Upon Modified by KC‘s installation of the the Borg Warner 8374 turbo, Rull Race manifold, and custom fabricated our Vibrant Performance exhaust system, it was time for dyno tuning. Unfortunately, it wasn’t until then that we realized we were limited in fuel. At 95% duty cycle from the injectors, MKC tuner Chad Charlton decided that we were either running out of injector, or fuel pump, or both, due to the what also was a drop in fuel pressure at the top end of the curve.
Given the age of the car, we made the simple decision to replace the whole fuel system, including the lines. With an older car, the last thing I want is something going wrong with the fuel. In fact, I already had noticed that every time the car was cold started, if I shut if off right away it wouldn’t start again because the injectors would flood the engine and, as a result, the car would have to sit for an hour before restarting. The only way around this was to keep the car running for several minutes after a cold start. I suspected leaky injectors. With the new system, this should be a thing of the past. Okay, let’s get on with it.