There is a way, Some guys over at www.ford-diesel.com did it on the 94-97 PSD. Its pretty complicated though, and it involves soldering on the circuit board for your gauges. do a search over there and see what you can find out.

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BigBunnell

98 F150 4X4 XLT flareside V6 5sp K&N Flowmaster and some other goodies

 

I was told (and it appears to be true!) that our oil pressure gauge does not vary its reading. It shows zero OP, or about 3/4 of the scale. No in between! It's worse than an idiot light! I've checked it cold, hot, idle, and high revs....no change. Is there a way to make it actually funtion like a gauge? Dave C.

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'97 F-250 LD 3dr 4x4 5.4 (toy hauler). '86 Buick Grand National 3.8 SFI Intercooled Turbo V-6 (wifes summer toy). '87 Buick Turbo-T 3.8 SFI Intercooled Turbo V-6 (my summer driver/weekend racer. Nearly stock, 12.3 @ 111mph) Dsbncouillard@cs.com