Lack of torque in 3.5 swap?
#42
found this regarding ignition timing on a 3.5 swapped 4th gen with 4th gen ecu that later swapped to the 5.5 gen ecu. explains quite a bit. the power dip in the rpms we mention, is when the 4th gen ecu retards the timing quite a bit, could contribute to the large dip in power at that rpm.
#43
The large dip in power is primarily a function of the modified VI. Even A33B's with their CVTC and more aggressive ignition timing between 3500-4500 RPM experience the same loss of power at the lower end. The ignition timing might have something to do with it, but it is not the main culprit. VE > ignition timing when it comes to the shape of power/torque curves.
#44
Originally Posted by chillin014
i can NOT get mine into spec. and i think thats what is causing my hesitation. Sometimes the car feels like it pulls the PROPER ammount and sometimes its holding back..its not always feeling crappy mid-range. Is it even possible to get the 4th gen TPS exactly within specs on the PF TB? i have mine pushed all the way clockwise to get it as close as i can.
#45
Originally Posted by accordingtou
Yes I set mines this weekend to .52v
and driving hte car tonight, i did not feel the delay of power...like i said, with mine its kinda intermittent. In fact, when im driving and holding the pedal 30 percent down steady and accelerating in gear it will actually buck a little between the slower accleration mode and the quicker one...usually when its off a cold start*
#46
Originally Posted by chillin014
is it pushed fully clockwise? im trying to figure out why im the only one with this problem.
and driving hte car tonight, i did not feel the delay of power...like i said, with mine its kinda intermittent. In fact, when im driving and holding the pedal 30 percent down steady and accelerating in gear it will actually buck a little between the slower accleration mode and the quicker one...usually when its off a cold start*
and driving hte car tonight, i did not feel the delay of power...like i said, with mine its kinda intermittent. In fact, when im driving and holding the pedal 30 percent down steady and accelerating in gear it will actually buck a little between the slower accleration mode and the quicker one...usually when its off a cold start*
No "fully clockwise" on my pftb tps reads.1v I used a snapon scantool
to read voltage while I adj the tps.
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