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Posted by Bruce in BC [24.207.116.94] on Friday, August 26, 2011 at 11:19:09 :
In Reply to: Adding a TACH to a 4bt? posted by Gary D [50.40.165.187] on Friday, August 26, 2011 at 09:11:58 :
you can place a pickup in your trans adapter that reads the ring gear teeth - SW and others can do this .
There is a mechanical drive that cummins makes that comes off the front of the timing case cover - ugly and takes up room .
Alternator tachs are quite common way to go
Some have cut some notches in the front balancer and adapted a dodge sending unit .
I went the ring gear route.