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View Full Version : 94 Gmc 3500hd 6.5td


NORTHSTARAUTO@GMAIL.COM
10-30-2010, 13:13
Replaced 6.5td Engine And Ip. Truck Runs Perfect Until Out Of Park Once In Drive It Looses Acceloration
JohnC
10-30-2010, 19:06
Original '94 HD programming is not compatible with later injection pumps. Not sure if this is your problem, though. More info would help...