O.k. I'm 2c short of a buck so there's what I have new knock sensor and ESC for a 350 motor and will be replacing the bosch 02 sensor with a matching 350 Denso quality sensor.
For the TPS readings here's what my results are.
Connector disconnected meter pos.+ gray wire neg.- black wire on the plug to the ECM key on
plugged in key on pos.+ blue wire neg.- black wire 1.43v increase throttle slowly even voltage increase full throttle 4.74 volts
Disconnected the battery to clear codes and took a drive on the streets and freeway.From a full stop punch the gas and no hesitation all power to the wheels with great response. Freeway driving fluctuating 55/85 total response even flow in all gears just full smooth feeling at all speeds.on the side street from a stop I hit the gas and let off with hitting the gas quickly again a few times to see if it would get too much gas or not enough but perfect response with no hesitation or jerking just power to the wheels. Feels nice with that extra HP.
At idle fully warmed up and driven in park 920 RPM'S In gear with break on 680 RPM'S but still pulling a code 43 I didn't have time to recheck the timing or put the vacuum gauge to see where I'm set but the last reading before changing the idle down the timing was set at 8-BTDC then with the vacuum gauge was between 19/20 holding steady.
Am I getting close? The truck is running good but it hasn't really been given a good hard day of driving or on the freeway with an steep grade to see how it responds with a load on the motor otherwise at idle she purrs but I must be off a little somewhere. I haven't changed the 02 sensor yet there's not enough time in a day anymore so I need to find the correct one for the new motor and the Denso brand is supposed to be a quality unit?