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  1. M

    way too rich

    My truck, at idle, is pegging both the fuel trims. Bank 1 a bit more than bank 2. The engine is built and i expect Some demand for more fuel but not 75% at idle. Removed the bank 1 exhaust pipe after the collector to replace the trans cooler line and the pipe was very white. It looks very...
  2. M

    GOOD long tube headers? (4wd)

    Looking for Stainless headers that are actually high quality and fit well? (vortec engine) Suggestions? Exhaust is stainless but Im not opposed to non stainless headers with a coating. I just want some high quality headers worthy of tig welded stainless exhaust. 600hp with spray.
  3. M

    O2 Sensor failover???

    If one of the upstream sensors fails, will the ecm still trim based on the other sensor? 96 k1500.
  4. M

    No Ignition pulse to coil (or ignition module)

    Hey guys, I have a no spark condition on my truck. 96 k1500. 5.7. the coil and ignition module both test good, but i stuck a new module on it just in case, to no avail. After inspection, I found that the signal wire going to the coil does not pulse at all. in fact it does nothing. I...
  5. M

    Design and build throttle body

    Hey guys. I'm progressing on my truck and I'm almost ready to start tuning. Im going to be drivable in a couple weeks, but I'm 100% sure the intake and spidee are going to be a problem. I've looked around and i cant really find a throttle body replacement that will do what i want, so i...
  6. M

    My 96 K1500 money pit....er... adventure.

    Hey guys. I finally have some time to get on the internet and figure out what I'm going to do with this truck I bought. This is a LONG read, but i wanted to put everything in one place, so that over the next year or so, I have a complete history I can point at. The truck is a 96 Z71. I...

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