Originally Posted by fordplay
I had this discussion with my autoshop teacher when I was 16.. as both my Monte Carlo and trans am oil gauge bounced like mad and sat at 0 at every stop, and no other car (outside of gm did this) he said its the way gm measures it, if the pressure really fluctuated that much there would be a problem. I dont think the fords is an on off gauge.. and maybe its not sensitive enough to read 3 psi variations. But at idle.. it not sitting on the zero pressure peg
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The gauge in my Corvette was dead on precise. There was a range from 0 - 120psi with 60 in the middle iirc. Read 40 at a fully warmed up idle, but a cold start would read 60. Hard acceleration would be over 80, so you always knew where your pressure was at. When the engine started going south, I knew it way in advance because the pressure started reading 20 at idle. It's very good... no necessary information to have in a performance car.
-Alex
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