrust
> > washer and its adjustment on the front of the engine. If the shaft was
foing
> > back and forth, it would advance-retard the timing.
>
> That's an interesting thought. The water pump has only done a few miles
> as it went in not long ago. I did check the thrust washer at the time
> and there was no discernable play (NOS water pump). So chances are
> the pump is not the cause. But I find your suggestion very plausible.
> If all else fails I will pull the pump and check that the thrust washer
> hasn't done anything weird.
>
> Regards
> Doug
>
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>
> dgrev@ruralnet.net.au
>
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