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  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

    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.
  3. 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...
  4. 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...
  5. 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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