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5.7vortec
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  1. Chevy S10 Forum (GMC Sonoma)
    Hello all, My name is James and I just bought a 2000 s10 with a 4.3 5 speedand plan to put a 5.7 in it... Planned purchases. 1 transdapt kit 2 vortec 5.7 3 New radiator 4 e fans One question I have is will I need to modify the harness for the 2 injectors. Also I was wondering if...
  2. Chevy C/K Truck Forum
    I have a 1997 Chevy k1500 5.7vortec And it had a hornet security system 553t model.it started clicking and locking my doors and doing other funky stuff,now my truck will start and then die and I think it's because of this system shutting down fuel system.I did take it out and noticed some wires...
  3. Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)
    I have the 99 Tahoe 5.7 vortec. It’s had a problem with a hard start every time. And sometimes it will throw the code ignition coil voltage high. I changed the module out and still does it. And sometimes it runs rough and will throw bank 1 sensor 1 and bank 2 sensor 1 low voltage. The...
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