4.10's or 4.56? | Ford Explorer Forums

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4.10's or 4.56?

expobronc

Well-Known Member
Joined
September 13, 2001
Messages
255
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0
City, State
Hayward, MN
Year, Model & Trim Level
98 V8
well I want to order my new gears this week, but now i cant decide between 4.10 or 4.56.

I have a stock 4.0, but with a more open exhaust that opened up some higher RPM horsepower. I currently have 31"s with a 3.73 ls in the rear. I'm doing the dana 44/ford 9" swap and going with probably 33"s I have the mitsu 5-speed and currently pull about 2800 Rpm at 70 mph (not adjusted for 31"s)

Eventually I will swap in a 5.0. probably with a t-5. I want good highway prowess, but still want some power off the line and in towing. According to the tire gear chart with a 1:1 tranny a 33" with 4.56 will turn 3018 RPM, but what is the mitsu 5-speed? a 27% O.D.? which would yield a 2200 rpm?? does that sound right?? Thats a little low if you ask me.

also is $420 a good price for front and rear gears with bearings, shims, etc??
 






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Um if yer talking about new gears for the 44 and 9in, go 4.56's if yer talkin about replacing yer 3.73s then don't waste the money... put the money in the new axles
Pete
 






Yea i have the 9" and the 44, apart, and in my garage right now. they both have 3.55 :P hell no i'm not stepping down from 3.73's to 3.5's I'm just wondering as long as i'm swaping gears, should i go to 4.10 or 4.56??
 






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