This test has never produced reliable results for me. However do the same
test with all four wheels on the ground will always get a true ratio. This
will not be errored by slippage that can occur with one wheel off the ground
( excluding locked rearends). It's more accurate but not easier.
Gene
----- Original Message -----
From: "Robert Wiseman" <robman@telocity.com>
To: "Alpines" <alpines@autox.team.net>
Sent: Wednesday, November 29, 2000 6:16 PM
Subject: Temp & Gear Ratio
> Well tonight I did investigating.
>
> #1. Temp Gauge/Sending Unit.
> When I turn on the ignition, the gauge jumps to 90.
> I have the same volts reading at the gauge and the sending unit
> Someone suggested that I remove the sending unit, suspend it in
boiling
> water and check the gauge. No Change.
> Ran engine 15 min. Drove around block several times. No change in
> gauge.
>
> Does this mean I need a new sending unit?
>
> #2. Trying to determine my gear ratio in the rear end.
> Jacked up one wheel, marked the drive shaft, and the wheel
> Turned wheel 1 rotation.
> Drive shaft turned not quite 2 rotations.
> Did the same with my spare rearend. Same result.
>
> What does that tell me about my gear ratio.
> or should I have jacked up both wheels?
>
> Thanks,
> Rob
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