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Need more power

659 views 6 replies 6 participants last post by  Sudcalifornio 
#1 ·
New to the Jeep world. I bought a 99 wrangler, 4cyl, 5spd. Has a 4 inch lift and 33/12.50/15 tires and 4.10 gears. Can not use 5th gear except going downhill. I know that changing to smaller tires will take care of this but I run off road a lot and the bigger tires make a diference in the mud and sand. My question is what would be the most bang for the buck? Swapping in a bigger motor or a gear swap to 4.88's or 5.13's?
 
#3 ·
4.56 if you're sticking 33s. 4.88 if you want 35s
 
#6 ·
^good catch. I assumed 4.0
 
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