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  1. 87sierra

    87 GMC Cummins swap and 4x4 conversion

    Okay so in the near future I am planning on doing a cummins swap and convert my 2wd to 4x4. Right now I have a cummins out of a 91 and a pair of axles the front is a dana 60 king pin not sure on the rear would assume it a dana 70 both rebuilt. The only thing I need is the trans and tcase and...
  2. 87sierra

    Shock/Sway bar ?

    okay first off I am looking for good shocks for towing/Hauling and daily driving since I believe the truck has the original shocks. I am looking at buying either: Rancho RS5000 series shocks Monroe Gas-matic shocks monroe Gas magnum shocks Kyb Gas Shocks Also I just found out that the...
  3. 87sierra

    Oil Leak From intake manifold gasket

    Okay its been a while since i have been on here i have replaced my intake manifold gaskets two times and everytime due to oil leaking from them at the back and front of the intake (Valley of Engine) and everytime it stops leaking for two to three weeks than starts leaking again i properly clean...
  4. 87sierra

    4l80e 1-2 solenoid problem

    Okay I am Currently looking at a 1994 Chevy 6.5l turbo diesel yes I know its not a square body the guy that is selling it says the trans was rebuilt but know has a 1-2 shift solenoid problem he wants a grand for the truck was wondering if any one on here has had similar problems i have read i...
  5. 87sierra

    th400 hesitates when cold

    okay i have a 1987 gmc sbc350 with th400 that when cold will hesitate to go either forward or reverse but when up to operating temp will engage forward or reverse right away which at first i thought it was seals but the hesitation should get worse another thing someone told me was that there...
  6. 87sierra

    Dually S10?

    okay I found this online and is this a legit vehicle gm made or did some one fab it up http://www.youtube.com/watch?v=5L5gTp7MZHY
  7. 87sierra

    strange noise

    okay as I was on my way home tonight I heard this whistling/ squealing noise coming from the back of the engine or front of trans area the sound would change pitch as I got on and off the throttle and as I braked the noise also occurs when in park reverse neutral and drive almost sound like its...
  8. 87sierra

    unable to keep engine timed

    okay so my problem is timing the engine after I did intake gaskets is the plate on the distributor that holds down the cap turns is it suppose to turn or not
  9. 87sierra

    Radiator leak how to fix

    I was wondering if any body has used radiator stop leak or know how to solder or welder a radiator and what equipment is needed any help is greatly appreciated
  10. 87sierra

    Engine electrical problem

    okay today while driving the my truck it decided to have no throttle response or anything even my radio died but the engine stayed running. after i pulled over and and threw it in park everything came back it then also decided to die a mile or so down the road but would restart so if anyone can...
  11. 87sierra

    Anyone know what these modules or relays do

    im not sure what these modules or relays do they are in the upper left of the pic next to each other also have a little problem with the manifolds turning cherry red and oil pressure dropping below 30 then back to 30 it also smells like it is running rich
  12. 87sierra

    2002 vortec engine

    i need to know where the location of the thermostat is and what to remove to get to it :help:
  13. 87sierra

    Engine Problems

    I have an 87 Sierra with a 350 tbi and while driving the truck it starts to sputter and bog down just recently it died and i had to wait 30 mins before it would even fire again just replaced spark plugs wires cap and rotor a year old:help::help::help::help:
  14. 87sierra

    different diesel swap like CAT or Detroit

    I was woundering if anyone has ever tried putting a CAT or detroit diesel into a square body truck or even if it is possible
  15. 87sierra

    Harsh shift from 1st to 2nd

    I have a th400 and when im driving down the road it shifts hard into second once the truck hits 35mph and going into 3rd it has to reach 45mph before it shifts can anyone help :help::help:
  16. 87sierra

    New from PA

    New here to this forum but looks like u guys know ur stuff hope to help out. I have a 1987 GMC Sierra 2500 2wd 350 tbi

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