[F500] Final drive ratios

A. E. Trier qre-shadow at juno.com
Wed Dec 3 12:05:12 MST 2003


Bill,

Jeff gave you the correct answer to your question. Hope that helps you.

Art

On Wed, 03 Dec 2003 11:38:55 -0600 "Jan Schmidt" <jschmidt at kumc.edu>
writes:
> So? Do you add extra "donuts" to the shocks to get extra ground
> clearance?
> Bill Schmidt 88 Red Devil (Kaw)
> 
> >>> qre-shadow at juno.com 11/30/03 09:14 AM >>>
> Bill,
> 
> Ride height has everything to do with how you adjust your car and 
> very
> little to do with the tires. Getting on or off the scales reflect 
> the
> owners preferences on setup, the tires being only one part of that
> equation.
> 
> Art
> 
> On Sat, 29 Nov 2003 23:16:23 -0600 "Jan Schmidt" 
> <jschmidt at kumc.edu>
> writes:
> > I liked the idea of 18 inch tires , until I helped run the scales 
> at
> > solo 2 Nats. Several cars on the taller  19.5 inch tires couldnt 
> > hardly
> > get on the scales due to the belly pan dragging. I would imagine 
> it
> > would be impossible to weigh a car with the shorter tires.
> > Bill Schmidt 88 Red Devil (Kawa)
> > 
> > >>> reddevilsix at msn.com 11/29/03 16:09 PM >>>
> > Most people I know or have heard about are running a final drive 
> > ratio
> > of
> > about 3.3/1 Some people say that the Rotax engine powered cars 
> are
> > running
> > on the low side of 3.X/1 because of the higher top speed.
> > 
> > My final ratio is 3.3/1 and I am running the Kawasaki 440. This 
> > season
> > (2003) I changed from the 19.5 to the 18" tires. I did this 
> mostly
> > because I
> > thought this would be a easy way to change the response of my car 
> 
> > out
> > the
> > corners on a short track like Blackhawk, and it did.
> > 
> > I did not run Road America this year so I don't know if I would 
> have 
> > run
> > out
> > of clutch, but I doubt it. I did run at the MAM track in Council 
> > Bluffs,
> > Iowa this year and also had good luck there (well at least on 
> > Saturday)
> > 
> > Richard
> > 85 Red Devil
> > 
> > 
> > ----- Original Message -----
> > From: <BlueRace44 at aol.com>
> > To: <f500 at f500.org>
> > Sent: Monday, November 24, 2003 6:30 PM
> > Subject: [F500] Final drive ratios
> > 
> > 
> > > In the past there have been a few posts on final drive ratios.  
> 
> > Many
> > of
> > these
> > > were geared to the SoloII setup.  I am curious what type of 
> > ratios
> > different
> > > teams are running.  What changes, if any, were necessary when 
> > changing
> > from
> > > 19.5" to 18" tires?  How many guys are changing ratios for 
> > different
> > tracks?
> > >
> > > Thanks for any input.
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