The way I understand it, the 40pp driveshaft sensor is used as a input for the VSSB, and then the VSSB outputs a 2000ppm, and 4000ppm signal to the PCM. I think the 2000ppm and 4000ppm sensors can be fed directly into the PCM.
The way I understand it, the 40pp driveshaft sensor is used as a input for the VSSB, and then the VSSB outputs a 2000ppm, and 4000ppm signal to the PCM. I think the 2000ppm and 4000ppm sensors can be fed directly into the PCM.
1978 Camaro Type LT, 383, Dual TBI, '7427, 4L80E
1981 Camaro Z-28 Clone, T-Tops, 350/TH350
1981 Camaro Berlinetta, V-6, 3spd
1974 Chevy/GMC Truck, '90 TBI 350, '7427, TH350, NP203, 6" lift, 35s
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