You're right. I didn't know about the 1.16 primary reduction which is
why:
A: my original calculations were 16% off
B: I was looking for a ratio that was 16% taller (4.75)
Looks like the 4.3 or 4.44 ratio is the best way to go on this one since
they keep 2nd gear redline at 60+.
Thanks again for the info. None of the specs I looked at even mentioned
the 1.16 primary reduction ratio.
> -----Original Message-----
> From: Bradley Lamont [mailto:lamont@mailhost.org]
> Sent: Friday, April 25, 2003 10:16
> To: Mike Clements
> Subject: RE: S2000 ring & pinion ratio question
>
>
> At 11:59 AM 4/25/2003, Mike Clements said:
>
> >Problem is, the stock gearing still is way too tall: 80+ MPH in 2nd
> >gear and hard to get out of the hole from a standing start.
>
> Are we talking about the same car? The gearing on the Honda
> S2000 is as
> follows:
>
> gear ratio final reducer overall Top speed
> 1 3.13 4.1 1.16 14.886 43
> 2 2.05 4.1 1.16 9.750 66
> 3 1.48 4.1 1.16 7.039 92
> 4 1.16 4.1 1.16 5.517 117
> 5 0.97 4.1 1.16 4.613 140
> 6 0.81 4.1 1.16 3.852 167
>
> The reason it feels like it's hard to do a jack rabbit start
> is because the
> car has no torque off the high-RPM cam.
>
> >The car feels
> >like it wants more gear and with a 9000 RPM redline there's
> no reason
> >to fear the gear.
>
> With the stock gearing, it runs about 3000 RPMs at 60 MPH in 6th
> gear. Shortening it up will make highway cruising painful and will
> increase engine wear and tear.
>
> >I figure a 16% shorter (numericall bigger) ratio is about
> optimal: 16%
> >more acceleration in every gear, easier to get out of the hole, yet
> >still able to hit 65 or so in 2nd.
>
> You must be using the wrong ratios in your calculations. If
> you shorten
> the gearing by 16%, 2nd gear will only go to 55 MPH which is
> way too low IMHO.
>
> Brad
>
> --------------------------------------------------------------
> -----------
> Bradley Lamont lamont@mailhost.org
> #93 BS - 2001 Honda S2000 Spa Yellow http://www.over6racing.com
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