Recent content by JPetroJr

  1. J

    94 silverado motor install/ wiring issues

    I have a 1994 silverado. I wiped out the cam so I pulled the motor to do cam swop. All went well. Now I don’t have wipers a/c or cruise. Do I have a ground issue that would effect all three?
  2. J

    Carbureted vortec heads

    Sure thing buddy. I will start going over everything when I get to the shop in the morning. Thanks for the help
  3. J

    Carbureted vortec heads

    Fuel pressure is 7. HEI in cap coil new. Accel 8 mm wires new. All check out good. AC DELCO plugs new gapped at 45. Is 45 correct for vortec heads? Summit says 60…
  4. J

    Carbureted vortec heads

    I have a 94 350 5.7 with summit vortec heads. 750 cfm holley. What should the plugs be gapped at. Been told 45. Been told 60. 45 doesn’t run to good…bogs and stumbles.
  5. J

    TBI rebuild

    I have rebuilt my 5.7 TBI motor. Bored 40 over summit vortec heads 265 lift comp cam 110 lobe separation rebuilt stock TBI all new parts and sensors. I have been reading I have to much cam. Truck is running with high ignition 37-40. Stumbles on take off and surges some while driving. Does anyone...
  6. J

    Ignition timing problems

    Thanks for the info. Now I have something to go by. I was watching and scrolling the scanner but didn’t have a clue what I was looking at. I can reread the thread while I’m scanning. Thanks, let’s see what we come up with
  7. J

    Ignition timing problems

    Fuel pressure is good. Using a wieand intake no egr. Crank is top dead center no cam was not degreed was told by summit put 0-0 and that was it. Got a scan tool but don’t really no what to look for . To start with it showed a 15 -33-42 code. Cleared them drove truck and still no codes coming back
  8. J

    94 5.7 TBI ignition problems

    Yes sir it is stock TBI. Don’t really understand the computer part I am more old school than that. I know this stuff has been around a while but I’m not up on it at all
  9. J

    Ignition timing problems

    I have bought a 94 silverado with cracked heads. I built the 5.7 motor. 40 over summit vortec heads oversized comp cam 468 lift 110 lobe separation. All new parts and sensors except crank. Rebuilt TBI with new injectors IAC and TPS. Base timing at 0 computer unplugged. Plug up computer timing at...
  10. J

    94 5.7 TBI ignition problems

    Thanks
  11. J

    94 5.7 TBI ignition problems

    Stock chip..vortec fuel pump. Runs a lot better with the new pump but still stumbles
  12. J

    94 5.7 TBI ignition problems

    Stock chip…vortec fuel pump
  13. J

    94 5.7 TBI ignition problems

    Hello. I am new to this forum. This one seems to be getting good results. I have a 94 silverado that I bought with cracked heads and decided to build back but has been a nightmare. New summit vortec heads comp cam 268/454 110 love separation. Bored 40 over. New everything except crank. Cannot...
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