James,
If I can just but in, the easy way to work out speeds in gears is to take
the tyre circumference and multiply by 60. Then divide by the diff ratio.
This gives the speed in 1:1 gear. For the rest of the gears divide by the
gear ratio (ie 3.3, 2.0, 13 etc).
Cheers
Feral Errol
mailto:[EMAIL PROTECTED]
http://www.datrats.com.au/
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of jamesf
Sent: Friday, April 27, 2001 8:58 PM
To: [EMAIL PROTECTED]
Subject: Re: Speedo guru
Hi Terry
How you going? thanks for sorting out those
unsubscriptions recently (well ages ago now :)
I am just trying to work out the best tyre size
for the race car...
I had a bit of a search through old archives and
it seems you may have just what I am after...
I need to work out the combinations of wheels,
final drive ratios, Max speed at RPM etc
Can that spreadsheet you have help me out there??
regards
James
Terry & Heather wrote:
> Pete,
> I can run that through my gearing spreadsheet but I'll have to dig up how
many
> rev/mile the yokies do.
>
> terry (i'll be back)
>
> Peter and Trace wrote:
>
> > Hi all,
> > My speedo is reading ~13% high ( checked against GPS) what
speedo drive do
> > I need? Datsun 1600, Z18ET 5 speed, 3.9 diff, 205/60 13" Yokie 352s.
> > Thanks,
> > Pete.
>
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