[Roadsters] Differentials

[Stephen Holst]

Don't forget the easy way to change gear ratios "engine relative to road".
Use a low profile tire,  The ratio changes by 10% with 185's relative to
stock in my 68 2000. Freeway speeds in 5th do not have the revs too high.
Steve


On 2/15/14 12:39 AM, "Gary and Cindy Ault" <aultgc at att.net> wrote:

> As if the speedos ever read accurately anyway......I drive by the tach more
> than the speedo on the highway.
> 
> Gary
> 
> 
> ________________________________
>  From: Bill Cole <datrock at centurytel.net>
> To: datsun-roadsters at autox.team.net
> Sent: Friday, February 14, 2014 5:22 PM
> Subject: Re: [Roadsters] Differentials
>  
> 
> Yes, you will feel the gear change, also going to a smaller diameter tire will
> have a similar seat of the pants feeling of having more torque. The R&T
> articles from the late 1960's has a new 1600 at 12.1 seconds while the S/U
> 2000 did 10.2 seconds in the 0-60 mark. I would bet on it that if the 1600
> used the 3.70 gears like the 2000 has, the time would be even slower..The
> 3.90's from the 1600 are a great match up for the u20/5speed combo, if the
> 3.70's are swapped out for the 3.90's also expect to need a different speedo
> pinion at the tranny to correct the speedo reading on your gauge...Bill
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