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Re: 5-speeds and diff ratios

To: "Phil Vanner" <philv@pclink.com>, "spridgets@autox. team. net" <spridgets@autox.team.net>
Subject: Re: 5-speeds and diff ratios
Date: Thu, 12 Apr 2001 13:16:00 -0700
Phil -

Here's the table:

Stock Sprite RibcaseLeyland CR RibcaseDatsun 210 5-Speed
GearGear RatioRPM Red.GearGear RatioRPM Red.GearGear RatioRPM Red.
13.200-12.573-13.513-
21.91640.121.72233.122.1738.2
31.35729.231.25527.131.37836.5
41.00026.341.00020.341.00027.4
50.84615.4

Clay L

At 03:51 PM 4/11/01 -0500, Phil Vanner wrote:
>OK, all you five-speeders out there:
>
>What are you running for a differential ratio, and how do you like it?
>
>I'm about to send my flywheel and Datsun shift lever to Paul at
>Morriservice, and in order for him to create my speedo cable he needs to
>know what my diff gearing will be. So I have to decide.
>
>I'm running a 4.22 now but I have access to a 3.9. Engine is a 1275, a
>little hotter than stock. Am I crazy for even thinking about keeping the
>4.22? I do like the off-the-line response I have now.
>
>Will 5th be enough to keep my revs down even with the 4.2?
>
>Are the 5-speed's ratios close to the ribcase? Or is first even shorter, so
>that with a 4.2 it's almost useless? Does the gap between 2nd and 3rd get
>too wide with the taller rear?
>
>Any input, opinions, wisecracks, and experiences appreciated.
>
>Phil Vanner
>'61 Midget

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