Fuel tank sizes?

		Rotary Car Club > Tech Discussion > RX-7 2nd Gen Specific (1986-92)
Fuel tank sizes?

RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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03-06-2011, 02:34 PM

#17

Rotary Evolution

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Quote:

Originally Posted by RETed

I have no idea what you are talking about...

If it was indeed fraying, there would still be electrical contact.
When the wire completely broke, it would obviously lose signal.
Even if you had one wire still intact, the voltage is low enough that one strand of wire would still provide an adequate signal.

I just changed my fuel level sender in my 1987 turbo and saw no evidence of "frayed" wiring.
It was the potentiometer resistance sweep (common problem for any type of (non-sealed?) potentiometer) to degrade this way.

-ted

take a pill...

when the wires are worn the resistance gets thrown off giving a less accurate signal at the lower fuel level range where the most wear generally is. eventually the wires break and the gauge reads zero before the tank is actually empty, i figured you could gather what i was getting at. i have seen a number of 2nd gens with frayed wires below 1/4 tank which worked fine up until that point then dropped to 0 on the gauge as soon as they hit the bad spot.

Last edited by Rotary Evolution; 03-06-2011 at 02:39 PM..

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