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Unread 05-11-2011, 09:41 AM   #1
DeFillippo
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99 tj supercharger

I'm looking into superchargeing my 99 tj and am wondering if any one has done this and can point me in the right direction. Any help is appreciated.

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Unread 05-11-2011, 09:47 AM   #2
RUBICON_TERRY
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I think in the past mopar used to sell a whipple type for the 4.0
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Unread 05-11-2011, 09:48 AM   #3
DeFillippo
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I will look that up and o ya should have said I have I6 4.0
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Unread 05-11-2011, 10:01 AM   #4
Unlimited04
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Avenger Superchargers sells a twin screw kit. They're customer service is terrible and they do nothing with the computer. Expect to buy a $600-1000 piggyback ECU like the SplitSecond FTC-1 or Unichip-Q and pay for local dyno tuning if you go that direction.

Hesco sells a roots type kit. They're the leader in 4.0L performance.

RIPP MODS sells a centrifigual kit, with their own piggyback ECU for tuning. Currently seems like the best option.

Either way, expect a viable kit to run $4000-5000, or more.
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Unread 05-11-2011, 10:10 AM   #5
DeFillippo
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Rippmods dosent make a kit for the 99 tj I sent them some emails. Would it be cheaper to put a Turbo in? I live in new Mexico and 505performance will install a Turbo for $4500.
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Unread 05-11-2011, 10:34 AM   #6
RockRodHooligan
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Kenny Bell also makes a supercharger for the 4.0.

It might be a about the same cost(or cheeper) to build a stroker, you can build it on a tight budget or go big, not as easy to do when you as going with forced induction.
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Unread 05-11-2011, 10:35 AM   #7
ChrisTJCO
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Not to be one of those annoying guys who responds to a post saying "I want x" with "no you don't, you want y," but if you're looking to drop that kind of cash, you might be better served doing a V8 swap or at least a stroker.
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Unread 05-11-2011, 11:09 AM   #8
DeFillippo
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I was thinking about a v8 swap but that is a little out of my know how. How much would a v8 swap cost (estimate).
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Unread 05-11-2011, 11:13 AM   #9
ChrisTJCO
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To get someone else to do it? A lot. Probably around 8-10 grand. If you can do it yourself, you can probably get out for as little as 2 grand (maybe) but probably more like 4-5.

I'm not sure how much folks have spent on a stroker. Truthfully, the 4.0 produces plenty of power. What are the other specs on your Jeep? Chances are you are undergeared. Drop $1000 on regearing properly and you'll be shocked at the power you have.
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Unread 05-11-2011, 11:20 AM   #10
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Quote:
Originally Posted by RockRodHooligan View Post
Kenny Bell also makes a supercharger for the 4.0.

It might be a about the same cost(or cheeper) to build a stroker, you can build it on a tight budget or go big, not as easy to do when you as going with forced induction.
Kenne Bell discontinued SC years ago for the 4.0.They didn't sell enough of them to keep production going.
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Unread 05-11-2011, 11:31 AM   #11
DeFillippo
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I can do the swap my self probley and re gearing is definatly on the list I just want to look at all my options. I mean my jeep has power but more is never a bad thing
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Unread 05-11-2011, 11:42 AM   #12
Brewskiskeeter
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Look into Vortec superchargers. I had one on my 01 Ram with the 360. I then put 4.56 gears and was running 37's and the thing freaking screamed. I was not nice to that truck either, and Had about 40,000 on the charger and it ran like the day I got it. I did alot of research when I started looking into it and Vortec had the best reputation for reliability and quality.
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Unread 05-11-2011, 01:01 PM   #13
DeFillippo
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I.looked at vortech they don't have a kit for a 99. I looked at buying just the supercharger and fabricating it.
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