1973 GMC C1500 1973 GMC Truck dies when I put it in gear.

Tiny
DSCHWEITZ
  • MEMBER
  • 1973 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
  • 175,000 MILES
I have a 1973 GMC 1500 truck (350 V8) and it dies when I put it in gear. It will idle fine and I can rev the engine with no problem but as soon as I shift it in to gear it dies. I can get it to go into reverse and it seems to work okay.
It has been running good up until now and I am wondering if it is a fuel problem, carb problem, or tranny problem? Any advice would be appreciated.
Thanks.
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Thursday, February 12th, 2009 AT 1:21 PM

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Tiny
DON OLIVER
  • MEMBER
Sounds like tranny problems. I would guess that the forward clutch pack is locked and this would be like popping the clutch on a standard tranny. If it runs good in rev. And idles it kinda eliminates fuel and carb. There could be a chafed wire that grounds the ignition when the engine torques over when going into gear. Check the wiring to the dist. For problems. Good luck
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Thursday, February 12th, 2009 AT 1:40 PM

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