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  1. tylers88

    total replacement wiring harness

    The 400s are old enough and have a big enough following I would think there would be a entire replacement harness out there but Google failed to find anything, figured I'd ask here. Does anyone know of one and if so could you post the link?
  2. tylers88

    GMT800 suspension components on 400?

    Ok not sure where this should go but I know the spindles are almost bolt on but what else is, what I want to do with my 88 RCSB 4x4 there is a ton more support for 800s than 400s, I wondered what all could cross over? Real question is front control arms and rear springs, I traded my 800 crew cab...
  3. tylers88

    resto wiring harness

    Does anyone make a full vehicle wiring harness for any gmt 400s? I have the 88 service manual, all 3 books, and a couple hanes manuals and I'm good with wiring so I could build a new harness and just reuse the connectors but I would like to be able to start fresh with everything new. The truck...
  4. tylers88

    2004 Silverado Crew Cab LT3

    Well the time has come to part ways with my 2004 Crew Cab LT3. I'm in Clarion, IA. I am asking $15,000 but for forum members I would be willing to work more with the price. I do still have a loan on it. It has about 118,200 on it, I got it at about 73K in November of 10(Still have paper work...
  5. tylers88

    torsion bars question

    On my 88 the torsion bars are olive green, there arent any stickers left but I did sand a spot and there is NOT black paint under the green. What the hell is the deal with them, I tried to decrank fully and the truck only sits about 2" lower in the front(stock rake) with the ajuster out fully so...
  6. tylers88

    4wd front lowering parts

    What is out there besides keys for the front of a gmt400 4wd truck for lowering parts. I would like to get to 4 1/2-5" in the front but keys are only about 3 1/2" max
  7. tylers88

    5 speed swap info needed

    Ok like the title says, I am thinking a 5 speed will work best for what I'm planning with my 88. My question how much abuse will an nv3500 hold up to? The truck is going to get lowered and learn to corner, I would go with a t56 but i have to get something that i can bolt a tcase to. Do should I...
  8. tylers88

    TBI head questions

    I want more power out of my TBI 350, big suprise I know lol. How much will the heads flow if I port them, both remove the swirl in the runner and gasket match? Also is there enough meat to remove swirl?
  9. tylers88

    4HI doesnt engage

    Hey guys, my 88 doesn't engage the front axle in 4HI. Accuator has been replaced and if I hook it up to the battery directly it does engage the axle. Case itself does go into gear also. I wondered if the the "switch" in the top of the case would be my problem or if I have bigger issues...
  10. tylers88

    Magnaflow dual tailpipes

    I have wanted dual exhaust on my truck forever and found the Magnaflow stainless mandrel bent dual tail pipes, I plan on running a Magnaflow muffler with a 3" SI/2.5" DO, I just need to know if I need a center inlet or offset inlet. This will be going on my 88 regular cab short box 4x4 with a...
  11. tylers88

    RBP style grille

    I have decided to twist my new school theme for my 88 a little. I wondered if there is a company that makes a RBP style grille for the 94-98 GMC grille shell.
  12. tylers88

    My 88's build thread

    Well guys, progress will be slow for a while but I have some big plans for the old girl. I got the truck when I was 15 and it looked like this. It had 3" flares, windsheild visor, Ultra 15x8s with 31x10.5 BFG A/Ts Mods it has -3" exhaust, no cat, Dynomax Bullet, weld on chrome tip 1988 GMC...
  13. tylers88

    Future Plans

    Well guys I just got an 04 CCSB LT so the 88 is officially going to be a project again. Plans are 6" RCX 4.88's or 5.13's with a Tru Trac 37x13 16 Boggers some nice ressy shocks, I know it will probably rub but I like stuffed trucks and FTS are assholes I emailed them a year ago for prices and...
  14. tylers88

    Iowa

    Hey from Iowa. I have an 88 RCSB 4x4 (kind of) with a 350, black with maroon interior.

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