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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WK Grand Cherokee & XK Commander Forum > Okay....... next on the list!

ECGS American Made Stub ShaftsDisc Brake Kits from ECGSSPARTAN LOCKERS are on sale BIG TIME at ROCKRIDGE 4WD!

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Unread 11-09-2012, 04:17 PM   #1
caiati
Registered User
2006 WK 
 
Join Date: Jun 2012
Location: Boiling Springs, PA
Posts: 201
Okay....... next on the list!

Okay all... Just as an update, I have a 2006 4.7L. I have done the RC lift, tires, K&N intake and magnaflow exhaust. I have noticed that since the bigger tires, my transmission is even more confused than it was before. Meaning it searches for gears in my mountain/hills area. I've noticed that if I hit the tow/haul button, the tranny is much more solid and overall less sluggish.

i expected some power loss for the bigger tires which is okay with me, but I want a little of the power back. The magnaflow didn't make a vast improvement as I expected but does sound much better. I am not looking to spend a fortune so headers are out of the question....

I was thinking maybe a throttle body spacer and possibly a tuner. I've read all over this forum that most of the tuners are a complete waste of time. I also saw a post regarding an SCT tuner which is what I had for my diesel truck. The tuner was amazing with custom tunes but I called SCT and they do not make anything for the 4.7..... Any of you masterminds have thoughts or recommendations regarding the throttle body spacer or a tuner?? Am I just wasting my time and money by getting either? Advice please from those with actual experience with the products.... Thanks

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2006 Jeep Grand Cherokee, 4.7L V8, QTII, 2" Rough Country Lift, 265/70/17 Nitto Terra Grapplers, Magnaflow muffler w/ resonated tip
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