Lani,
What size tires are you using?
On my chart, 50.40 mph is the road speed one would get at 3500 rpm on
165x15 radials. With those tires and a 4.55 ratio, one would achieve
about 56.70 mph.
Have you considered 4.3? 3500 rpm would give 60.06 on those tires.
Bob
On Fri, 14 Jan 2000 10:00:45 -0500 "Lani Spahr" <lani_spahr@agilent.com>
writes:
> I'm going to take advantage of a Moss Motors sale and buy the kit to
> fit a
> lower ratio rear axle into my 51 TD. My question is this: when
> cruising now
> I run around 3500 rpm at 50 mph. What kind of decrease of rpm can I
> expect
> with the 4.55:1 ration from Moss at 50mph? Secondly, it this a
> straight
> ratio calculation? By this I mean:
>
> 4.55/5.125 = 0.8878 thus 3500 * 0.8878 = 3107 rpm
>
> Cheers,
> Lani Spahr 1951 TD #5550
>
> Bruckner Symphony Versions Discography
> http://people.ne.mediaone.net/lspahr
>
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