Search results

  1. 89GMCJOHN

    LS power steering

    Just got my 89 W/T swap running ...its a 2005 Yukon 5.3 and accessories. I noticed my high pressure power steering hose swelling when I rev it. I havent driven it yet. I have read there are Borgenson pressure reducing kits out there ? Anybody else run across this when LS swapping ? It did puke...
  2. 89GMCJOHN

    Coolant hose routing

    So I got my truck as a project and in boxes. My question is coolant hose routing. I have a radiator that has no pressure cap or opening . It has two nipples on the passenger side next to the transmission tank - one towards the top of the radiator and one towards the mid point of the radiator...
  3. 89GMCJOHN

    Alternator help 470 ohm

    Guys I need a little help with my 1989 LS swap...I got my truck in pieces, hacked in boxes etc . Harness cut , old engine out etc ....So I am just staring at a bunch of loose connectors on the harness I have no idea what they went to or where they go . The connector here in question has 4...
  4. 89GMCJOHN

    My second 89 Shortbox project

    Well Im back lol.....I sold my completed 89 truck last year .....I kind of swore off doing another project as I just bought myself a brand new 21 truck and modded that a little and was kind of burned out . But then I realized how much I enjoy the build process, need to keep my mind active and...
  5. 89GMCJOHN

    Paint job costs - 2 door , shortbox

    I was just curious what are you guys paying for decent paint jobs with minimal bodywork on a 2 door shortbox ?
  6. 89GMCJOHN

    91 5.7 Roller engine intermittent knock at idle

    Lengthy post but I want to give details to help guys out ...I just got done putting a 274 cam in my newer 350 - 5.7 shortblock (2k miles on it ) in my carburated 1989 Shortbox. After this cam change At COLD idle I would get an intermittent nasty deep sounding knock. Like a normal tap tap tap...
  7. 89GMCJOHN

    Cam swap in truck possible without removing ac condenser ?

    Does anyone know - possibly have first hand experience - can you do a cam swap in the GMT400 truck without removing the ac condenser ? Not sure if you can sneak the cam in there by just taking the shroud and radiator out .... ....thanks in advance .
  8. 89GMCJOHN

    Valuable lesson

    Was cruising the other day in my 89 shorty and my rebuilt carb'd 350 just abruptly died. I tried for the next 30 mins to restart it all to no avail....I paid $100 to have her towed home after waiting 2 hrs for the tow truck AAARRRGGHH. I fixed it the other day and it was the HEI IGNITION MODULE...
  9. 89GMCJOHN

    Center wiper cowl 1989 Sierra 1500 RCSB

    Does anybody have a 1989 center wiper cowl section they want to sell ? Other years will probably work as long as it in good shape . This is the long plastic ribbed piece that has the holes the wipers goes through located at the base of the windshield. Shipping would be to 34756 Fl. Tx J.
  10. 89GMCJOHN

    89 seat bolt size

    I have looked and can find no definitive answer....I have an 89 single cab with the split bench seat ...anybody know what size the bolts are that hold the seats to the floor ? I need to get 4 that are missing from my seats Thanks in advance......
  11. 89GMCJOHN

    Dash filler panel

    Anybody want to sell me this small dash filler panel that goes on my 1989 " I can paypal ... Thanks John
  12. 89GMCJOHN

    Power steering pump, bracket and pulley

    I need a used assembled power steering bracket,pulley and power steering pump for my 89 GMC shorty . What I am after is the serpentine style setup for the power steering pump,pulley, alternator and engine bracket that ISNT the big horseshoe style bracket but the smaller single bracket . I...
  13. 89GMCJOHN

    AC help

    So I am getting down to the finish line here on my 89 GMC shortbox build. I am now troubleshooting the ac system. When I turn on the ac the fan blows but the compressor clutch isnt engaging ...from what I gather you have a low freon pressure switch located on the dryer and a TOO high system...
  14. 89GMCJOHN

    H E L P 1989 350 2wd shortbox power steering pump issues

    So my original power steering pump was leaking and whining really bad after about 20 minutes of driving....so I ordered a cardone replacement ....the bolt holes didnt line up with the serpentine bracket - the filler tube hits the bracket before you can rotate the pump to line up the three...
  15. 89GMCJOHN

    Pic request 89 roof structure

    Can someone take a picture of the inside of their 89 cabin roof - without the headliner installed ? I purchased an overhead console and I am wondering what is under there support structure wise I can screw into (if anything) or if the headliner alone is what supports those overhead consoles...
  16. 89GMCJOHN

    Weird oil pressure gage issue......

    1989 oil pressure gage issue .... start the truck and the gage goes to 70 psi , new short block ,melling m55a , short gm oil filter (non truck) .....as I rev it the the oil pressure goes down to 45 psi ???? Is it possible the short oil filter is going into bypass mode ? I also put a new Bosch...
  17. 89GMCJOHN

    Overhead consoles in a single cab - 2 door ...

    Does anyone know for sure will the overhead consoles from an 1988-98 Sierra extended cab / suburban fit a SINGLE - 2 door cab ? I think I measured my headliner at 27-28" so I was wondering how long those 89-98 consoles are in person and if they will fit ....I could use some more storage .
  18. 89GMCJOHN

    Help gas gage not working ...

    HELP please new pickup / sending unit isnt working ...I switched from TBI to a mechanical fuel pump and carb setup...as a result I went from an 89 4 wire sending / fuel pump unit to an 89 carbed r2500 gmc pickup with 2 wires. This NEW sending unit only has 2 connections ? A post on top of the...
  19. 89GMCJOHN

    Clear fuel filter not full when running...

    I thought I would share this after working on my carb conversion 350 yesterday . I have a high vol mechanical fuel pump installed....for the first time ever I ran a clear filter in my fuel line going to the pump INLET . I was shocked to see it was about 1/3 full while at best running with this...
  20. 89GMCJOHN

    HELP engine gurus - no oil passenger side lifters brand new engine

    My last problem now with this new engine is I still do not have oil pressure getting to the passenger side rockers . But I have a Melling M55A oil pump that is registering 60 psi at the back of the block behind the intake . Drivers side is really quiet - passenger side making noise and not...
  21. 89GMCJOHN

    Help ...4 wires front of engine harness .....

    Need a little wiring help.....I have a 1989 GMC 350 shortbox that I have converted to carb ...I ended up with 4 wires the previous owner has hacked up .....they are from the main harness near the front of the engine near the thermostat housing and alternator area ... 1.) One pair is a black /...
  22. 89GMCJOHN

    Help Headlight - grille terminology 1989 GMC shortbox

    Newbie here ....I have a 1989 GMC 2 wd shortbox truck ...the CHEVY grille thats in it is trashed.... I want to buy a new correct GMC one and I dont understand the terminology ....... my existing grille has 4 individual headlamps on the top row grille cutouts 2 left 2 right ,the lower cutouts...
  23. 89GMCJOHN

    89 GMC shortbox - Cruiser - torque build

    I bought this a year ago....as you can see from the pics the motor was toast . Its an 89 GMC 2 wheel drive . Red - maroon interior - really good shape . The previous owner put a Chevrolet grill on it . I took the 350 motor out only to find it was trashed internally - zero oil changes apparently...

Latest posts

Members online

... and 9 more.
Total: 1,619 (members: 59, guests: 1,560)

Forum statistics

Threads
64,341
Messages
1,391,577
Members
51,450
Latest member
kahrensjr

Share this page

Top