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Old 11-09-2014, 07:50 PM
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Sprintex Supercharger

OK I did a search not much came up. I can get a used sprintex supercharge for my 2010 2 door 3.8. Anyone heard good or bad on this kit? Thanks

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Old 11-10-2014, 02:42 PM
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Anyone have any info on this kit????

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Old 11-10-2014, 04:03 PM   #3
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Great kit. Iv seen it a lot on Instagram and it hasn't had any problems from what iv seen. How much are you getting it for?
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Old 11-10-2014, 05:29 PM
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I'm hoping 1,700 full kit
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Old 11-10-2014, 06:01 PM   #5
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Personal experience with the sprintex, and I highly urge you to not buy the system! There is a reason they are so cheap new now! Ran it on my jeep for a year with nothing but problems. 8 months of tunes could not fix the surging or fuel economy. Pre sc was 19-20mpg, with sc 7mpg same driving! The increase in hp wasn't nearly what was advertised only had a 20hp gain, and about 50ft lbs. after about 9 months I had parts of my wiring harness around the supercharger melt, exhaust headers cracked, and my battery tray/heat shield melted as well. When I took the sprintex off and sold it, it took me about 6 months to fix all the problems it caused. Everyone I know that has bought the sprintex has taken it off since and gotten rid of the unit. They also have bearing failures and there have been cases where the supercharger has failed completely, not only in the jeep world but mini's and brz's

Best advice I can give you is stay away from sprintex!
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Old 11-10-2014, 06:34 PM
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Thank you for the advice and saving me $$$$$$
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Old 11-10-2014, 07:08 PM   #7
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No problem, just don't want to see anyone else go through what I and many others have!
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Old 11-12-2014, 04:00 PM   #8
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What jeep did you have the sprintex on? Was it a top mount kit? what programmer did you use?

I have the side mount sprintex on my XJ and it has been fine.
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1998 XJ 2D lifted 32" Sprintex Supercharger 265rwHP 10 pounds boost
1999 XJ 2D lowered 2wd 'RaceJeep' M62 supercharger 210rwHP 6 pounds boost
1998 XJ 2D lifted 35s BoostedTech M90 Supercharger 220rwhp 6-7 pounds boost
2x 1985 XJ 4D 2.1L TurboDiesel, factory option, Auto and Manual, preserve history VIN #-000005
Jeep M62/M90 Supercharger Enthusiast
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Old 11-13-2014, 10:27 AM   #9
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3.8L with a diablosport tuner
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Old 11-13-2014, 01:26 PM   #10
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JK 3.8L. Nobody seem to have the tuners figured out completely, Ripp, Magnuson, Sprintex.

On the 4.0L I6 engine, the Sprintex works great with a Split Second FTC-1 and 7th injector.
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1998 XJ 2D lifted 32" Sprintex Supercharger 265rwHP 10 pounds boost
1999 XJ 2D lowered 2wd 'RaceJeep' M62 supercharger 210rwHP 6 pounds boost
1998 XJ 2D lifted 35s BoostedTech M90 Supercharger 220rwhp 6-7 pounds boost
2x 1985 XJ 4D 2.1L TurboDiesel, factory option, Auto and Manual, preserve history VIN #-000005
Jeep M62/M90 Supercharger Enthusiast
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Old 11-14-2014, 07:27 PM   #11
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Ran across these guys at SEMA this year. The engineering group seemed to be highly competent and knowledgable. They have a new kit for the 3.6 that looks pretty interesting. The install was clean.
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Old 11-15-2014, 05:03 AM   #12
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Which Guys? Sprintex?
Their engineering is very well for the kit. Design, etc. It is the tuning where the problem is and the tuning is sourced to someone else like hypertech or diablosport.
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1998 XJ 2D lifted 32" Sprintex Supercharger 265rwHP 10 pounds boost
1999 XJ 2D lowered 2wd 'RaceJeep' M62 supercharger 210rwHP 6 pounds boost
1998 XJ 2D lifted 35s BoostedTech M90 Supercharger 220rwhp 6-7 pounds boost
2x 1985 XJ 4D 2.1L TurboDiesel, factory option, Auto and Manual, preserve history VIN #-000005
Jeep M62/M90 Supercharger Enthusiast
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Old 11-17-2014, 10:02 PM   #13
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supercharger

Just save your money & get a Magnuson, of course this is a biased opinion. Love mine !
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Old 11-17-2014, 11:35 PM   #14
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Strange I did a great deal of research and from what I have read was early on they had tune issues but the finally got it right. I hope you are a unique case as I just bought one. Will install over xmas
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Old 12-10-2014, 05:37 PM   #15
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Nope... I have not heard anything about that one... everything led me back to Ripp, as you can blow it up while in the middle of no where, take the belt and re route it away from the super charger and get back home
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Old 12-14-2014, 07:02 PM   #16
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Nope... I have not heard anything about that one... everything led me back to Ripp, as you can blow it up while in the middle of no where, take the belt and re route it away from the super charger and get back home
not sure it's that easy, you have larger fuel injectors, different MFS, and a spool blocking your air flow.
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Old 12-17-2014, 03:19 PM   #17
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Originally Posted by 2climbbig View Post
not sure it's that easy, you have larger fuel injectors, different MFS, and a spool blocking your air flow.
It is that easy, everything is scaled through the calibration. The engine can breathe fine through the Centrifugal supercharger (no lobes in the way).

