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  1. D

    '93 K3500, 454 TBI, poor drivability

    It could be a number of things, without a scanner that you could read serial data with you will be pissing in the wind. But if I didn’t have a scanner I would check all the computer ground wires they are known to corrode. Cut and put a new lug on the wire. Other than that I honestly feel like it...
  2. D

    Another TBI running rich

    Did you ohm that wire at the ecm connector when you checked that? I’ve never got been able to check a ground by using checking the ohms with a multimeter and getting a good reading simply because when your checking it that way your not putting any kind of a load on it.
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    Another TBI running rich

    I bet a dollar to a dozen Krispy Kreme doughnuts, it’s gonna be the ground wires at the thermostat housing not making a good connection. Or the one that’s on back of the passenger cylinder head. It’s not a chassis ground problem, it’s a ecm ground. I normally take all them grounds on thermostat...
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    4l60e swap question

    Same bell housing from 4.3 to v8 sbc, different on ls
  5. D

    Dash Upgrade

    Go to www.prodemand.com get the repair info on both year models. And you will have what you need. When you understand how it works you won't be afraid of it. I don't see how you can understand how it operates without a program like on demand or all data I don't have access anymore or I would...
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    1997 Vortex 5700 Stutters/misses

    10 times out of 9 the cap is bad

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