<VV> Normal RPM Range on Freeway

[Derek Archer]

nope, the tires are 23.5" tall, so my tach is probably a little off. No 
surprise considering how old the tach is.

On Jul 28, 2004, at 11:14 AM, Bill Elliott wrote:

> That's pretty close...but a little high.
>
>  Assuming your tire is about 23.5" tall, then the formulas say you'd 
> be turning 69mph at 3500rpm.
>
>  Shorter tires would bring you closer to what you're seeing.
>
>  Bill
>
>  On Wed, 28 Jul 2004 10:53:57 -0700, Derek Archer wrote:
>
>  >On my '64 spyder, when going 70 MPH in 4th gear with the spyder
>  >standard 3.55:1 diff, my tachometer reads around 4000 RPM! I think 
> this
>  >is a bit high, but then again, the tach may be slightly off. Normal 
> or
>  >not?
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