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  1. S

    Electric fan conversion

    Did you change your t-stat or leave the 195 degree in?
  2. S

    A/C Condenser Fan/Wiring Issue, and a TPS Question...

    Interesting. I have a 3 core aluminum radiator with two 14" cooling fans. My temp stays at about 190 in the summer unless I am idling or going 10 mph, then it heats up to 210-220. I have 1 a 180 degree thermostat. After reading your post it sounds like a have the same problem
  3. S

    New cowl hood

    Made the vents functional
  4. S

    Whats the problem

    Replaced the MPFI, trouble codes PO337 and PO339 went away. Now I have the CMP code showing and so I have to find a scanner or app to set the CMP retard offset...........
  5. S

    Whats the problem

    Update. I removed the upper intake manifold, found some leakage from fuel injectors in the back. I replaced the MPFI unit, with a new standard MPFI. The missing codes went away, it starts up and runs good for about 5 to 8 minutes. When it gets to operating temperature it would sputter and die...
  6. S

    Whats the problem

    What should the fuel pressure range be. I am getting within 60-66, key on no start. About 56-57 psi idle and running. The fuel prssure does bleed down within a couple of minutes from 56psi to about 45psi and then 40psi after about 5 min.
  7. S

    Whats the problem

    I have new gaskets on intake both upper, lower and the throttle body
  8. S

    Whats the problem

    I have a 1996 k1500 with new 383 vortec engine. Trucks starts up, runs but under throttle throws p0300 code. After it warms up 5 to 8 minutes, it starts to sputter and die. It does this consistantly after it warms up and usually around 1500 + RPM. New fuel pump that has key on 60-66 psi. Runs...
  9. S

    Engine explosion

    This is one of the options I am considering Th anks This is one of the options I am considering.. Thanks for the info
  10. S

    Engine explosion

    Long story short, The previous owner put in the new engine, had a fire that burned up the engine wiring harness and etc.... I towed truck home, found little oil in the engine, complete mess to work on. Rocker arms were out of adjustment to begin with (so I have no idea of previous owner tried...
  11. S

    Engine explosion

    New oil/filter low rolling hills running about 60mph, about 3000 to 3500 rm pm's and trans was automatically downshifting kicking rpm's up to 4,000 to 4500 rpm's. Starting losing power, blowing white smoke and then thumping noises. Probably threw a rod, bolts or cap ends. Lost all antifreeze...
  12. S

    Engine explosion

    I was towing a 6,000lb trailer, transmission would keep downshifting to 2nd and the engine exploded. The man I brought the truck from just put a new 5.7L vortec from summit in the truck. It blew rod caps I believe through the oil pan. Any ideas on the best company to buy a new crate engine. I...
  13. S

    4L60E

    1996 4L60E with 15,000 miles on a rebuild. Trans with shift into forward gears, will shift into reverse. Rpm will drop, but it will not back up unless I mesh the throttle. Then it will back up slow like the trans or brakes are dragging???? Fluid looks good, proper level and not burnt.... It...
  14. S

    Rocker adjustment

    I have a question in regards to valve adjustment. I have a new 5.7L vortec, have adjusted the valves acccording to Chilton's manuel. It indicates 3/4. What concerns me, is some intake valves are set on #1 top dead center, but when I rotate the crank 360 degrees and have #6 on top dead center and...

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