Gearing for 35s

[wayoflife]

That's the difference between the 3.8L and the 3.6L.

Yup, that's the difference right there.

This is my main concern. I know I don't "have" to. But for he sake of my clutch and engine. I should shouldn't I? What range of gears. Or whats the highest ratio I can go in a D-30/44 combo

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Yes, I would. Being that you're running a Dana 30 front, I personally would run a 4.88 as it'll bring you back up to stock performance and be stronger. 5.13 will give you more power but, you may not even need it with a 6-speed.

 

[MiJKguy]

3 in with 35'2

3 inch zone lift with 35 Nitto trail grapplers on stock 2007 2dr jk X engine, I suppose 3.21 should I be driving with OD on or off????

 

[wayoflife]

3 inch zone lift with 35 Nitto trail grapplers on stock 2007 2dr jk X engine, I suppose 3.21 should I be driving with OD on or off????

Even if you had 3.73's, I think you would be hard pressed to get your Jeep to do much with the OD on.

 

[MiJKguy]

Even if you had 3.73's, I think you would be hard pressed to get your Jeep to do much with the OD on.

is it better for the engine or does it not make a dif?

 

[PlenaBarba]

Just took this video. Thought it would give you guys an idea of 35's and 3.21s.

Just some info. I've got a 2 dr with no add-ons except a fullsize spare. I run without the backseat, so its basically stock sprung weight.

I live in Louisiana so elevation is around sea level and this is on a flat road. Add hills and things get even more sluggish. I've got 4.88's that will be getting installed in February. I've been running like this since October.

 

[ssh6314]

Yup, that's the difference right there.



Yes, I would. Being that you're running a Dana 30 front, I personally would run a 4.88 as it'll bring you back up to stock performance and be stronger. 5.13 will give you more power but, you may not even need it with a 6-speed.

I do wheel In this exotic state of Washington, is a 4.88 gonna give me enough pinion to still be durable? I know once things start stepping into the 5.xx range. things start getting cramped in a Dana 30

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[wayoflife]

I do wheel In this exotic state of Washington, is a 4.88 gonna give me enough pinion to still be durable? I know once things start stepping into the 5.xx range. things start getting cramped in a Dana 30

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In a Dana 30, yes, you will have enough teeth with a 4.88 to help keep the R&P strong. You can run 5.13's but, only if you leave your front diff open.

 

[t.l.harris]

This should help!

 

[ssh6314]

In a Dana 30, yes, you will have enough teeth with a 4.88 to help keep the R&P strong. You can run 5.13's but, only if you leave your front diff open.

Just to clarify. Not putting a locker in the diff?

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[10frank9]

Just to clarify. Not putting a locker in the diff?

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Yes no lockers.

 

[TacPen]

is it better for the engine or does it not make a dif?

Driving with OD off is fine, assuming you're not reving the sh@t out of it, no harm to your engine. Lugging the engine (low RPM and high load) is bad for your engine.