three pin is okay but you better get an infrared or some kind of temp gauge to double check the reading because it will be way off. Mechanical is a smart way to do it but you lose the dash readout. If you have an idiot light like my 92 had then the mechanical gauge is 'da bom!
Last edited by RedHeartbeat; 06-21-2012 at 11:30 PM.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
So I need to plug in the nelson harness into my new motor and drill and tap or place the old sensor somewhere in the coolant system correct?
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