> I checked with a friend on the difference in RPM between 3.90 and 4.10 and
> 4.30 and he has a slide rule type thing from his racing days he told me that
> 3.90 - 4.10 would add 400 RPM and 3.90 - 4.30 would add 825 RPM and 4.56
> would add 1325 RPM. Doesn't seem right 2100 - 3.55 and 2250 - 3.90 but as I
> said either tach or speedo could be off a little and throw this off. I will
> check with him and see what 3.55 - 3.90 should be.. Anyone else out there
> with V8 2WD Auto with any info on RPM at 70 MPH???
I tried it with my '97 Dakota (4WD, Auto, V8), and I was running 1900
RPM at 70 MPH. I believe I have the 3.55, and my truck has the Tire and
Handling package (31x10.5 tires).
-Dave
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D.J. Hannu dhannu@CENTURYinter.net
http://www.geocities.com/SoHo/5177
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