Thread: Will I need a new tune??
View Single Post
  #3  
Old Tue, October 6th, 2009, 01:59 PM
Power Hungry's Avatar
Power Hungry Power Hungry is offline
The Godfather of Power Stroke Tuning
  
Join Date: Nov 2008
Location: Winder, GA
Posts: 2,271
Power Hungry has much to be proud ofPower Hungry has much to be proud ofPower Hungry has much to be proud ofPower Hungry has much to be proud ofPower Hungry has much to be proud ofPower Hungry has much to be proud ofPower Hungry has much to be proud ofPower Hungry has much to be proud of
Default
The gear change with no tire size difference equates to a 21% difference.

I've attached a really neat calculator that will take tire size, rear gear ratio and transmission ratios to provide an RPM per MPH value for each gear. Hopefully it's useful.

Take care.
Attached Files
File Type: xls RPM vs MPH Calculator.xls (31.5 KB, 0 views)
__________________
Bill Cohron - The Mad Doctor

Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997!
(678) 890-1110

www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar!

Bring back Windows™ XP and 7.
Windows™ Vista and Windows™ 8 is a pain in my a$$!
Windows™ 10 is only slightly less annoying!
Windows™ 11 is garbage!

Much to my surprise, I'm actually quite enjoying Linux!
Last edited by Power Hungry; Wed, October 21st, 2009 at 12:25 AM.
Reply With Quote