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rear diff gear ratios

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Offline 3xl7sofar

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rear diff gear ratios
« on: April 01, 2017, 05:06:18 PM »
Ok guys I got the new engine in and found we had a problem with the rear diff. I need to know the gear ratios on a dec 2003 grand vitara 4wd 2.5l without anit lock and my engine donor car jan 2001 xl.7 2.7l with anti lock. hopefully i can just throw the whole rear axle in. if not i guess i can do both front and rear. Any advice specs? or help? Thanks


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Online fordem

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Re: rear diff gear ratios
« Reply #1 on: April 01, 2017, 05:50:53 PM »
As far as I know the ratios are different, and the entire axle assembly is also different.

A 2.5 with auto transmission is 4.875:1, the 2.7 XL-7 is I believe 5.125:1, the XL-7 uses a different axle, with a larger diff and some sort of CV joint on the drive shaft, rear springs I think are also larger.  The front diff should be a cast iron unit that will swap over possibly requiring the third member mount to be swapped as well.
'98 SQ420 Grand Vitara
'05 JB420 Grand Vitara
'16 APK416 Vitara
'21 A6G415 Jimny

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Offline beagle..t

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Re: rear diff gear ratios
« Reply #2 on: April 01, 2017, 06:47:37 PM »
my 2001 xl-7 was aluminum front diff, and the rear driveshaft is 3 bolts not four
new rig aka "the mule" 2002 tracker
V6 swap auto  ,2 dr ,2" BL,2" jeffs kit 512 gears warn hubs and 30/9.5/15 BFG AT