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Old 02-10-2012, 09:36 AM   #1
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Supercharger!! Anyone done it

So i have a friend with an 09 wrangler and like me hes a little fed up with the lack of "balls" the engine in it has, hes modded up lots of othe cars built em up from the ground and such but has anyone here actually supercharged there jeeps before

Or what mods have you guys done to give that engine a bit more go because i know were hes coming from especially hwy driving with my 2011

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Old 02-10-2012, 09:38 AM   #2
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Old 02-10-2012, 09:42 AM   #3
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RIPP all the way. will be my next big mod.
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Old 02-10-2012, 09:43 AM   #4
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As noted by Barrie, there are definitely some threads on supercharging. Ripp, Avenger, Hesco, others, and soon even (supposedly) Sprintex put out superchargers.

HOWEVER, my assumption is that you have an automatic transmission. I assume this because your engine actually has a reasonable amount of power--it's just terribly undergeared when paired with the auto trans that came with the 2007 through 2011 wranglers. A $1500 to $1800 regear to 5.13 or 5.38 would yield around a 20% or more increase in power at your wheels.

No supercharger needed.
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Old 02-10-2012, 10:03 AM   #5
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#3 and even less expensive

Superchips Flaspaq tuner

Google "Sprintbooster"

I love this combo
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Old 02-10-2012, 10:08 AM   #6
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Quote:
Originally Posted by rubicube View Post
So i have a friend with an 09 wrangler and like me hes a little fed up with the lack of "balls" the engine in it has, hes modded up lots of othe cars built em up from the ground and such but has anyone here actually supercharged there jeeps before

Or what mods have you guys done to give that engine a bit more go because i know were hes coming from especially hwy driving with my 2011
eyup...

Jaysrubi - http://www.wranglerforum.com/f33/rip...ed-138165.html

Myself - http://www.wranglerforum.com/f33/rip...ku-134442.html
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Old 02-10-2012, 11:32 AM   #7
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If you have the funds I would say RIPP because I just got mine installed and it is so much more enjoyable to drive now. A regear will also help you some. Just depends on how much you are willing to spend. Good Luck with your decision!!!
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Old 02-10-2012, 11:34 AM   #8
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I forgot to mention, if you are wanting a RIPP. Give Jason a call at Krawl Offroad and he will hook you up. Been a great guy to deal with.
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Old 02-10-2012, 11:40 AM   #9
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The RIPP is acknowledged THE BEST, but

If you're worried about warrantys--some people are-then regear your (PRECOOLED) auto and get "OODLES" of more power/w better mileage and ALMOST no threaten to the warranty !!less than 1800 bucks-

You'll also have no "backtalk" from the OBECM, especially once you add a "superchip" or AEV Procal Module !

Choose your weapon !

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Old 02-10-2012, 11:44 AM   #10
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Whats the compression of the 3.8L engines? Regearing to 5.13's or 5.38's is going to wreck the little gas mileage that you have IMO. A supercharger with a good tune would be the way to go
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Old 02-10-2012, 11:45 AM   #11
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Quote:
Originally Posted by JIMBOX View Post
The RIPP is acknowledged THE BEST, but

If you're worried about warrantys--some people are-then regear your (PRECOOLED) auto and get "OODLES" of more power/w better mileage and ALMOST no threaten to the warranty !!less than 1800 bucks-

You'll also have no "backtalk" from the OBECM, especially once you add a "superchip" or AEV Procal Module !

Choose your weapon !

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How do you get better mileage if your at higher cruising RPM's?
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Old 02-10-2012, 11:51 AM   #12
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The engine can produce more power at the (relative) higher RPM and take less air/fuel--it's ""comfort zone"--


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How do you get better mileage if your at higher cruising RPM's?
There ain't no reason forit, it's just the way we doit--

I'm not speaking from graphs/books--this is actual practice !

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Old 02-10-2012, 11:53 AM   #13
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was just talking to my mechanic about the ripp. He had the chance to drive one and said for the price he was'nt impressed. but hey thats just one mans opinion.
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Old 02-10-2012, 11:58 AM   #14
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The engine can produce more power at the (relative) higher RPM and take less air/fuel--it's ""comfort zone"--




There ain't no reason forit, it's just the way we doit--

I'm not speaking from graphs/books--this is actual practice !