RIPP
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Old 12-18-2014, 06:28 PM   #18
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Having been involved with the Sprintex JK system in the beginning I can offer the following observations.
The S/C unit itself is a work of art. Well made but intolerant of dirt due to the very tight clearances between the rotors and the housing. 002 inch. Due to the rotors going different speeds any contamination is catastrophic to the unit. The Eatons rotors spin the same speed so you see a nick in the rotors and a corresponding groove in the housing and it just keeps on going. Also in very cold climates there have been some seizure's at startup.
There has been product intro problems but current units are well made.
I stopped selling Sprintex product after warranty issues forced me to go another direction. Most were centered on contamination and not Sprintex's fault. I have seen [email protected] filters look like dirtmounds due to gross lack of care. If you are meticulous and can get the tune sorted it is a lot of product for the money.
I now use Eatons on my TJ systems. Bulletproof. Same with my new JK units.
I have the 97 to 04 units well sorted. Over 100 sold. We have six months into the JK system and are doing well.
During early testing we took a totally worn out M62 that looked like it had never run an air filter and we found it made 5lbs of boost on our system. we then installed a brand new unit Bryce Buchta, one of my dealers bought from a GM store. It was quieter and made 5 1/2 lbs boost. The OE manufacturers are very good at making things work.
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Old 01-17-2015, 09:08 PM   #19
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Well, I installed my sprintex a few weeks ago and it rocks. The low end torque rocks. Also, come to find out I can run the the engine without the sprintec engaged. Very cool. When crawling, I can keep my rpms low and crawl with absolute control. As for my mpg, it did not drop. This was a pleasant surprise.
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Old 01-26-2015, 09:44 PM   #20
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One more update... last couple of tanks of gas has yielded a 1 mpg jump in the city and a 2 mpg jump on the highway.


I am running 14.7 mpg on the highway with 38" tires on 4.88 gears
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Old 06-17-2015, 03:07 PM   #21
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I've been struggling with a Sprintex install on my 2006 LJ for over eight months. The tunes are crap, I'm on my eighth tune and it still continues to throw codes and kick in the rev limiter at 3900 rpm. The last couple of tunes have dropped my gas mileage to a point that I wonder if I will be able to return to the gas station before it runs out, getting around 5-6 mpg now where I was pretty steady at 10-11 mpg before the unit was installed.

I'm glad this isn't a daily driver, I wouldn't want to put up with all the issues if I was trying to drive it everyday. I certainly can't recommend the product to anyone.
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Old 06-22-2015, 06:43 AM   #22
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I have had no issues with a Sprintex SC on '98 XJ. But then again I don't use bigger injectors and try to tune the ECU. I use the 6 stock injectors and stock EECU tune and I use a 7th injector for the extra fuel and cooling and control it and the boost timing with a Split Second FTC1. Over 30k hard miles.

The way I see it is, without using an intercooler and using 6 bigger injectors and a tuner will never work well. No body listens.
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1998 XJ 2D lifted 32" Sprintex Supercharger 265rwHP 10 pounds boost
1999 XJ 2D lowered 2wd 'RaceJeep' M62 supercharger 210rwHP 6 pounds boost
1998 XJ 2D lifted 35s BoostedTech M90 Supercharger 220rwhp 6-7 pounds boost
2x 1985 XJ 4D 2.1L TurboDiesel, factory option, Auto and Manual, preserve history VIN #-000005
Jeep M62/M90 Supercharger Enthusiast
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Old 06-23-2015, 07:13 AM   #23
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Blow up after 2 years

I've had sprintex on 2011 JK 3.8 for just over 2 years. Had initial tuning issues but RPM Extreme were very helpful and kept tweeking until it was spot on. Basically didn't have to do any re tunes for @ 20 months.

Major problem this morning, the super charger blew the bearing.

Now the decision of replacing or going back stock.

I've never abused the unit, regular oil change with specified gear oils. Had come back from a country trip and next morning just got about a Km up the road and bearing was screaming. Top bearing will barely turn.

Comes down to economics.. 2 years use for a $4000 AUD product, not the best value for money.

Add to this significantly increased fuel consumption.

Was satisfied with added performance.

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