1975 Chevy Blazer HOW TO SOLVE THE PROBLEM

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BLAZN75
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1975 Chevy Blazer V8 Four Wheel Drive Automatic

HELLO PROS!...I HAVE A 75 CHEVY BLAZER 350 ENGINE 4X4 HEI ...IT WAS TIME FOR ME TO DO A TUNE UP ON THE BEAST ..RUNNING FINE JUST TIME TO DO IT...SO I CHANGE CAP ROTOR PLUGS WIRES AIR FILTER FUEL FILTER...GET IT DONE DRIVE DOWN THE ROAD AND IT RUNS LIKE CRAP..SO I CHECK AND RECHECK THE WIRES AND FIRING ORDER ITS ALL GOOD AND STILL RUNS CRAPPY...SO I TAKE IT HOME AND CHECK IT AT NIGHT AND ITS LIKE A LIGHT SHOW..SO I FIGURE I GOT A BAD SET OF WIRES SO I GET NEW ONES AND STILL SAME PROBLEM..SO I DECIDE TO PUT OLD PLUGS CAP AND ROTOR BAK ON AND STILL THE PROBLEM EXISTS ...I HAVE RUN OUT OF IDEAS AND WOULD APPRECIATE SUM HELP THNKX
Apr 27, 2010 at 3:54 AM
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RASMATAZ
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If there's no light show anymore and sparkplug gap is correct and F/O check and test the distributor pick-up coil and ICM
Apr 27, 2010 at 4:32 AM
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BLAZN75
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THERE STILL IS A LIGHT SHOW AND THE PLUGS ARE GAPPED CORRECTLY..FIRING ORDER IS CORRECT ALSO..
Apr 27, 2010 at 5:01 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure and ignition timing
Apr 27, 2010 at 5:23 AM
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