Thanks for the info.
I appreciate all the comments I get when I come to the list with a question.
Rob
----- Original Message -----
From: "Victor Hughes" <v.hughes@student.canberra.edu.au>
To: "geewillie" <geewillie@email.msn.com>
Cc: "Robert Wiseman" <robman@telocity.com>; "Alpines"
<alpines@autox.team.net>
Sent: Thursday, November 30, 2000 8:51 PM
Subject: Re: Gear Ratio
> When you've turned the wheel once it takes up any 'slack', after that the
ratio
> of tailshaft to wheel will be OK. The other thing is, with one wheel on
the
> ground the other wheel will only turn 1/2 as much as with both on the
ground (as
> I neglected to realise initially). Remember Rob isn't trying to calculate
an
> exact ratio, he's trying to decide between two (3.89 and 4.22).
>
> Certainly, if you were trying to calculate an exact ratio 4 wheels on the
ground
> is more accurate but it requires more effort and you still have the
problem of
> deciding what fraction of a turn the tailshaft has made (ie how do you
decide
> what .89 of a tailshaft turn looks like?) This of course can be largely
> ovecome (even using the one wheel off the ground method) by simply turning
the
> wheel 10 times instead of once.
>
> Vic Hughes
>
> geewillie wrote:
>
> > 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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