HPD30 27spline vs. 35's and detroit
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Joined: Nov 2011
Posts: 7,387
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From: City of Trees, CA
Year: 93 2 door
Model: Cherokee
Engine: 4.0
You're welcome,
I'm running an AX15, 4.88 gear ratio, and 35x12.5 r15 KM2s. This setup gives me what I consider good mileage for a rig that is used for wheeling mostly.
I have gotten between 10 to 13.8 mpg, but that is mostly on trails or snow wheeling in 3-4 foot of snow. I think I would get in the neighborhood of 15-17 driving on the interstate, but I didn't buy the XJ for a DD.
So if you are really concerned about fuel economy maybe you should try something else.
65x4.88x336x.75/33=2422.25rpms
65x4.88x336x.75/35= 2283.84rpms
I'm running an AX15, 4.88 gear ratio, and 35x12.5 r15 KM2s. This setup gives me what I consider good mileage for a rig that is used for wheeling mostly.
I have gotten between 10 to 13.8 mpg, but that is mostly on trails or snow wheeling in 3-4 foot of snow. I think I would get in the neighborhood of 15-17 driving on the interstate, but I didn't buy the XJ for a DD.
So if you are really concerned about fuel economy maybe you should try something else.
65x4.88x336x.75/33=2422.25rpms
65x4.88x336x.75/35= 2283.84rpms
I think I'm gonna do 4.56 and 33's.
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Hewittxj
Modified XJ Cherokee Tech
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Aug 31, 2015 04:43 PM
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