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Alright ill take your word for it
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Old 02-10-2012, 12:03 PM   #15
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Heh Heh it actually does work-within reason-


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Alright ill take your word for it
Besides, a considered regearing (non-2012) will result in measureable faster throttle response and "Butt Dyno" increease in power--along with actual Dyno proven power increases-all must be balanced with the JEEPS USEAGE !

Ain't jeepin fun ?

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Old 02-10-2012, 12:11 PM   #16
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Old 02-10-2012, 12:54 PM   #17
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Originally Posted by Jaysrubi View Post
If you have the funds I would say RIPP because I just got mine installed and it is so much more enjoyable to drive now. A regear will also help you some. Just depends on how much you are willing to spend. Good Luck with your decision!!!
I've seen RIPP actually advise folks to go with a regearing before a supercharger. Because RIPP's centrifugal blower utilizes RPM to produce power, the issue of being undergeared is apparently actually magnified with a supercharger. So when folks add bigger tires (or, candidly, the 3.8 auto with even the stock tires and gears) and want to supercharge, RIPP's view is that they really should regear AND supercharge. Otherwise you end up with a somewhat anemic supercharge experience.

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was just talking to my mechanic about the ripp. He had the chance to drive one and said for the price he was'nt impressed. but hey thats just one mans opinion.
That's interesting. I wonder if it had to do with gearing or something else about the set up? I don't think anyone disputes that--properly tuned and set up of course--a RIPP adds about 100 hp at the wheels along with substantially more torque. It should be lot more power--considerably more than the new 3.6 engine.
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Old 02-10-2012, 01:55 PM   #18
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Originally Posted by MTH

I've seen RIPP actually advise folks to go with a regearing before a supercharger. Because RIPP's centrifugal blower utilizes RPM to produce power, the issue of being undergeared is apparently actually magnified with a supercharger. So when folks add bigger tires (or, candidly, the 3.8 auto with even the stock tires and gears) and want to supercharge, RIPP's view is that they really should regear AND supercharge. Otherwise you end up with a somewhat anemic supercharge experience.

That's interesting. I wonder if it had to do with gearing or something else about the set up? I don't think anyone disputes that--properly tuned and set up of course--a RIPP adds about 100 hp at the wheels along with substantially more torque. It should be lot more power--considerably more than the new 3.6 engine.
I also regeared before the blower, so I have no idea how it feels with stock gearing. I do have 37s, so it might not be as bad if it was on stock tires. I wasn't saying not to regear.
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Old 02-10-2012, 01:59 PM   #19
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I wasn't saying not to regear.
No doubt - I didn't read it as advising not to regear. I was just noting that for a supercharger you probably want to factor in the cost of a regearing in ADDITION to the supercharger. Like what you've done. Just imagine if you were running stock gears with those 37s, your RPMs would be way lower, resulting in much less boost, etc.
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Old 02-10-2012, 02:06 PM   #20
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No doubt - I didn't read it as advising not to regear. I was just noting that for a supercharger you probably want to factor in the cost of a regearing in ADDITION to the supercharger. Like what you've done. Just imagine if you were running stock gears with those 37s, your RPMs would be way lower, resulting in much less boost, etc.
Eff all that, just put the money down on a 2012 Ill put my stock 2012 wrangler against someones blown 3.8 in a drag race. Even if I lose the first time I wont the second being that I have experience with Nitrous Oxide
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Old 02-10-2012, 02:12 PM   #21
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Good for you, it's obvious-


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Eff all that, just put the money down on a 2012 Ill put my stock 2012 wrangler against someones blown 3.8 in a drag race. Even if I lose the first time I wont the second being that I have experience with Nitrous Oxide
That you have your jeep for different purposes, other than the obvious use of JEEPS !

I wonder if Don Prudomme ever owned a jeep ?

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Old 02-10-2012, 02:13 PM   #22
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Eff all that, just put the money down on a 2012 Ill put my stock 2012 wrangler against someones blown 3.8 in a drag race. Even if I lose the first time I wont the second being that I have experience with Nitrous Oxide
Yep, it's cheaper to start with a 2012 NOW, but it's not to folks who have ALREADY invested in a pre-2012 model.

Of course, that's true with any vehicle over time--I'd expect that if you're starting with no Vette, it's cheaper to just buy a new one and almost leave it stock than to buy a 10 year old one and mod the beejesus out of it to get the performance that probably comes almost stock on a new one. (Full disclosure: I know nothing about Vettes.)

