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Re: Final drive ratio question (fwd)

To: josa@force.de
Subject: Re: Final drive ratio question (fwd)
From: Jochen.Saal@t-online.de (Jochen Saal)
Date: Wed, 14 Jan 1998 23:54:47 +0100
Cc: triumphs@Autox.Team.Net
References: <3.0.4.32.19980113135044.008fdba0@pacbell.net>
Barry Schwartz schrieb:
>
> >2. After much consideration, I'm going to rebuild my TR6 with a J-type
> >overdrive and high-torque / fast road setup. Ultimately, I'm more
> >interested in acceleration than top end, so what diff ratio suits me
> >best?
> ************************
> For sheer acceleration *usually* the higher numerical, lower ratio (3.7:1)
> will give you more acceleration, at the expense of higher speed at the top
> end.  It depends somewhat on the gear ratios in your transmission also in
> that you could install a lower rear end ratio but the gearing in the tranny
> is such that first is almost useless, (5000 rpm comes up so fast and your
> only traveling say 10 mph as an example) that you end up using second for
> first, and that's maybe just a little too tall to be an effective first -
> you get the picture.  Selecting ratios *can* be a time consuming, and
> frustrating experience.  To do it effectively probably requires more work
> than one would normally want to go through, although there are some quite
> effective programs on this web site that you might just find useful - 
>
> http://sura1.jlab.org/~bowling/auto.html 
>
> There are some effective tire/gear/rear end ratio formulas that may give
> you some ideas
>
>
> Barry Schwartz   (San Diego)
> bschwart@pacbell.net
>
> 72 V6 Spitfire (daily driver)
> 70 GT6+ (When I don't drive the Spit)
> 70 Spit (Currently undergoing a frame off)
> 73 Ford Courier (parts hauler)
>



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