Todd,
  I just went through this.  I put a Radio Shack 22uMFD 35Volt Capacitor in
the AFM.  Yes a $1.00 Cap seemingly worked wonders.  Look in the Archives
since Jan 99 and you will find all the answers you need. Look for High speed
bucking.  This will take care of your problem.
Rich

>From: Todd Last <Rubatoguy@MINDSPRING.COM>
>Reply-To: Todd Last <Rubatoguy@MINDSPRING.COM>
>To: vanagon@GERRY.VANAGON.COM
>Subject: High-Speed Miss
>Date: Sun, 30 Jan 2000 21:19:05 -0800
>
>I just returned from a weekend-trek and had a very strange miss occur
>about 4 hours into my drive. I was wondering if anyone had a solution -
>since I seem to recall this problem being discussed before.
>
>This is on an '88 Westy with 128K. About 4 hours into freeway driving at
>aprox 4K rpm. While driving up an incline,
>the motor would act as if all electrical power were cut for an instant.
>It would do this once, then about 3 minutes later start again. This
>gradually got worse, to the point that it was happening every 5-10
>seconds.
>
>I seemed to recall reading a post about a confused ECU cutting power,
>and that turning the ignition off reset the ECU,
>so while going on a downgrade, I turned the engine off, waited about 10
>seconds and started the engine again.
>
>Surprisingly the miss disappeared and did not show up at all for the
>remaining hour of the trip.
>
>Is this a known problem? Or do I have some odd electrical gremelen?
>
>I think it is time to get a digitool!
>
>Thanks,
>
>Todd
>'88 Westy

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