Gear Help (not a mach) - 2003-04 Mach 1 Registry Owners Club

NastyNate · 07-22-2010, 09:36 PM

So i have a 91 wrangler with a blown rear end. I found a good deal on a rear that has 3.55 gears in it. I am currently running a 4 cyc with 33 in tires ax-5 tranny and np-231 transfer case. 4.10 gears. Right now 5th gear is pretty much useless. So how would the 3.55 do on the highway? Im thinking 5 gear would be worse but it wouldnt rev as high in 4th. Ive also thought about swapping in a ford 8.8 outta an explorer.

Tranny
First Gear 3.92
Second Gear 2.33
Third Gear 1.44
Fourth Gear 1.00
Fifth Gear 0.85
Reverse 4.74
Tranfers case
Hi-Range Ratio 1:1
Lo-Range Ratio 2.72:1

07-22-2010, 09:36 PM	#1
NastyNate Registered User Join Date: Mar 2008 Location: Jersey Shore Posts: 1,349	Gear Help (not a mach) So i have a 91 wrangler with a blown rear end. I found a good deal on a rear that has 3.55 gears in it. I am currently running a 4 cyc with 33 in tires ax-5 tranny and np-231 transfer case. 4.10 gears. Right now 5th gear is pretty much useless. So how would the 3.55 do on the highway? Im thinking 5 gear would be worse but it wouldnt rev as high in 4th. Ive also thought about swapping in a ford 8.8 outta an explorer. Tranny First Gear 3.92 Second Gear 2.33 Third Gear 1.44 Fourth Gear 1.00 Fifth Gear 0.85 Reverse 4.74 Tranfers case Hi-Range Ratio 1:1 Lo-Range Ratio 2.72:1

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