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Sprintex or Maguson Supercharger on 3.8....PLEASE HELP!!!!!!!!

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Old 02-29-2016, 01:56 AM
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Originally Posted by Montero26
are u running Dana 60 in front or 30?

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Dana 30 front, haven't broken anything wheeling in the Victorian high country. lots of steep low range rocky tracks but looking at upgrade options here in Australia.

Dollar has taken a hit against greenback so it's getting a bit expensive unfortunately
Old 04-11-2016, 03:25 AM
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http://youtu.be/bI_QZR4chHA Sent from my iPad using JK-Forum
Old 04-11-2016, 04:02 AM
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Originally Posted by Montero26
Video Link: http://youtu.be/bI_QZR4chHA Sent from my iPad using JK-Forum
Please fill me in on the cost and reliability so far? Also how do you like the power gains?
Old 08-24-2016, 06:17 PM
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The sprintex sc has been great! I have about 5k miles on it with a soft tune for break in. I plan on turning up boost from the current 4 pounds to around 7 pounds which sprintex recommended as being safe for the 3.8! Even at only 4 pounds the acceleration is awesome and the whine of the sc pretty awesome! I have countless people on the road try to race me in a JEEP! Lol It's really nice having the extra get up and go speed and I highly recommend sprintex.

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Old 08-25-2016, 09:49 PM
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How loud is the SC while driving on the highway? Do you run aftermarket or stock exhaust? Can I confirm thats a 3.8 in there, that Jeep looks brand new!
Old 08-26-2016, 06:44 AM
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Default How do you plan to "turn up the boost"

Smaller pulley I assume?
Old 08-26-2016, 06:51 AM
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7lbs??! I just upgraded to the intercooler on my Sprintex'd 3.8L. I haven't gotten the tune loaded yet. I'm excited to see what it will do with the intercooler. I have good pull until I hit about 4k, then it didn't have the wind behind it. I'm curious to see what this new, smaller pulley will do!
Old 08-26-2016, 06:52 AM
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Originally Posted by Ajkaz
How loud is the SC while driving on the highway? Do you run aftermarket or stock exhaust? Can I confirm thats a 3.8 in there, that Jeep looks brand new!
The supercharger has a good whine to it when you get on it like around 3-4 grand and at idle you can tell its supercharged. The highway you can only hear it if you get on it like to pass a vehicle or something in that nature that you would need to punch it to pass. The supercharger has more low end power then top end but I'm hoping my new tune I'll be getting will help at the top end power on the 3.8. Currently, I'm running a soft tune so just with the added power from stock its a different 3.8. It's a blast to drive and I have driven the 3.6 and nothing compares to a supercharger....that much difference can't imagine what extra boost will bring. I do have 4.88 gears too so that helps as well....
Old 08-26-2016, 06:54 AM
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Originally Posted by Montero26
The supercharger has a good whine to it when you get on it like around 3-4 grand and at idle you can tell its supercharged. The highway you can only hear it if you get on it like to pass a vehicle or something in that nature that you would need to punch it to pass. The supercharger has more low end power then top end but I'm hoping my new tune I'll be getting will help at the top end power on the 3.8. Currently, I'm running a soft tune so just with the added power from stock its a different 3.8. It's a blast to drive and I have driven the 3.6 and nothing compares to a supercharger....that much difference can't imagine what extra boost will bring. I do have 4.88 gears too so that helps as well....
oh i do have MagnaFlow exhaust.
Old 08-26-2016, 06:57 AM
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Originally Posted by menzzer37
7lbs??! I just upgraded to the intercooler on my Sprintex'd 3.8L. I haven't gotten the tune loaded yet. I'm excited to see what it will do with the intercooler. I have good pull until I hit about 4k, then it didn't have the wind behind it. I'm curious to see what this new, smaller pulley will do!
I have the intercooler as well. I will be getting the new tune in October. The shop that did all the work on my jeep is taking care of the tune and wants to keep the jeep several days just to make sure everything is ironed out like shift points etc...I will report back once tune is in. I believe the smaller pulley is already on my jeep.


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