That said, under the dynos I've seen, a blown 3.8 should put out a good bit more power than a stock 3.6. Not that it really matters. Ripp's working on a SC for the 3.6, so that should run something like a million bajillion horsepower. And we'll still have guys bit*hing about the power . . . .
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Old 02-10-2012, 02:39 PM   #23
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Yep, it's cheaper to start with a 2012 NOW, but it's not to folks who have ALREADY invested in a pre-2012 model.

Of course, that's true with any vehicle over time--I'd expect that if you're starting with no Vette, it's cheaper to just buy a new one and almost leave it stock than to buy a 10 year old one and mod the beejesus out of it to get the performance that probably comes almost stock on a new one. (Full disclosure: I know nothing about Vettes.)

That said, under the dynos I've seen, a blown 3.8 should put out a good bit more power than a stock 3.6. Not that it really matters. Ripp's working on a SC for the 3.6, so that should run something like a million bajillion horsepower. And we'll still have guys bit*hing about the power . . . .

yeah well I do.....



But you are right though. Id just regear in the first place, not sure how much power you need in a jeep.
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Old 02-10-2012, 11:20 PM   #24
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Quote:
Originally Posted by MTH
As noted by Barrie, there are definitely some threads on supercharging. Ripp, Avenger, Hesco, others, and soon even (supposedly) Sprintex put out superchargers.

HOWEVER, my assumption is that you have an automatic transmission. I assume this because your engine actually has a reasonable amount of power--it's just terribly undergeared when paired with the auto trans that came with the 2007 through 2011 wranglers. A $1500 to $1800 regear to 5.13 or 5.38 would yield around a 20% or more increase in power at your wheels.

No supercharger needed.

I actually have the manual tranny, but i still find the engine to be very sluggish especially during highway driving like coming up to a decent hill even going 120km/h i end up having to downshift it...now i do realize the 6th gear is an overdrive and meant for cruising along but even on a flat going to pass a bit of umph would be nice,

Also not me puttin the charger in thats one of my buddies i value my warranty.....for the time being
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Old 02-11-2012, 12:00 AM   #25
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Sell it while it still has some value and get a 12.
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Old 02-11-2012, 06:36 AM   #26
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Quote:
Originally Posted by rubicube

I actually have the manual tranny, but i still find the engine to be very sluggish especially during highway driving like coming up to a decent hill even going 120km/h i end up having to downshift it...now i do realize the 6th gear is an overdrive and meant for cruising along but even on a flat going to pass a bit of umph would be nice,

Also not me puttin the charger in thats one of my buddies i value my warranty.....for the time being
What size tires are you running? If its anything near stock, you may just be upshifting too soon. The 3.8 likes revs--don't use 6th gear at all and try upshifting no sooner than 3500 RPMs. Pair that with a SprintBooster and a manual Rubi should feel pretty peppy.
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Old 02-11-2012, 07:46 AM   #27
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Quote:
Originally Posted by mth

what size tires are you running? If its anything near stock, you may just be upshifting too soon. The 3.8 likes revs--don't use 6th gear at all and try upshifting no sooner than 3500 rpms. Pair that with a sprintbooster and a manual rubi should feel pretty peppy.
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Old 02-11-2012, 07:46 AM   #28
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Quote:
Originally Posted by JIMBOX
Good for you, it's obvious-

That you have your jeep for different purposes, other than the obvious use of JEEPS !

I wonder if Don Prudomme ever owned a jeep ?

JIMBO
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Old 02-11-2012, 09:24 AM   #29
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Quote:
Originally Posted by MTH

What size tires are you running? If its anything near stock, you may just be upshifting too soon. The 3.8 likes revs--don't use 6th gear at all and try upshifting no sooner than 3500 RPMs. Pair that with a SprintBooster and a manual Rubi should feel pretty peppy.
Im running the stock tires just got new rims put on but that wont make a diff, im gonana chrck out the sprintbooster though thank for the help boys
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Old 05-06-2012, 03:39 AM   #30
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Ive got 37" toyos, 5:13's on 5.5" , 3 weeks ago i added the Ripp kit with Gibson headers and exhaust. Its set up at 8lbs of boost and around 2400rpm this thing comes to life. On highway pulls hard all the way to 80. Still playing with the power braking to get it going from a stop, but I cant be happier with this set up. Headed to Colorado in 3 weeks and will be wheeling it all summer up there so I will keep yall posted . I just dont want dump trucks paszing me like last summer. Fyi this was 7g to do but worth it to me!

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