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  1. Fireball5657

    LS PCM Mount in a TBI Truck?

    Hey all. I've been toying around with the idea of swapping an LM7 5.3 into my truck, but I'd like to have everything planned out before I go and buy everything. So where is everyone mounting their PCM's in their LS swapped 88-94 truck? In an ideal world, since I plan on sticking with the stock...
  2. Fireball5657

    Vicious 1-2 Shift on 4L60E.

    Hey all, I've got an extremely rough 1-2 shift on my 4L60E and it's making the truck nearly undriveable. The truck is the GMT400 in my sig, it is a 1994 GMC Sierra K1500 with the original TBI 350 and a reman 4L60E. The only code I have is for the EGR valve. The EGR valve hose is disconnected...
  3. Fireball5657

    Can you bleed RWABS with the truck in the air?

    I was brainstorming how to bleed my new RWABS module on my '94 K1500 w/ JB5's. Of course I could use a scanner, but those are expensive and I don't know anyone nearby who has one; and I could use a gravel road to get my brakes to lock up, but I'd really like to not tear up my brand new tires; so...
  4. Fireball5657

    How to tell if engine is roller ready?

    Hey all, I've looked all over trying to find a definitive way to tell if my block has the roller provisions, but I can't seem to get a clear cut answer. Everything I'm finding is contradictory, people mixing up years and engines, so I'd like to check my engine for myself. It's an LO5 TBI 350...
  5. Fireball5657

    Looking for a complete powertrain wiring harness.

    Hey all, I have a 1994 GMC K1500 with the TBI 350 and a 4L60E. I’ve been having wiring issues with the transmission harness since the metal holder for the harness at the bell housing has rubbed through the wire loom and is starting to rub through the wires themselves. I’ve patched the spots...
  6. Fireball5657

    Truck dies when put in gear.

    Hey all, I’ve got a bit of an issue. I’ve got a 1994 GMC K1500 with the TBI 350 and the 4L60E. The truck starts and runs just fine, but the second it’s put into reverse or drive it dies. Now, if I disconnect the trans fuse it’s goes into gear just fine, but the throttle is a little funky. It...
  7. Fireball5657

    How to reset TCU on 94' 4L60E?

    Hey all, I recently ordered a new transmission for my truck, and I've been told by shops and trusted friends that as the transmission ages, the TCU adapts to the transmission as it ages and parts start to wear. Because I'm putting a brand new transmission in the truck, I'd like to get the TCU...
  8. Fireball5657

    Who has the best reputation for reman 4L60E’s?

    Hey all, the trans in my 94 K1500 has officially kicked the bucket, after a filter and fluid change it soon gained 5 more neutrals and now I need a new one. I haven’t found a good local shop near me, and I don’t know where to start when it comes to an online trans. So hopefully someone can point...
  9. Fireball5657

    Newish transmission not working right.

    To start things off, I have a stock TBI 350 and a completely rebuilt 20K miles ago 4L60E, the truck is a 4WD and I have plenty of trans cooling, both the trans cooler built into the radiator and a separate auxiliary trans cooler are on the truck. I don’t tow, and I don’t beat on the truck, it’s...
  10. Fireball5657

    Looking for new 88-94 Stainless Mirrors

    Hey all, a while ago I converted my 94 Sierra K1500 to the 95+ mirrors, and while it’s nice that they don’t fold in on the highway like the old dumbo mirrors, I lost a lot of visibility, and honestly some of the good looks too. I’d like to buy new ones, but I don’t want poor quality ones that...
  11. Fireball5657

    What to do about torsion bars on 94 K1500?

    Hey all, tomorrow I'm dropping my entire suspension on my 94 K1500 to put new parts on, and while I've got almost everything planned out, I know nothing about torsion bars. Is there any way to replace the lower control arm bushings without touching the torsion bars? if not, then, Are the...
  12. Fireball5657

    Worth buying 97 Burb?

    Couldn't find a good spot to post this, but the main issue is an engine-related one, so I figured it fit best here. Hey all, I went to look at a 97 C1500 'Burb today, I've wanted a GMT400 or GMT800 Burb for a while, and this one may just be what I'm looking for. It's a bit of a project, but it...
  13. Fireball5657

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  14. Fireball5657

    Everything I know about the 94-only "ZM2" package pickups.

    Hey all, I've been trying to uncover the secret of the ZM2 optioned trucks, there's very little conversation on the internet about it and I feel like I've found enough info to finally make a post about it. Anyways, here we go... The Silverado LT and Sierra SLT names sound normal these days...
  15. Fireball5657

    New AC compressor, what do I do about PAG oil?

    Hey all, 94 Sierra with a 5.7 and factory R134 AC. It’s had issues with the ac since 2007, the previous owner kinda just gave up on it and I haven’t bothered with it much until last year, when I replaced the compressor, orfice tube, condenser, and the accumulator. The old system was all original...
  16. Fireball5657

    Narrowing down common TBI problems...

    Hey all, it seems like everyone with a TBI motor is trying to fix bad idle, lack of power, and poor fuel economy, I'm no different. Common issues, but the only problem is that there is rarely ever just one magical cure-all to these issues, people think they have the answer because it worked for...
  17. Fireball5657

    Restoring stock alloys?

    Hey all, I’ve been wanting to get my stock alloys looking pretty again, but I’ve run into a bit of an issue. They’re 27 years old and haven’t been well maintained, so they aren’t in the best shape. What should I do about this damage? I have access to plenty of tools, I just don’t know which...
  18. Fireball5657

    Steering wheel with buttons in old interior?

    Hey all, I'm sure most of us have seen the steering wheel with the radio control buttons put into a 95+ truck, but after looking at the radio plugs for the older interior, I don't see any reason why you couldn't put that wheel into a older interior truck. So anyways, I have several questions...
  19. Fireball5657

    Grey Rubber Floor mats wanted!

    Hey all, I need some OEM GMT400 rubber floor mats for my truck. I’d like them in grey, bonus points if you have rear seat mats too. Thanks!
  20. Fireball5657

    Pickup Overhead Console, color doesn’t matter.

    Hey all, needing a GMT400 pickup overhead console, the one with the smaller opening. Don’t care what color, if it’s not grey, I can reupholster it. Thanks! edit: I’m in Oklahoma!
  21. Fireball5657

    Blazer overhead console screen in full size?

    Hey all, I remember reading a thread on here a few years ago that talked about putting a 98-04 Blazer/Jimmy/Bravada screen into a GMT400 overhead console, I can't seem to find it, but I'm interested in adding one to my 94 Sierra. One thing I remember reading is that the avg fuel economy, range...
  22. Fireball5657

    Are there any old style mirrors with power control?

    Hey all, I'm going to add power mirrors to my 94 Sierra soon, for now I have manual versions of the 95+ mirrors, and while I like them, they're much smaller than my older "dumbo" mirrors and I'd like to go back. Now from the factory, none of the dumbo mirrors were power operated, but I was...
  23. Fireball5657

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  24. Fireball5657

    Need new console lock!

    Hey all, I’m about to replace all of my door locks on my 1994 GMC Sierra, but I would like to get a new console lock too. I took the console latch apart and the lock cylinder looks different from the door lock, so where can I find a new console lock? Here are some pictures of the lock, it looks...
  25. Fireball5657

    Two Door to Three Door Extended Cab Swap?

    Hey all, I've got a 1994 extended cab Sierra that I'm in the process of restoring. I like extended cabs, more space than a single cab, and crew cab GMT400's always look off, even the short bed ones don't look very good to me, but one thing that drives me crazy is that all of the early ECs only...
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