Stop in for a cup of coffee

WV64Signet said

Minor difference really...

Input Parameters Are the Following:

• Differential Gear = 3.11 to 1
• Transmission Gear = 1.00 to 1
• Tire Diameter (Inches) = 28.00
• Vechicle MPH = 60

Computation Results:​

• Computed Engine RPM is 2240

1 inch taller tire

Input Parameters Are the Following:

• Differential Gear = 3.11 to 1
• Transmission Gear = 1.00 to 1
• Tire Diameter (Inches) = 29.00
• Vechicle MPH = 60

Computation Results:​

• Computed Engine RPM is 2163

[URL][URL]http://www.bgsoflex.com/rpmmph.html[/URL][/URL]

Click to expand...

I'm still planing on driving it out to Pittsburgh the first week in June so even a bit lower in RPM is better.
Might look into changing rear end gears but never done a ring and pinion so might have to learn. Thanks for the info. Chris.