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post #1 of 14 Old 12-14-2008, 01:19 PM Thread Starter
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More Horse Power

I own a 2008 JK WITH 4.,5 Rubicon lift, 488 gears 35' pro comp tires. Looking for a little bit more horse power. Need info
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post #2 of 14 Old 12-14-2008, 02:02 PM
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Have you checked into Hypertech programmer?

Kevin M.
2008 JK Sahara Unlimited, 3.8L, 3.5" Rubicon Express lift with (5) 35/70R17s' BFG KM2s' on Pro Comp Xtreme Alloys 7069 Series, Red Rock, Crystal Pearl, Galaxy CB Radio, Hella FF lights, Smittybilt XRC front and rear bumpers, Xenon Flat Fenders, 12K Mile Marker winch, front and rear Rugged Ridge diff guards, Mopar slush mats, and Vision X led rock lights, IPF 920H4 JK Headlights, Superchips flashpac, River Raider rock sliders, front/rear Coast 1310 driveshafts

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post #3 of 14 Old 12-14-2008, 03:58 PM
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There is a great deal on a Ripp supercharger on Ebay.

Proud to be an American
Shamed of our government

Native Floridian = MUD
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post #4 of 14 Old 12-15-2008, 05:05 AM
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Hemi, seriously I don't think you will be able to get some serious power from the 3.8. I'm sure in a year or so someone will come out with some upgrades heads, cam, maybe a stroker kit but for now we are stuck with a mini van motor that no one has had the interest to do any thing with.


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post #5 of 14 Old 12-15-2008, 05:14 AM
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Quote:
Originally Posted by bodyguy View Post
Hemi, seriously I don't think you will be able to get some serious power from the 3.8. I'm sure in a year or so someone will come out with some upgrades heads, cam, maybe a stroker kit but for now we are stuck with a mini van motor that no one has had the interest to do any thing with.
Yea what where they thinking at Jeep?

Kevin M.
2008 JK Sahara Unlimited, 3.8L, 3.5" Rubicon Express lift with (5) 35/70R17s' BFG KM2s' on Pro Comp Xtreme Alloys 7069 Series, Red Rock, Crystal Pearl, Galaxy CB Radio, Hella FF lights, Smittybilt XRC front and rear bumpers, Xenon Flat Fenders, 12K Mile Marker winch, front and rear Rugged Ridge diff guards, Mopar slush mats, and Vision X led rock lights, IPF 920H4 JK Headlights, Superchips flashpac, River Raider rock sliders, front/rear Coast 1310 driveshafts

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post #6 of 14 Old 12-15-2008, 09:04 AM
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exhaust, headers, cold air intake, maybe a colder range spark plug or a higher flow fuel injectors, electric fan, programmer, supercharger, turbo, change engine to a diesel or v-8 like a 318, 360, or a hemi

the list can go on and on...
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post #7 of 14 Old 02-07-2009, 05:15 PM
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JET pereformance chip

Put a JET performance chip in my JK and was very impressed. Must use mid range octane or premium octane depending on the chip you buy. Extremely easy to install. Best price I found was 4wheelparts. Extra cost of higher octane offset by increased MPG.
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post #8 of 14 Old 02-13-2009, 07:33 PM
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If you have $25K laying around get a Hemi! or for about $5K get an Avenger or Ripp supercharger. Personally, I don't have the $25K to burn so the supercharger will be my choice.
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post #9 of 14 Old 08-03-2009, 03:41 PM
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i just recently got a AFE Cold air, Gibson headers & dual exhaust, Superchip, Throttle body spacer. Have not been home since i bought it all though. still in Afghanistan. Will let u know how it goes. But the Cold air, exhaust and throttle body i had on for a couple weeks before i left i thought i noticed alot of differance, even with the 35's on it. Just my input. But a lot of people say the throttle body spacer is B.S. But i think it sounds bad ass and works. But maybe i like the whistle so much, im on the throttle more. Can't say i've noticed fuel mileage tho. Maybe even went down a little....

Gibson Headers&Duals,SUPERCHIPS,AFE Stage2Cold Air Intake,Poweraid Thrtl Bdy,4" RghCntry Susp,35" Nitto DUNE Grapplers! 18" ROCKSTAR Rims,"OH-SH*T" Grab Handles,RECON Edit Blk Out Lenses/w/LED's,GTO Smokd hdlight Cover,blk Grill Insrts,Tntd BugShield, Tinted Windw, RghCtry DualSteeringStabilizer,blk stl lckng fuel dr,BLK tail light Covers/guards,Quadratec Mud terrain floor matts,Rhino-line,blk diamond plate rocker guards, mirror relocator/light bracket,Hood Scoop, smittybilt seat covers!
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post #10 of 14 Old 08-03-2009, 04:12 PM
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Go for JATO (Jet assisted take off) surplus from the Air Force....By golly then you can fly....Get over it....it's a jeep...better yet buy a Lambo....zoommmmm

"All wranglers are jeeps, not all jeeps are wranglers"

"Holding out for the Pentastar in 2012"
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post #11 of 14 Old 08-03-2009, 06:04 PM
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Quote:
Originally Posted by Born2run View Post
Go for JATO (Jet assisted take off) ...
It's like nitrous. You won't use it all the time, but it'll be a lot of fun when you do. Plus it's really cool at night. Make sure no one is behind you when you hit the button though. It's been known to startle people.

The downside is it needs to be replentished more often than nitrous. It might even be good to carry spares.

Of all the performance mods available this is tops for the cool factor. Probably kinda pricey and I'm almost certain your local 4x4 shop won't have it in stock.

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08 4 Door Rubicon
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post #12 of 14 Old 08-05-2009, 07:40 AM
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The exhaust, intake, tb spacer mods on the 3.8L don't do jack on the JK.

Get a supercharger or a hemi, bout all you can do.

I no longer work with Warrior. I am now working with The FIRM.
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post #13 of 14 Old 08-05-2009, 07:46 AM
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Hemi.
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post #14 of 14 Old 08-05-2009, 09:54 AM
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Quote:
Originally Posted by Jason @ Warrior View Post
The exhaust, intake, tb spacer mods on the 3.8L don't do jack on the JK.

Get a supercharger or a hemi, bout all you can do.
2x on this... not much else can be done on the engine the way that it's setup that has any real dyno effect. Haven't seen any Dyno results of all these other options but my guess is they do not have any.
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