you can still have you factor sensor and the sending unit for the gauge hooked up. I DO NOT recomend putting the sending unit on the block. Get you some rubber oil lines and connect the sending unit to your rack and pinion run the lines along with the correct fitting into the back of the block. use a t to connect the stock oil sensor and the sending unit to the oil lines from the back of the block. VWALLA finished and you dont have to worry about breaking the big heavy sending unit off in the block.
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