I agree with trooperbc, idling fine and cutting out during load usually is an ignition related problem. I know the discharge ignitions can be hard on distributor caps, you might check the cap and wires too!

Jay


1991 Trooper - DEAD! 2.8 V6, 5 spd, 4WD, HD clutch, 2.25" exhaust, EPROM Chip, KC/Hella, Aisin hubs, Rancho 9000X's, Panasonic/Infinity/Alpine
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