Post
Thu Nov 27, 2008 5:56 pm
2 ways to go
use an MS as fuel only and run you dizzy setup as per jetronic.
or swop in a motronic loom from a post sept 87 car, then you can have fully 3D mapped ignition and distch the dizzy as the trigger for the injectors.
you'll need the loom, trigger wheel, pickup and ideally use the later intake from the B25 too, whatever the case you need the fuel reg and High impedance injectors to ensure its all good
Re the wasted spark, its waaaaaaaaaay smoother than the dizzy setup and has the advantage of nothing to wear out, no mechanic losses, nothing for moisture to creep into etc etc. It will also lower the emissions a little once fully tuned and the wasted spark also has the added benifit of reducing combustion chamber temps on the "wasted" side of the spark as its dry fired.
with regard to the MS, to use as-is its jumper for an opto in conditioner circuit, to go crank sensor decoder all thats required is a move of the jumper provided the main ECU was built wioth ALL available options form the outset
Use a V3.0 or a V3.57 PCB, the older V2.2 is not worth seeking out now TBH.
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