gmt400

  1. K

    P0440 Code Tip

    A tip to help people like me out there: For the past year, I was getting an intermittent P0440 code. This is a very vague code that indicates a general EVAP system malfunction. Just realized today that the solenoid on the canister in the engine bay was unplugged. Did some work on the brake...
  2. V

    700r4 VSS sensor problem need help ASAP

    Hello everyone, I need help deciding whether I'm in deep trouble or okay to continue. I own a 1992 GMC Sierra with a single cab and a short bed. Recently, I had my 700R4 rebuilt and it's been working great. However, my speedometer stopped working, so I replaced the VSS magnetic sensor. It worked...
  3. thebigcar

    gmt400 (1996 k2500 suburban) - compatible gmt800 suspension parts?

    Hi ya'll - I'm finally getting around to restomodding a 1996 k2500 Suburban 8 lug (stamped lowers) I picked up over the winter but to my surprise, there isn't much in the market for upgrade suspension parts! After coming from a mopar background, I thought owning a GM product meant TONS of...
  4. 1994chevycheyenne

    GMT400 Upgrades Buyers Guide

    I have a 1994 Chevy Cheyenne C1500 with a 4.3L V6 engine. I bought the truck for about $1100 a few years ago. Since then I have over $10,000 in receipts fixing up, servicing, and restoring this truck. And I have over 60 videos on my YouTube channel of the truck. Here's the playlist. After all...
  5. G

    1994 GMC Sierra K1500 5.7l ticking

    Hello, I am just trying to gain some knowledge about my truck. So my vehicle has recently started ticking. Not like it has any performance issues, when I have foot not on gas or it is maintaining lower speeds, I hear nothing. Once it is under load, it begins to tick. At first I thought it was...
  6. C

    Best wiper blades for 1992 Chevy 2500?

    Stock are 18” 3/16” pin style Need a good set of wipers for winter What are you guys using for the older gmt400 with pin style wipers
  7. 92Raiderburban

    Hydroboost: GMT400 to GMT800 swap *tutorial*

    I did this swap recently, and on a *BUDGET*. While driving on Lake Mead Blvd up here in North L.V., I happened to spot a stripped-to-the-bone, fire damaged 99-06 pickup truck abandoned in an alley. Noticed it had 8 lugs so naturally looked in the engine bay and walla! Hydroboost still intact...
  8. C

    92 c2500 reg cab new seat ??

    Hi I’m looking to swap out the old bench seat in my 1992 reg cab c2500 What would be the best bet Ive seen people do new Silverado interior or seats from a king ranch Any helpful advice would be appreciated thanks
  9. C

    Chevy gmt400 alarm

    Anyone install a alarm in there gmt400? I have a 1992 and looking to install a alarm what’s a good quality alarm and how to install it?
  10. J

    Transmission advice

    Hey this is my first forum but I have a 99 k1500 classic so it’s pretty much a 98. I just lifted it and but 35s on it I pull trailers here and there but I’d eventually like to start taking it mudding. My problem is my 3-4 clutches went out in the tranny like many other 4l60s, should I replace it...
  11. D

    Torsion bar upgrade

    I have a 1993 gmc k3500 and I'm looking to upgrade my torsion bars because they are already sagged out and sitting on the bump-stops and they are 3/4 the way cranked in. I don't want to go stock as I run 9'-3 western plow with wings, it weights around 1-1,100lbs. That's what sagged it out it use...
  12. Wh4t3v3rs

    The build of "Wh4t3v3rs"

    Wh4t3v3rs is a 98 Chevy short bed that's receiving a 6.0l turbocharged LS swap with a goal of 850hp and a mid to low 5 second 1/8 mile, all while retaining power steering and A/C. My LS is a LQ4 truck 6 liter with a stock bottom end. I will use the LQ4 heads with the Brian Tooley v2 trunnion...
  13. B

    5.7 TBI tuning

    I have a 89 c1500 with the 5.7 tbi and I want to get into tuning. This is my spare run around vehicle and I think it’s a decent platform to start considering it is all stock and I have replaced most all maintenance parts and it runs well. I’m debating between getting a chip burner or saving for...
  14. B

    1989 c1500 long bed single cab 5.7 build log

    Bought the truck with 150k and already driven it to 160k. So far I’ve been fighting a rough idle issue and have replaced Fuel pump (stock unit) Tpms sensor IAC sensor Coolant temp sensor (for ECU) Distributor Ignition coil Plugs and wires Spare tire Rear shackles (0/2) Exhaust (straight pipe)...
  15. Jordan Goldenberg

    1989 k3500 rarity?

    Hows it going. I’m looking for opinions from people that know this era of truck very well. I have a 1989 GMC Sierra sle k3500 190xxxmiles. Power windows and locks. Tbi 454 Fourth gen I think. It’s not an SS. That package was only offered on c/k1500s I think. It’s got 1 ton rear (ifs). Muncie...
  16. Jaydub

    Before and after thus far, what you guys think

    So far I have done a full tune up of course, rebuilt front end, bought wheels and tires, tinted windows, cleaned paint, repainted, lifted 6 inches, exhaust and some detailing. Probably forgetting things haha. Plan on still getting a full chrome front bumper and maybe doing headlights/taillights...
  17. M

    Transmissions lines

    Can anyone tell me the order of the 2 transmission lines to the radiator.. Top of tranny side to top of radiator side and bottom to bottom? Or bottom of tranny side to top of radiator side. Swapped transmissions and forgot to take note
  18. Nash Bridges

    94 Suburban C1500 engine swap

    so i have a 1994 suburban with a stock 5.7l gas v8 (automatic trans) that has 345,000 miles, could i swap it for something like a bmw v12 or a diesel? what transmission could be used?
  19. B

    4l60e desired shift times

    So im trying to figure out how i should tune my shift times. I have a 4l60e with a vette servo. I have my torque management reduced by 50 percent already. Could someone please tell me why the 3-4 shift times on the normal table are zeroed out. What should i set them to? Also why are the values...
  20. E

    LS swap fuel system on K1500 stock fuel system

    Any thoughts on how I should run fuel lines and what not for a ls swap in my 97 k1500. I did just buy a new tank and pump last year and definitely wouldn’t wanna swap it with that expensive plastic sob that came on the Silverado. Any thoughts on how I can do this?
  21. R

    lS Swap A/C Wiring Help Blue/Green PCM

    I am needing help with the final stages of my LS swap. I swapped in a 2005 suburban 5.3 with 4l60e into my 1998 scsb. I am running both harnesses in the truck and reworked them myself with the help of Brendan from LT1SWAPS.COM. The truck is currently running and the only things I am still...
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