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  1. gpracer1

    front diff pops in 4x4 ??? and bad news

    Same thing with waterpump on mine 2 weeks ago. Good thing is water pump is gravy easy......even easier if you have efans.
  2. gpracer1

    A/C help

    40 compared to 120 for what? What year is your truck? I assume it uses 134a if 95 or newer. May be your low side cycle switch is not working.....until it sees over 27 psi it won't let the compressor turn on. Just hooking up the can to the system and opening valve to let freon in you...
  3. gpracer1

    AC issue

    How do you know you overcharged it? You may have barely put in enough freon for the compressor to kick on, but not enough to keep the pressure high. Actually we don't have enough info to diagnose, but that sounds like it so far. Did you start empty? How much did you put in?
  4. gpracer1

    97 YUK Brake Nightmare...HELP????

    If the abs unit is actually working ok, you could pound the brakes a few times on a dirt road to get the abs to cycle, then bleed the brakes like normal. Or drive over 3mph to let abs initialize then jack up all 4 (without turning engine off) and spin one or two tires and hit brakes to cycle...
  5. gpracer1

    97 YUK Brake Nightmare...HELP????

    I'm not sure why people seem to think that the abs has anything to do with pedal height or firmness? It does not. The pedal will be either soft or low pedal height if there is air in the system, the shoes are out of adjustment, the shoes are on wrong, ot the master is bad.
  6. gpracer1

    E fan question

    You want the temp probe to be on the drivers side (top) to monitor the coolant coming out if the block. If you put it on the passenger side, as soon as the fan comes on it will cool the coolant and you will just be measuring that.
  7. gpracer1

    Need help, or trucks goin.

    At least now "the trucks goin". :Boo:
  8. gpracer1

    hard steering, low battery, high engine temp

    Like they said, most likely the belt or tensioner. If the belt is still there the tensioner spring might be broken an the belt is super loose.....slipping badly.
  9. gpracer1

    Tahoe dies at very low idle

    I would check for for vacuum leaks or any thing disconnected . After that clean or replace the iac motor.
  10. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Stupid waterpump was leaking , so new water pump, new windshield , rear sway bar links , and slapped on some rancho rs-5000's.......left rear shock bolt hits the gas tank WTF? Had to bend the mount to get shock off.:emotions122:
  11. gpracer1

    Question about throttle body spacers?

    I installed the vmax spacer and also the spider at the same time, took me about 4 hours.
  12. gpracer1

    How much HP do you think my truck has?

    Exactly, crank numbers sound great but it is depressing seeing the RWHP numbers after going through the transmission, transfer case and to the rear wheels. My max RWHP on the dyno was 198 and 253 tq and my truck runs real good. Of course I haven't dynoed since I installed some more stuff. I...
  13. gpracer1

    Roller Rockers Scorpion SCP1035BL

    I called scorpion the other day as I was looking at the 1.6's and they guy in the tech dept said he had never heard of anyone complaining thet the holes had to be elongated. I was kinda :emotions34::emotions34: I would hate to buy, tear it all apart and find out they need to be...
  14. gpracer1

    Misfire under HEAVY load

    Under a load vs normal I would suspect the map, clean the maf and check O2 operation. This is assuming the fuel pump is supplying enough flow/pressure and the plugs wires etc are good.
  15. gpracer1

    Another temp gauge question

    I use the ultra gauge and love it, only about $70
  16. gpracer1

    problem!!!!

    Which "temp sensor" did you replace? The one on the side of the head for the gauge or the one on the thermostat housing that the PCM uses?
  17. gpracer1

    Dual Alternators - Can?

    My 140 puts out about 105 at idle but I have a very small pulley so my fans will work at idle. After seeing those brackets I ordered a plasma cutter on amazon. :)
  18. gpracer1

    Dual Alternators - Can?

    I wouldn't mind dual 140s either
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