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Old 07-16-2011, 10:36 PM   #1
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First time jeep owner

Hello, I just picker up a 09 jeep wrangler I love the thing but find it so grosly unerpowered. what type of performance upgrade can be done to the little V6 be it factory or aftermarket? Is it possible to go to and 8cyl or even a 3.9L cummins conversion? How strong is the rest of the drive train.

Any help here would be greatly appreciated

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Old 07-16-2011, 10:38 PM   #2
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Do a google search for AEV conversions. If you have the cash they will put a hemi in for you.

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Old 07-16-2011, 10:44 PM   #3
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Not much. A chip can help with an autos shift points.

I have a manual that I bought last week. I learned 3 things.

The 3.8 likes higher rpms, don't be afraid to get her up there (3000-4000)

Let it learn my driving style. It def picked up a bit since I bought it last week.

Start in 2nd gear, first is gone way to quick.

I do have a rubi w/ 4.10's. Not sure if 3:73 would be much different

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Old 07-16-2011, 10:45 PM   #4
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Quote:
Originally Posted by daggo66
Do a google searvh for AEV conversions. If you have the cash they will put a hemi in for you.
Or this^^

It be nice
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Old 07-16-2011, 10:48 PM   #5
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Thanks do you know if there is any type of conversion kit for a small block chev? also just how strong is the transfercase and the the front and rear axels?
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Old 07-16-2011, 10:49 PM   #6
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What size are your tires? Are they "stock"?

$5k will get you a supercharger. (Google "RIPP modifications"). 100 more horsepower.

Regear it, especially if it's an auto transmission. Varies on speed, but 20+ horses is a ballpark expectation.

If it's a manual trans, you're not revving it high enough. Try not shifting until 3k RPMs as a general matter.
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Old 07-16-2011, 10:51 PM   #7
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Quote:
Originally Posted by jeep nubee
Thanks do you know if there is any type of conversion kit for a small block chev? also just how strong is the transfercase and the the front and rear axels?
Here: (http://www.turnkeyenginesupply.com/p...d8-400-HP.html)

T case and axles are fine. Need a new transmission though.
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Old 07-16-2011, 10:59 PM   #8
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Again thanks, I do know this unit has the 4:10s in it and I drive it hard. how strong is this 6 can it be be pushed with a tubo or super charger I do not know a dam thing about the power trane
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Old 07-16-2011, 11:01 PM   #9
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Quote:
Originally Posted by jeep nubee
Again thanks, I do know this unit has the 4:10s in it and I drive it hard. how strong is this 6 can it be be pushed with a tubo or super charger I do not know a dam thing about the power trane
So you have a rubicon? Auto or manual? What size are your tires?
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Old 07-16-2011, 11:03 PM   #10
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what would you recommend I have an auto in there now and woud love to go to a standard
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Old 07-16-2011, 11:10 PM   #11
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It is a plain jane Wrangler Xon stock rubber it was my daughters but crap happens and now I have a jeep.
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Old 07-16-2011, 11:19 PM   #12
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What size tires do you have? I am getting bigger tires as part of my upgrade but they def recommended moving the gear to 5.13s. If not getting 35" tires that might be an option for you. All about your $$$ options. The gear change is typically $1500 or so. If you have the stock tires and wheels it may be an option as it would handle an upgrade if you wanted to do that.....in the future.
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Old 07-16-2011, 11:27 PM   #13
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Quote:
Originally Posted by jeep nubee
what would you recommend I have an auto in there now and woud love to go to a standard
Quote:
Originally Posted by jeep nubee
It is a plain jane Wrangler Xon stock rubber it was my daughters but crap happens and now I have a jeep.
You don't have 4.10s, you have 3.73s.

Regear to 4.88 (~$1200 to $1500) and add a ProCal ($150) to tell your auto trans to shift accordingly. If you think you'll be adding bigger tires, head up to 5.13s for 33" tires or 5.38s for 35" tires. That'll be a big improvement.

If that doesn't scratch your itch, add a supercharger on top of that. Your internals will be fine--RIPP has put close to 100k in supercharged miles on the stock engine/trans. That's $5k presuming you can do the install in your driveway, which I understand most shade tree type mechanics can.

if that doesn't do it for you, trade it in for a Porsche.

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