Wouldn't 4.56 be more effective than 4.88s? I would like to be able to drive me jeep around ... Right now i top out at like 50 on a good day with 410s. Thats what me spedo says i know im prob doing like 55 or 60 but I would like to be able to atleast hit 65 or 70.
The difference between the two ratios is not even noticeable by the butt dyno. But every little bit helps. Is there some other reason you are wanting 4.56s? ie do you have a set sitting around already paid for or in line on a good deal? If not go for the 4.88s.
Your limited slip differential sucks.
IIRC, 4:88s with 35s will bring your speedo alot closer to actual speed too. When you say top out at 50, do you mean power wise or....? 4:88 will help that a ton. It's also what your profile says your future mods are!!
Why would you want 4.56's over 4.88's? I'd go to 4.88's even with my 33's if I could afford it. For your setup with 35's I'd want to go deeper, but the deepest you can go with the D35 and that carrier is 4.88's. Go for it!
I could care less if my spedo is right lol i just wanna know how fast i can go? Like i would like to get 65 am I'd be happy? You think i can do that with 4.88s an 35s?
Probably wouldn't be a problem. But you would still probably have to plan in advance to pass a slower vehicle.
And again... it would be easier with 4.88 than 4.56's. And especially easier than with the stock gearing. There's not really any debate over this. For a 4 banger with 35's trying to do highway driving either swap to 4.88's or do a motor swap. Those are about your only options.
I can cruise 70 all day long (in 5th gear) with my 33's and 4.88 and know I could with 35's! So like a broken record get he 4.88!
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How did that effect your gas mileage? In theory lower gears will give you more power, but shift the useful RPM range and cause you to use more gas. But I've also heard that in practice the 2.5 is so underpowered that you actually get better gas mileage.
I get around 16 mpg mix driving! Before it was a real dog and I could't even use fith gear! My buddy is running 4.56 and 33 and wishes he had goon with the 4.88! And with how slow my jeep is I could't imagine driveing with 35's on anything less than 4.88!
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95 jeep yj double main leaf stock spring soa, locked front and rear 30/8.8 with chromo shafts, full cloak armor and 35 inch mtrk tires