It's worth changing the filters, I suppose.  Thanks for the reply.

Charles
'85 Westy

At 10:04 PM 4/30/2003 -0500, Joel Walker wrote:
> > Okay, here's the deal.  I've got a 1985 Westy, automatic.
>She's running
> > well until yesterday when all of a sudden on the freeway she
>develops a
> > stutter at 2800-3000 rpm (about 45-48 mph in drive).  Below it
>okay; over
> > it okay.  Only does it when engine warm; cold okay.  Starts
>fine,
> > too.  I've got a new AFM, 02 sensor, new-used ECM.
>
>what happens if you get it over 3000rpm?? or will it continue to
>accelerate through the stuttering?
>
>sounds like water in the gas. but why only at that rpm, i can't
>say.
>
>could also be a vibration shaking some wire on the engine ... so
>check all the wires, especially any around the distributor and
>ignition coil.
>
>good luck!
>joel