Jeep Gear Ratio Chart. When you change your tire size you need to make sure you have the right gearing to get optimal fuel economy and power. Here at jeephut we have a made an easy to read chart to help you decide what is on the best gearing for your jeep.
Jeep tj general drivetrain specifications.
A chart showing optimal gear ratios for lifted vehicles with larger tires to obtain the best power ratio. Essentially you'll want to follow a formula that looks like this The reduction in gearing = an increase in torque at the tires. If you're comparing the gearing chart to something like this, it would be virtually the same as the engine is only ever so slightly tweaked in the low rpm not impacted, and the charts are calculated at 1:1 so 4th & 6th gear in the new manual & auto respecively versus 5th and 4th in the old mt/at.