Recent content by Mike Duckworth

  1. M

    Riddle me this... hot start 'N dies, miss / cut out only in summer

    That pickup coil is critical for solid ignition. If it is the original one.
  2. M

    '97 5.7 Vortec Low Oil Pressure

    I had a problem with the check guage light coming on after warm up and coolant guage and oil pressure guage would swing back and forth. I found out the zip tie strap on the wiring harness from the driver's side going across the back of the engine broke and harness fell down on exhaust manifold...
  3. M

    Gas milage ?

    My 1990 c1500 gets right at 19 to 20 at 65 miles an hour 16 to 17 in town. Its a stock 5.7 l crate engine., 3.08 rear end , 4l60 transmission and stock 235 /75 R 15 tires , original TBI that has not been rebuilt. Depends some what on how its driven.
  4. M

    1990 c1500 keeps cranking on its own. HELP!

    I have a 1990 that burned the positive lug off the battery when a rebuilt starter from autozone solenoid shorted out.
  5. M

    LED headlight bulbs

    What are DRL's ?
  6. M

    HELP!!!, need some alternator questions answered.

    I had to replace a cs130 alternator last week, it had been on my truck for about 5 years. I check all the wiring first, it was good. I took it off and went to O'Reilly and bought a brand new one, put it back on, it lasted 2 days and the internal voltage regulator screwed up, it would over charge...
  7. M

    5.7 vortec smokes like a diesel at start

    Normally if it is leaking oil through the valve guides it will blow blue smoke out of the tail pipe when you first crank it up and after it sets parked for several hours and you crank it again. You can pull the spark plugs and you will have oil build up on the side of the porcelain part of the...
  8. M

    Coolant leak

    How old is the heater core ? It can leak right there, usually you can smell it.
  9. M

    1995 K2500 Suburban 6.5TD Control Arm Bushings-Which To Use? Dead Stock...

    I replaced all the frontend and suspension parts on a 1990 Chevy Silverado Sportside 2-wheel drive last year. I used all Moog parts, they were more expensive, everything fit real well. The parts I replaced were original to the truck. The upper ball joints had brads holding them to the upper...
  10. M

    Has anybody here removed/plugged the IAC?

    I have a 1990 Silverado that I bought brand new, with in 6 months the IAC started raising the idle when you were just sitting at a red light. Chevrolet never could fix it so I ran the pintle on the IAC all the way in, unplugged the 4 conductor plug, taped it up and folded it back in the wire...
  11. M

    going from a digital to analogue HVAC controls

    Let me know if you want to sell the digital a/c and heat 5 button controller, I need one. Thanks, Mike.
  12. M

    Electrical Gremlins ready to burn down the truck

    Check the wire bundle that runs across the back of the firewall , I had a similar problem and the plastic strap that holds it up broke from years of heat and it fell down on the exhaust manifold and burned the corrugated plastic wireway and when it got hot and you hit a bump the bottom wires...
  13. M

    Front end noise

    I had noises like that and the rubber grommets were rotted out on both shocks. You could only hear it at low speed. Metal to metal on the bottom shock supports.
  14. M

    Complete rebuild question

    In Texas 25 years old, you just have to have a safety inspection, no emissions test. Don't know about getting rid of the PCM .
  15. M

    Transmission Problems

    TV cable, throttle valve cable, very important for influence on shift points, up - shift and down - shift on THM- 700r4, 4l60 transmissions.
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