Planning on adding mods to my Jeep Commander NEED HELP? - Jeep Commander Forums: Jeep Commander Forum
Performance Modifications If you plan to modify your Jeep Commander, tell us about it in here.

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post #1 of 11 (permalink) Old 02-05-2008, 11:09 AM Thread Starter
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Planning on adding mods to my Jeep Commander NEED HELP?

Hey Guys, this is my first thread so BEAR with me, I have a brand new 2008 Jeep Commander 4 x 4 3.7, I already have all the interior and exterior mods planned out, but here is where I need everyone’s help, I plan on modifying my Commander by adding bigger tires and a lift kit similar to the one seen on ROCKCRAWLER.com

And I needed some advice on whether or not should I do it given that I only have a 3.7, if so, what are the different ways I could increase the HP in the engine, performance, and not compromise my gas mileage.

Well that's it, I intend on starting this summer after my wedding, then I'm going to splurge on my Jeep. I'll keep you guy's posted on the mods I make, I've found some really great additions to mod out yours Commanders.

Thanks
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post #2 of 11 (permalink) Old 02-05-2008, 11:47 AM
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switch the gear ratio's.

SAS the front and put a different axle out back.

front 9" and a rear 9" axles mmmmmm.
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post #3 of 11 (permalink) Old 02-05-2008, 12:07 PM Thread Starter
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DO WHAT!!!!!!!! More than likely I will have someone else do the work, so I need to know exactly what to tell them, but thanks for the quick reply!!!!!!!!
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post #4 of 11 (permalink) Old 02-05-2008, 02:41 PM
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Quote:
Originally Posted by allstatebear
I intend on starting this summer after my wedding, then I'm going to splurge on my Jeep.
You have never been married before, have you?

Sorry to hijack. It just didn't work that way for me.
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post #5 of 11 (permalink) Old 02-05-2008, 02:46 PM
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he's in for a surprise! unless of course, she's into the 4x4 experience and encourages him.........oh wait. that was a dream.....
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post #6 of 11 (permalink) Old 02-10-2008, 05:03 PM
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Quote:
Originally Posted by cico7
he's in for a surprise! unless of course, she's into the 4x4 experience and encourages him.........oh wait. that was a dream.....
Funny... I had the same dream and have a wife who enjoys the trail rides until its time to open the pocket book up. Then its "what is it with you and mods to your Jeep. I don't (I start dreaming about mods here)... hello are you listening?!" about then I just quietly squirrel away cash and hope she don't find it. Thats how I got my K&N but it will be harder to hide the wheel fund.

As for the performance. The bigger the tire the harder the engine and tranny has to work to turn them. My personal opinion is on a V6 keep the lift small and the tires not to large because you may get away with it but the tranny and transfer case will pay when you hit that "damn I wish I had 4Lo" moment.

Last edited by AKFossil; 02-10-2008 at 05:05 PM.
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post #7 of 11 (permalink) Old 02-11-2008, 08:18 AM Thread Starter
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Quote:
Originally Posted by AKFossil
As for the performance. The bigger the tire the harder the engine and tranny has to work to turn them. My personal opinion is on a V6 keep the lift small and the tires not to large because you may get away with it but the tranny and transfer case will pay when you hit that "damn I wish I had 4Lo" moment.
How about a 1 to 1.5" lift, and tires between 255 to 265? Of course with CAI and new exhaust?
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post #8 of 11 (permalink) Old 02-11-2008, 10:09 AM
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Quote:
Originally Posted by allstatebear
How about a 1 to 1.5" lift, and tires between 255 to 265? Of course with CAI and new exhaust?
You might be able to get away with 255's, but not 265 on that size lift. There are members running 265's on the 2.25 lift and have rubbing issues.
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post #9 of 11 (permalink) Old 02-11-2008, 10:23 AM Thread Starter
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Quote:
Originally Posted by CrzCajun
You might be able to get away with 255's, but not 265 on that size lift. There are members running 265's on the 2.25 lift and have rubbing issues.
Thanks a lot, I was really skeptical about my Commander because I had a 2005 Chrysler Sebring TSi that I just feel in love with, but I totaled it Dec 5 2007, I hit a car on the open hwy going 60 MPH, did a 180 and flipped over, a week after my son was born, that could have gone either way, I managed to walk away with just 5 scratches on my arm, after waiting on my insurance company, I made the decision to get an SUV, my fiance' liked the Commander, but I was looking at the Dodge Nitro. I really did not like it at first, but man, I love my Commander, It's different from everything else on the road, and I hope to make all you guys proud with my future modifications, I cant wait to get started. Thanks for you help.
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post #10 of 11 (permalink) Old 02-11-2008, 10:40 AM
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Wow! Happy to see the Sebring did its job in protecting you.

I agree with CrzCajun on tire size. I think start with the CAI and Exhaust in my opinion. As for tires I am a big fan of the BFG ATs here but I have been reading a lot about the Silent Armors (which seem to be a XK Fan Favorite) and kinda torn. I am not a hard core I am out every weekend trail rider. But about 8 miles of my drive into work is dirt roads with the occasional detour.

I guess your best bet is to decide how are you going to use the XK and plan from there.
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