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05-27-2012, 09:10 AM | #1 | |
AF Regular
Join Date: Apr 2005
Location: columbus, Indiana
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85 300zx gauges
I have an 85 300zx turbo with a 5 speed. The main cluster of gauges has the speedometer, tachometer, fuel, and temperature of the engine/coolant. Off to the side above the radio there is an oil gauge, which seems to have yet another engine/coolant gauge? It is above the oil gauge and doesn't work. Is this a completely different gauge? And then I have the boost gauge. What should this gauge read? It starts at -7, the middle is 0, and the end is 7. While at a stop the gauge will read at the middle mark between -7 and 0. Under heavy accelaration the gauge gets just about to the 0. I have no idea how to read this gauge. Any help would be great.
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07-29-2012, 02:18 PM | #2 | |
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Join Date: Mar 2007
Location: canton, Ohio
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Re: 85 300zx gauges
Old thread, but I can answer it anyway.
The extra gauge is oil temp. Boost/vac gauge should read low at idle/deceleration, around zero at cruise, and some positive number under heavy acceleration (not sure what factory boost is for 85, but its less than 7 psi). If yours stops at zero when accelerating, then you have an issue with the gauge, sender, lines, or turbo. Its either not reading right or the turbo isn't making boost. |
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