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regearing? 33s? intake?

1K views 11 replies 6 participants last post by  Jerry Bransford 
#1 ·
i have a 2004 tj (4.0 inline 6) with a 3.25 lift and i am currently running 31s. i plan on going to 33s soon. i was wondering do i need to regear to do so and if so how much am i looking at spending. i wheel it maybe once or twice a month but its also my dd. i also wanted it to sound a little better so i was gonna put an intake in it. what would be a good intake to go with that can handle the elements ? not looking to spend to much and not expecting to gain a ton of horse power.
 
#9 · (Edited)
4.56 is the right ratio for 33's with the 5-speed and 4.0l engine. I asked because if you had the 4-speed automatic, the correct ratio would have been 4.88.

And having had a 4.10 ratio installed years ago when I used to run 33's, I can only say it only took 2-3 days of driiving with the new 4.10 gearing to know I had made a mistake of not listening to everyone who tried to convince me to go 4.56... it was a big mistake I learned a huge lesson on gearing from. The 4.10's "worked" but not very well. I was always having to downshift for even the most minor of grades.
 
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