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Old 04-13-2014, 12:46 PM   #1
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Should I Ripp?

So my jeep is losing power like crazy, and I'm thinking of installing a Ripp Supercharger. Does anyone have any experience with them? It's 5000 bucks, and I'm 17... 5 grand doesn't come easy... Is it worth it? Should I look for cheaper alternatives? What else has to be payed for, in addition to the Ripp itself...

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Old 04-13-2014, 12:51 PM   #2
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I want one bad too. But I tempered my temptation by buying a Sprint Booster for now. Doesn't add power, but it make your Jeep throttle + engine work like they should together.

It's $300 and you can return within a month. Might be worth a shot, unless that 5K is burning a hole in your pocket.

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Old 04-13-2014, 01:21 PM   #3
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I looked into the Ripp, for myself, but I have a 3.6, with a 6 bolt main bottom end, but it has a aluminum block, so there are some concerns there!
It looks like it is a real well designed, thought out engine MOD. So, I am definitely considering one myself, but then there goes my factory engine warranty, so I probably won't do it for now, but maybe in the future.

OP, getting back to your situation, 07 Wrangler, with a 3.8 engine.

You mentioned loosing power, so what has changed? Does it need a tune up, including a compression test? Winter gas blend?
Have you installed larger, heavier tires, and wheels? Have you added extra weight to your Wrangler?

The point that I am trying to make, is something has caused it to loose power, and that needs to be identified first. And then a solution, implemented........

There maybe other options, like re-gearing that will help you, at a lot less cost!!!!!!!
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Old 04-13-2014, 01:48 PM   #4
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I looked into the Ripp, for myself, but I have a 3.6, with a 6 bolt main bottom end, but it has a aluminum block, so there are some concerns there! It looks like it is a real well designed, thought out engine MOD. So, I am definitely considering one myself, but then there goes my factory engine warranty, so I probably won't do it for now, but maybe in the future. OP, getting back to your situation, 07 Wrangler, with a 3.8 engine. You mentioned loosing power, so what has changed? Does it need a tune up, including a compression test? Winter gas blend? Have you installed larger, heavier tires, and wheels? Have you added extra weight to your Wrangler? The point that I am trying to make, is something has caused it to loose power, and that needs to be identified first. And then a solution, implemented........ There maybe other options, like re-gearing that will help you, at a lot less cost!!!!!!!
yeah, I have it lifted with 35 inch tires running stock gears... I'm pretty sure that's why it's got less power. What do you think?
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Old 04-13-2014, 01:49 PM   #5
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Regear to 5.13's, and go from there.
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Old 04-13-2014, 01:51 PM   #6
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Regear to 5.13's, and go from there.
what'll that do to my highway driving?
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Old 04-13-2014, 01:53 PM   #7
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What diff ratio are you currently running?
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Old 04-13-2014, 01:57 PM   #8
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what'll that do to my highway driving?
Makes it so you don't drop out of overdrive on every little hill and less lugging on the engine.
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Old 04-13-2014, 02:11 PM   #9
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What size tires ?
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Old 04-13-2014, 02:25 PM   #10
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yeah, I have it lifted with 35 inch tires running stock gears... I'm pretty sure that's why it's got less power. What do you think?
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What size tires ?
Ken, he is running 35s!
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Old 04-13-2014, 02:43 PM   #11
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Oops missed that.

Auto 513/538
Manual 4:88



Hey Bill
70 yesterday and today. Finally !!!!!
Got my coils in
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Old 04-13-2014, 02:53 PM   #12
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Tire Size, RPM, Speed, and Differential Ratio Calculator

This will help you to understand, different ratios, different tire size, at different speeds, and how it will effect your engine RPM, just plug in the numbers and it will calculate the RPM....
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Old 04-13-2014, 03:03 PM   #13
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Oops missed that.

Auto 513/538
Manual 4:88



Hey Bill
70 yesterday and today. Finally !!!!!
Got my coils in
WOW, 70 degrees, a heat wave.......
We are 88 here today, but a couple of days ago, we hit 98.....

Coils, I will PM you!
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Old 04-13-2014, 03:31 PM   #14
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You should absolutely get a ripp if you have that kind of disposable income.

I thought about it but started a business with the money instead.
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Old 04-13-2014, 03:41 PM   #15
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Start with the gears regardless of any other mods.

