Re: [ihc] RPM, Gearing formula needed

["Ryan Moore" <baradium@xxxxxxxxxxx>]

Beat me to it!

But this one will give you the rpm with any tire size you want with no
calculations on your part!

http://www.tmcom.com/%7Etsm1/scout/faq/ScoutRatios.html

and I bet this one will help some too!

http://lang.hm/scout/nph-performance6.cgi

First one is Tom Mandera's, second is David Lang's....

-Ryan

----- Original Message ----- 
From: "Allan Ericson" <lowvolt@domain.elided>
To: "ROCKY LEAR" <rockylear@domain.elided>; <ihc-digest@domain.elided>
Sent: Monday, September 08, 2003 19:02
Subject: Re: [ihc] RPM, Gearing formula needed


> Try the RPM wizard on the binderbulletin. Calculate at 60 and multiply
times
> 1.333
>
> http://www.binderbulletin.org/techlib/wizards/rpmwiz.asp
>
>
> ----- Original Message ----- 
> From: "ROCKY LEAR" <rockylear@domain.elided>
> To: <ihc-digest@domain.elided>
> Sent: Monday, September 08, 2003 4:06 PM
> Subject: [ihc] RPM, Gearing formula needed
>
>
> > I am trying to figure out my gearing questions. Maybe someone here can
> help. I know that there used to be a formula for calculating oversized
tires
> that used to be in some of the 4x4 mags but darn if I can find it now. I
> want a truck that will run 80 mph without too much winding. Here is what I
> have:
> >
> > Two gearing options I have are 4:88 and 6:17
> >
> > 44" tall tires, actual measurement may be closer to 45"
> >
> > An OD out of a 71 t-all...what is that model number any way? T34?
> >
> > Is there any way to determine what my RPM will be at 80 mph in OD?
> >
> > I am simply guessing from past experience that the tires alone will put
> the 4.88's in the equivalent of a 3.50-3.70 range.
> >
> > Is ther any way to figure out this?
> >
> > A free 6 pack of your choice to anyone who can give me definite answers!
> >
> > Rocky
>


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