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Old 09-23-2008, 02:26 AM   #1
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Absolute Off Road Personal JK Power Upgrade

Well, as many of you know, with the purchase of our shop 2 door JK Rubicon in November of 2006, we set out to be one of the premire JK builders in the country. In this pursuit of building and wheeling a 2 door JK, there have been many difficult and frusterating walls we have come across. We feel that most of the suspension, axles and other little things have been addressed. Now on to the power upgrades. There are many choices when increasing power on the JK, from simple to extreme. Simple way is an intake system and a good exhaust, and then there are the "extreme" ways. One of them, as we all know is to drop a 6.1 Hemi into a JK. Its been done many times, and works VERY well. This has been one of the options on the table for our shop JK, but we decided to go a more affordable way.......forced induction. So, This installment of Absolute Offroad's Project JK will focus on a RIPP Modifications supercharger install. The RIPP Mods SDS will offer 12-15 lbs of boost, with an additional "black box" coupled to two additional fuel injectors and also includes a Methenal injection system to cool the compressed intake charge. Let me tell you, installation, while straight forward, was a very involved and labor intensive install. Plan on 13-16 hours of install time. I can tell you from first driving impressions, its quite of an improvement!! RIPP mods is "claiming" (True, dyno runs will be done later this week) a 150HP increase AT THE WHEELS. Remember, the JK will only actually put down 130-138 at the wheels in naturaly aspirated form, so 150 is going to be a nice number. I can tell you, it will spin 37" Claws on dry asphalt with no problem. There is a little dyno tuning to be done till its "perfect" but right now, it runs like a raped ape. Here are some of the install pictures for ya....This RIPP SDS will be released with some final tuning being done on it right after pomona offroad expo (Oct 3-5 2008) Enjoy!!

Joe
Absolute Offroad

Stock, with aFe intake system


Oil pan removed to plumb oil return line


Supercharger oil feed line installed


Battery relocation tray with Meth injection pump shown


Battery tray trimmed, supercharger bracket installed



Battery cables extended, and piping installed



Battery and 90% complete!



All Done!!




Now, there is WAY more to this install than what the pictures show, but you get the idea. See all of the pictures here: Absolute Offroad's '07 JK Rubicon Project build pictures from jeeps photos on webshots


Joe
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Old 09-23-2008, 06:41 AM   #2
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We'll all be watching; thank you, Dr. Frankenstein...

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Old 09-23-2008, 08:15 AM   #3
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That's pretty sweet! You have dyno numbers for that yet? Can't wait to "see" it in action!

EDIT: Can't wait to hear final dyno numbers after tuning!
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Old 09-23-2008, 01:07 PM   #4
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Quote:
Originally Posted by jeeperman View Post
That's pretty sweet! You have dyno numbers for that yet? Can't wait to "see" it in action!

EDIT: Can't wait to hear final dyno numbers after tuning!
It has been on the dyno, but only real quick last week to help look at how it was running and for some tuning. It's not 100% tuned in yet, but it still runs like a monster. There will definitely be numbers involved when it's all said and done.
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Old 09-23-2008, 01:25 PM   #5
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Quote:
Originally Posted by Hilldweller View Post
We'll all be watching; thank you, Dr. Frankenstein...

That is real cool...

Let me know how that works...

But if you have the means....

I'd try this!


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Old 09-23-2008, 02:30 PM   #6
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Dont get me wrong, the 6.1 HEMI is a GREAT swap. Its just not cost effective by ANY means. We have done a few of them and they run like monsters, but they are way more expensive than a supercharger. (5k) And not as friendly of an install for sure. I am expecting to see actual rear wheel horse power #'s between 240-275. Not too bad since when we were doing intake kit testing with aFe and AEM the MOST we saw at the rear wheels was 138.
Stay tuned.

Joe
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Quote:
Originally Posted by jeeptales View Post
That is real cool...

Let me know how that works...

But if you have the means....

I'd try this!


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ASE Master L1 Certified since '96
00 TJ, RockKrawler Pro 8 Coil-Over Stretch Kit (104") and some other "stuff"....
07 JK Rubicon 2 Door, RockKrawler 5.5" Long Arm "X" Factor lift kit, 5.13 Gears, AO Emissions canister skidplate, 1310 U-jointed driveshafts, 37" Mickey Thompson Baja Claw tires on Walker Evans beadlocks, ORF Front bumper, Olympic Rock sliders, Alloy USA front Cro-mo shafts
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Old 09-23-2008, 02:55 PM   #7
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Quote:
Originally Posted by Absolute Offroad View Post
Dont get me wrong, the 6.1 HEMI is a GREAT swap. Its just not cost effective by ANY means. We have done a few of them and they run like monsters, but they are way more expensive than a supercharger. (5k) And not as friendly of an install for sure. I am expecting to see actual rear wheel horse power #'s between 240-275. Not too bad since when we were doing intake kit testing with aFe and AEM the MOST we saw at the rear wheels was 138.
Stay tuned.

Joe
Absolute Offroad

I was playing with you about the 6.1...

If you have CRAZY money that has to be the way to go.

I saw when Mopar Performance came out with a Supercharger and it was still more than a Decent Long Arm Lift Kit; by the time You factored in the LABOR.

I would love more HP but I may have to settle for a Cold Air intake and and a Gibson Exhaust for next season

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