According to fordfuelinjection.com, the Ford VSS is 8 pulse/rev, and an assumed 8000 pulse/mile.
That sensor you linked to would be great in that it should plug right in to our speedo cables (but the thread pitch needs verified).
My jury is still out on whether the difference would be an issue. Using the Summit sensor would tell teh EEC that you're doing 10 mph when you're only doing 5, eventually you'll be stopped but EEC thinks you're still moving. I don't know how sensitive/critical it would be at walking speed (like creeping in a line of cars toward a 4-way stop). If it were reversed (sending a lower speed than actual) I'd be more confident it would be OK.
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What mopar distributor did you find that has a similar wheel & sensor?
As for the wheel and sensor: I read 2-3 stories on 5.0-Mopar EFI and didn’t like those cut-n-splice dizzy conversions, so I disassembled 2 Ford and 3 Mopar dizzys. I spent several weeks of thinkin’, researchin’, junkyardin’ and CADdin’ on these trigger wheels trying to find a simpler solution. I looked for off-the-shelf adapter bushings to adapt the Ford wheel to the Mopar shaft but didn’t find anything that I thought would work well (and the sensor would be tough to mount, too). I’m not ready to put my findings out there yet, for the following 2 reasons.
#1: I don’t have a setup to compare/test the electrical output signals yet.
#2: I’m hoping you guys might come up with an even better idea . (For example, I never thought of using a flat disc!)
Chew on it for a while – what other autos might have shutter wheels & sensors, and how could we research those parts via the internet???
I don't know how sensitive/critical it would be at walking speed (like creeping in a line of cars toward a 4-way stop). If it were reversed (sending a lower speed than actual) I'd be more confident it would be OK. 