It's time to raise the bar - Jeep Commander Forums: Jeep Commander Forum
Programmers/Engine Mods Questions or advice about programmers or engine mods? This is the place...

 
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post #1 of 9 (permalink) Old 07-28-2009, 06:03 AM Thread Starter
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It's time to raise the bar

all I ever see in our performance section is oil and spark plugs, it's time to step it up a notch. I am going to put some idea's in our heads.

Engine mods:
Supercharger http://www.arringtonengines.com/p-11...er-by-sms.aspx

Head port, cam and throttle body upgrade http://www.arringtonengines.com/p-12...p-package.aspx

Tuner will be done soon (this is the one I would recommend)
Fancy http://www.diablosport.com/index.php...isplay&pid=151
budgethttp://www.diablosport.com/index.php...=display&pid=3

GEARS!( those links should be right, if not, then there not I haven't yet installed gears in my xk but it is on the list)
Front
Ring Gear Diameter ..7.9 in. (200mm)
http://www.ringpinion.com/PartsList....Front&DiffID=6
rear
Ring Gear Diameter .....in. (213 mm)
http://www.ringpinion.com/PartsList....=Rear&DiffID=7

now we're talkin

----------------------------------
2006 jeep Commander Limited 5.7 Hemi QDII
2.25 rocky road lift
magnaflow exhaust stainless cat back
DiabloSport Predator
all Amsoil
In box k&N
34.8" tires 285/75 R17 on Pro Comps ( 2.5" cut off the front frame)
35W low beam HIDs 5k dirt, 6k snow
55W high beam HID 6k<----stupid bright
This thing sees a lot of off road

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post #2 of 9 (permalink) Old 07-28-2009, 08:37 AM
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If you search you will find numerous threads on the gear situation for our XK's. The ring and pinion you just listed for the front will not work with our axles. Those gears are for Chrysler 8.0 inch front axles, not the axle found in our Commanders. There is actually a thread floating around this forum where I took a picture of my friends front axle in his Dakota to prove that they were not the same. These are the vehicles that those Chrysler 8.0 gears will work for. Notice that neither the Jeep Commander nor the Grand Cherokee are on that list.

Compatible with Models:
1/2 Ton Dodge Pickup: 2002 - 2006 (Front)
Dakota: 2000 - 2005 (Front)
Durango: 2000 - 2006 (Front)




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete

Last edited by 07JeepXK; 07-28-2009 at 08:39 AM.
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post #3 of 9 (permalink) Old 07-28-2009, 10:26 AM
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X2, the gear issue is something that will require same research and I think manual labor to determine exactly what is going on under the XK. As for the performance parts I think that you are on a good track but only for the Hemi owners. Not that I have any desire to put a new cam and heads on my 4.7L

Bright Silver 4.7L 2.25 RR/OME lift, Kumho KL71 265/70/17, Flashpaq, Lights, rack, intake, Super44, mopar skids, 4x belly guard, rear fog lights, MM9500 winch, GetLost4x4 winch mount

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HILLBILLY DELUXE
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post #4 of 9 (permalink) Old 07-28-2009, 11:06 AM
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That's a lot of planned upgrades. And you're planning 35 inch tires? and 5 inch extension to the rear axle? Wow. So what have you gotten done so far? Pics?

2007 XK Limited, 5.7L Hemi, QDII, Rusty's 2" lift, Spidertrax 1.5 inch wheel spacers, GetLost4x4's front hitch mount for portable winch.GY Duratracs 265/70R17s , Rola Roof Rack, diy built spare tire mount for the roof rack.
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post #5 of 9 (permalink) Old 07-28-2009, 11:23 AM
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Quote:
Originally Posted by GPintheMitten View Post
That's a lot of planned upgrades. And you're planning 35 inch tires? and 5 inch extension to the rear axle? Wow. So what have you gotten done so far? Pics?
Dream. Thats about it.

I'm still waiting on pictures too.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #6 of 9 (permalink) Old 07-28-2009, 01:20 PM
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everything always for the Hemi...bias...grrrrrrrr

2006 Jeep Commander 4.7L 4wd Loaded, 2" Daystar spacer lift, rear hitch tow hook, Custom 4" ram air intake, Optima yellowtop battery, semi-custom rock sliders, 245-75-R17 Goodyear Silent Armors, Hidden emergency lights all around (undercover cop look), bug deflector, stick-ons, and MUD occasionally.
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My other ride:

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post #7 of 9 (permalink) Old 07-28-2009, 08:24 PM Thread Starter
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I have spent hours researching the front end gear. All I can find is the Dakota 8, toyota 200m and a nissan c200. I was wondering if the nissan c200 is the same as our c200fe and what not. Why not, the srt8 tranny is a Mercedes. Well I am going to find out the hard way I suppose. Of the wonderful mods I listed above the only ones I see in the near future for me is the gear and the cam, then maybe the port work. The supercharger would be nice but I will have to see how the 35s feel with 4.88s. If I don't have the power for them a loan might be in order for the charger. That is a ways down the line, for now I am working on some fiber glass fenders for the front and flairs for the rear. As of now I don't believe extending out the rear axle will be needed. I was tossing around the idea of a hiem joint on one side of the trailling arms for more flex at the cost of life. If the axle will have to be moved then so be it. More worried about the pan hard rod location and bye bye spare tire under the jeep.

----------------------------------
2006 jeep Commander Limited 5.7 Hemi QDII
2.25 rocky road lift
magnaflow exhaust stainless cat back
DiabloSport Predator
all Amsoil
In box k&N
34.8" tires 285/75 R17 on Pro Comps ( 2.5" cut off the front frame)
35W low beam HIDs 5k dirt, 6k snow
55W high beam HID 6k<----stupid bright
This thing sees a lot of off road

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post #8 of 9 (permalink) Old 07-28-2009, 08:53 PM
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Quote:
Originally Posted by jaimeson View Post
I have spent hours researching the front end gear. All I can find is the Dakota 8, toyota 200m and a nissan c200. I was wondering if the nissan c200 is the same as our c200fe and what not. Why not, the srt8 tranny is a Mercedes. Well I am going to find out the hard way I suppose. Of the wonderful mods I listed above the only ones I see in the near future for me is the gear and the cam, then maybe the port work. The supercharger would be nice but I will have to see how the 35s feel with 4.88s. If I don't have the power for them a loan might be in order for the charger. That is a ways down the line, for now I am working on some fiber glass fenders for the front and flairs for the rear. As of now I don't believe extending out the rear axle will be needed. I was tossing around the idea of a hiem joint on one side of the trailling arms for more flex at the cost of life. If the axle will have to be moved then so be it. More worried about the pan hard rod location and bye bye spare tire under the jeep.
I have spent well over a year doing research on our axles to find gears that will work for our application. I can assure you that there aren't any ring and pinion sets on the market for our front axles. There arent that many vehicles that share our front axles. Infact, I can count on one hand the amount of vehicles that share our front axle.

Also im not sure what you plan on doing with your XK but if you do infact have a Hemi under the hood and are going to run 35's then 4.88's are a little overkill. Id recommend going with 4.56's if you can ever get your hands on some that will fit our front axles.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #9 of 9 (permalink) Old 09-06-2009, 08:38 AM
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No love for the 4.7 from the aftermarket.

2006 Jeep Commander 4.7
2004 Pontiac GTO
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