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  1. L

    Been a little tinker crazy lately.

    I have 96 chevy C1500 with 5.7 with 237,000 w/ poppets still, I've had same upgrades on it since about 98-99 ish. Air intake, throttle body spacer, did cap and rotor, MSD wires, Flowmaster, and hypertech computer. Been tinkering with Throttle body and spacer, Bored them both out to 78 mm...
  2. L

    Long tube headers on 5.7 96 vortec

    I want to run these headers. Has anyone modified them to work with 5.7 vortec SFI? Are exhaust ports same on TBI as SFI? http://m.summitracing.com/parts/pte-h8059 All O2 sensors are in Y pipe. All that would need to be added is a tube back up from collector to head for fitting to go in on...
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