Before you even consider the Ripp or any other engine mod look at power curve. By nature Jeeps need low end torque and mid range power. Superchargers don't start producing any significant benefits until 2500-3000 RPM. The power comes on strong about the time you are laying of the gas. They certainly are nice on the highway, particularly on two lane road for passing but the benefit is not across the whole RPM range.

Noise level is also very noticeable, but I assume that is a plus if you're 17.
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Old 04-13-2014, 08:59 PM   #16
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Thanks! So basically, I need to look into re-gearing to something around a 5:13 ratio before the Ripp, then add that after?
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Old 04-13-2014, 09:20 PM   #17
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Yes, you should regear anyway even supercharged you would need new gear ratio. My Jeep was an 08 with 35's. 5.13 was easily the best accompanying mod.

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Old 04-14-2014, 02:51 AM   #18
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With the regear.. I wouldnt bother with the ripp... especially at 17.. you will feel it has more power with gears...
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Old 04-15-2014, 06:27 AM   #19
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Ripp will always be fun...
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Old 04-15-2014, 09:55 AM   #20
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Is it pretty easy to re-gear? Can I do it myself?
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Old 04-15-2014, 09:58 AM   #21
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Is it pretty easy to re-gear? Can I do it myself?
No! Have a professional do it! Steep learning curve...
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Old 04-15-2014, 10:20 AM   #22
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If I re-gear, do I also have to retune everything?
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Old 04-15-2014, 10:33 AM   #23
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no! Have a professional do it! Steep learning curve...
+1
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Old 04-16-2014, 04:02 AM   #24
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I have an '07 JKUR with 6spd, RIPP and long tube headers....best investment I have put on the Jeep by far! I have seen significant gains both on-road and off-road. And the cost is much better this route for similar gains than going for a hemi/LS swap....just my .02!


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Old 05-22-2014, 10:39 AM   #25
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Yes, aside of looking to purchase a supercharger (which I can't at this point) I'm in the same boat. I have a 2011 wrangler auto, 4" lift with 35s and power blows! If I'm hitting even a slight hill I an drop anywhere between 5-8 mph and it has to downshift hard to get up it. A larger hill, definitely drops from 70 to 60 and FAST! I'm also curious what gears will be best to accommodate this without murdering the gas mileage any more and allowing for the power increase.
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Old 05-22-2014, 12:36 PM   #26
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Yes, aside of looking to purchase a supercharger (which I can't at this point) I'm in the same boat. I have a 2011 wrangler auto, 4" lift with 35s and power blows! If I'm hitting even a slight hill I an drop anywhere between 5-8 mph and it has to downshift hard to get up it. A larger hill, definitely drops from 70 to 60 and FAST! I'm also curious what gears will be best to accommodate this without murdering the gas mileage any more and allowing for the power increase.
I have '11 JKU Auto with 33" and re-geared to 5.13. Drives like a whole new machine. Added the flashpaq and that bumped it up another notch on the fun meter.

Most recommended the 4.88 gears with my setup but I went with 5.13 because I'm at altitude and do some towing and eventually might go to 35" and am very happy with the choice. The Jeep is a lot of fun to drive around town and much better on the highway going up hills.

The 5.13 I believe is the lowest gearing (highest number) you can go with the Dana 30 in the front if that's what you have so that's probably what you should do with your 35".
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Old 05-22-2014, 01:13 PM   #27
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I have '11 JKU Auto with 33" and re-geared to 5.13. Drives like a whole new machine. Added the flashpaq and that bumped it up another notch on the fun meter. Most recommended the 4.88 gears with my setup but I went with 5.13 because I'm at altitude and do some towing and eventually might go to 35" and am very happy with the choice. The Jeep is a lot of fun to drive around town and much better on the highway going up hills. The 5.13 I believe is the lowest gearing (highest number) you can go with the Dana 30 in the front if that's what you have so that's probably what you should do with your 35".
I bought my gears this past weekend at the Truck and Jeep fest in Dallas. I got the G2 5.13 ratio, I'll let you know when I get it set up and installed!
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Old 05-22-2014, 01:35 PM   #28
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I bought my gears this past weekend at the Truck and Jeep fest in Dallas. I got the G2 5.13 ratio, I'll let you know when I get it set up and installed!
Oh, and from what I understand, pre-2012 you do not need to tune it for the new gears and tires. Actually, I'm only about 3 mph off with 5.13 and 33" (73 speedometer vs 70 actual) so you'll probably be pretty close with the 5.13 and 35".
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Old 05-22-2014, 02:27 PM   #29
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07X, we can still get you Ripp'd.

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