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  #85  
Old 07-22-2011, 10:48 AM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

I don't have part numbers. I would call and talk to him.
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  #86  
Old 07-22-2011, 08:00 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

What's his #?
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  #87  
Old 07-22-2011, 08:37 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

It's on the JBA's website.
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  #88  
Old 07-22-2011, 09:20 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

Pretty sure that is the correct part number. I called and left a message. Won't hear back until Monday.

I plan to get them ASAP if they will work!
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  #89  
Old 07-23-2011, 07:34 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

Quote:
Originally Posted by 05WK View Post
Pretty sure that is the correct part number. I called and left a message. Won't hear back until Monday.

I plan to get them ASAP if they will work!
keep us posted, i want a vid for sure. But you will certainly need a retune for those badboys. Hoping with a retune on 91 you can grab an extra 10-20hp from those badboys. List all yours mods up when your done and tune just for reference. Just need someone to get on an AWD dyno now I might know a guy
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  #90  
Old 07-23-2011, 08:58 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

Will do man.

I may wait for the headers to make a vid. Think I should do true dual? And with one for two muffler? Dual in dual out?
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  #91  
Old 07-24-2011, 12:29 AM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

Quote:
Originally Posted by 05WK View Post
Will do man.

I may wait for the headers to make a vid. Think I should do true dual? And with one for two muffler? Dual in dual out?
Personally, to take advantage of the headers Id do full exhaust from them back true dual. Id start by tossing old headers/cat and moving to the JBAs back to some higher flow cats with 2.5" stainless all the way back into a nice x-pipe then back to a nice set of mufflers of your choice Obviously all personal but Id probably go something like this:

JBA's back into 2.5" from collector on both sides
into aftermarket cats: http://www.sfxperformance.com/parts/VIB7013.htm

Then have reputable shop weld up some 2.25" all custom all the way back into mufflers of choice! I like dynomax or Thrush (cheaper child brand) for their tone but to each their own
http://www.thrushexhaust.com/products.html

Hardest part will be snaking it all back on each side and working around the spare. Tips could just come out on each side or have some nice slots measured and cut with a trim ring for flush mount, that would be sweet!

Only reason I say do it all is cause if your doing these headers at $600, you may as well do WHOLE job and the do it the right way to maximize gains! Not to mention the sound should be significantly better with a full exhaust including cats. Plus no emission problems "if" your state tests The 2.25" - 2.5" (w/e factory is) will keep the torques #s up and also the xpipe helps with the scavenging effect and will help keep torque #s and provide that low rpm power we all want. Having moved to higher flow headers/cats/mufflers the hp gain should be significant as well pending a good tune is provided

This could be very promising, cant wait to see/hear the results, GL
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  #92  
Old 07-24-2011, 11:23 AM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

Thanks for the info!

I plan to probably do true dual, use FM super 44's but keep original cats. The headers are 450 at www.summitracing.com and I plan to wrap them. Thus making stainless steal pointless lol.

And I LOVE the sound of my dumped exhaust(although illegal) and I plan to do the same about a foot after the mufflers.

I'll just have to see how it all goes $ wise on what I decide to finally do
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  #93  
Old 07-25-2011, 05:37 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

So I called JBA today and spoke with the tech guy. They said from their database, they do not support any 05+ Jeep grand cherokee..

Where did you call/Who did you talk to?? He said its only him and another tech guy and they havent heard anything about those headers fitting the 05 JGC
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  #94  
Old 07-25-2011, 05:42 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

Lol. That's weird because the dude said that the set he has will only fit the 05. Maybe he was talkling about the Liberty.

My question was clear though. Maybe some miscommunication somewhere.
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  #95  
Old 07-25-2011, 08:01 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

You called and spoke with the guys at jba.com? Or another site?
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  #96  
Old 07-25-2011, 08:11 PM
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Re: SCT Tuner for the 3.7L!!! ohhh yeah!!

JeepinByAl's
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