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  1. Dropped88

    Need some TBI 454 parts

    Looking for a stock intake, accelerator cable bracket, and crank pulley. Can't find local.
  2. Dropped88

    TBI o2 open loop vs tune

    I have a 1992 454 with the single wire O2 sensor and I know you can upgrade to a 3 wire so the o2 stays efficient at idle. But if i only change the sensor will it keep counts high enough to stay closed loop or is it programmed to automatically go open whicj is rich on O2 reading, doesn't smell...
  3. Dropped88

    90's retro makeover/restore

    Time for another build did not plan on another but traded around and got here haha. So quick run down had an 03 suburban 3/5 drop cateye swap and 5 speed swap that a traded for a friends 90 sierra we LS swapped but he needed something bigger. And at the time i had no intention of keeping the...
  4. Dropped88

    dually bed side pictures

    Needing pics of the bottom of the dually bed sides. And also where the brackets go. Repairing my dually bed sides and some of the bottom is busted, also the brackets weren't bolted up so I can't fully figure it out and google hasnt been much help
  5. Dropped88

    $350 1999 C3500 CCLB

    Guess its about time a start a build thread so lets see how this goes. When i say this thing was rough is an understatement. And i don't have any before interior pics because it was that bad, well cleaned 6 30 gal bags of just trash out of cab and bed not counting the big stuff that wouldn't...
  6. Dropped88

    99 c3500 fuel gauge readout with LS

    Did the swap and everything is good and works as it should except fuel gauge. i know 98+ goes through pcm and i have that wired properly. my problem is in the tune and from what ive gathered is black box was output duty cycle and the 2001 pcm is pwm. ive tried different tunes for segment swaps...
  7. Dropped88

    Welcome from old/new member

    It sure has been a long time since i lurked gmt400 lol. I used to be jeff's88silverado and cant access old email i couldn't reset password so i guess new truck new start which i think is great since I now have the means to mod this gmt400 like it deserves. Anyways bought a fairly clean bone...
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