I'm in the planning stages of a daily driver 1996 S10 Blazer L33 engine swap.

The challenges:
Retain the original VCM due to ABS and other related chassis interactions with the VCM. Quote from:http://www.currentperformance.com/s1...custom-wiring/ "The ’96 model has an ABS control under the hood that is only used in ’96. This system is controlled by the stock truck computer and the wiring runs through the engine harness, whereas most other years have a separate computer and harness to control the ABS.

I've confirmed there is wiring (undocumented in All Data Online) from the 96 VCM to the ABS module. I figured if I have to keep the original VCM, I'd like to keep as much VCM wiring as possible, including the 4L60E transmission wiring. I'd like to keep the L33 PCM wiring to a minimum (bare bones). Washington State emission testing for the 1996 Blazer is read for OBD2 codes only.

The list of inputs I think are needed for the original VCM to operate the 4L60E:
VSS
Ignition Power
Ground
Battery
TPS (will be another challenge due to the L33 Drive by Wire system)
Brake Input
Ignition RPM Input???? (if required what RPM signal from the L33 PCM would be used?)
Custom Flash

Ideas and thoughts are welcomed

dave w