Topic: what gear should I re-gear to?

[alnobles]

I have got to get more top end out of my 4 banger or someone is going to run me over!  I've heard re-gearing is the best way to go, but I don't know what I should re-gear to.  I'm driving a '97 tj with 31's and a 2" lift.  Any help would be greatly appreciated.  Also, what kind of speed increases will this get me?  Thanks.

[Oilsmoke]

Well you need to state what tranny your jeep has. Planned upgrade for the future. tires  engine mods etc...
than i am sure you will get a few answers.

[Jeffy]

I have got to get more top end out of my 4 banger or someone is going to run me over!  I've heard re-gearing is the best way to go, but I don't know what I should re-gear to.  I'm driving a '97 tj with 31's and a 2" lift.  Any help would be greatly appreciated.  Also, what kind of speed increases will this get me?  Thanks.

http://www.4bangerjp.com/forums/viewtopic.php?t=173

[alnobles]

Well you need to state what tranny your jeep has. Planned upgrade for the future. tires  engine mods etc...
than i am sure you will get a few answers.

I've got a 5sp. manual and no plans to go bigger on the tires.  if I go to 4.88 instead of 4.56, what will happen to my gas mileage?

[Jeffy]

Well you need to state what tranny your jeep has. Planned upgrade for the future. tires  engine mods etc...
than i am sure you will get a few answers.

I've got a 5sp. manual and no plans to go bigger on the tires.  if I go to 4.88 instead of 4.56, what will happen to my gas mileage?

Go here and plug in the ratios for the transmission, transfer case and axle and it will give you a chart that plots RPM's to your speed.  Look at your shift points and you'll get an idea what ti will be like to drive at those RPM's.