Turbocharge in-line 6? - Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > TJ Jeep Wrangler Forum > TJ General Discussion Forum

Join Wrangler Forum Today


Reply
 
Thread Tools

Please support our sponsors and let them know you heard about them on WranglerForum.com
Old 04-03-2012, 03:44 PM   #1
Newb
 
Join Date: Dec 2011
Location: Southern Illinois near Murphysboro
Posts: 3
Turbocharge in-line 6?

Anybody out there have any recommendations for a relatively inexpensive kit to turbocharge my inline 6. I have heard you can practically double torque & horsepower if you do it right. Who gives a shirt about the price of gas?

washmyjeep is offline   Quote
Old 04-03-2012, 03:47 PM   #2
Jeeper
 
I-Want-A-Jeep's Avatar
 
Join Date: Dec 2011
Posts: 650
Hey you're only about 45 minutes from me..

Inexpensive, kit, and turbocharge aren't generally 3 words that play well together. There's a lot of time and $$ to be spent getting a naturally aspirated engine turbocharged and tuned properly. I'm definitely no expert, but I wouldn't personally buy a kit and slap it on my Jeep. My $0.02

I-Want-A-Jeep is offline   Quote
Old 04-03-2012, 03:53 PM   #3
Jeeper
 
Dextreme's Avatar
 
Join Date: Oct 2011
Location: Oregon City, OR
Posts: 5,140
__________________
'99 Chili Pepper TJ Wrangler "Mistress"
33x12.5 DuraTracs
Zone 4.25"
Dextreme is offline   Quote
Old 04-03-2012, 03:53 PM   #4
Jeeper
 
Kota7x's Avatar
 
Join Date: Jul 2011
Location: 92677 & 92004
Posts: 1,906
What kind of tires and gearing are you running? Re-gearing for tires over 31" will bring back almost all of your power.
__________________
http://s3-us-west-2.amazonaws.com/forum-signatures/signature_54ecf9ccf5d0de42219eeb75.jpg
Kota7x is offline   Quote
Old 04-03-2012, 03:58 PM   #5
Jeeper
 
Beachcruiser's Avatar
 
Join Date: Feb 2012
Location: Raleigh, NC
Posts: 429
Choose your poison:

Forced Induction
Beachcruiser is offline   Quote
Old 04-03-2012, 04:03 PM   #6
Jeeper
 
Sherpa's Avatar
 
Join Date: Oct 2010
Location: Lehi, UT
Posts: 1,252
Quote:
Originally Posted by washmyjeep View Post
Anybody out there have any recommendations for a relatively inexpensive kit to turbocharge my inline 6.
If you are on a budget, your best method is to design your own system. If you're going to do that, at the very least you should begin by buying this book... and reading it cover to cover at least three times:

Amazon.com: Maximum Boost: Designing, Testing, and Installing Turbocharger Systems (Engineering and Performance) (9780837601601): Corky Bell: Books

Quote:
Originally Posted by washmyjeep View Post
I have heard you can practically double torque & horsepower if you do it right.
This is correct. Be advised, however, that doubling your torque and power will require running about 15 psi boost pressure with a well-designed intercooler. Off hand, I don't know if the mighty 4.0L bottom end will handle that much boost without upgrades. Some engines can do that from the factory; others will die a violent fiery death in the attempt.

"You've got to ask yourself one question: Do I feel lucky? Well, do ya, punk?"
__________________
Dempsey Bowling
My fleet: 91 Miata, 98 Wrangler Sport, 01 Suburban 8.1L, 14 Impreza, 03 Protege
Jeep mods: 4" longarm + 1" BL, 35" KM2s, 4.56s with dual ARBs... and lots of scratched armor
Sherpa is offline   Quote
Old 04-03-2012, 04:03 PM   #7
Jeeper
 
UnlimitedLJ04's Avatar
 
Join Date: Aug 2010
Posts: 8,448
What do you consider inexpensive?

The 505 Performance kit runs around $5000 last time I checked. The Banks sounds good, there is a thread on it over on JF. It's is mostly about how bad Banks customer service is, and they keep putting off the release date..."it'll be released in another month" has been the talk for several months now. So you can't count on that.
UnlimitedLJ04 is offline   Quote
Old 04-03-2012, 04:15 PM   #8
Jeeper
 
CharTay's Avatar
 
Join Date: Jan 2012
Posts: 1,385
I want this for my 4.2!
CharTay is offline   Quote
Old 04-03-2012, 04:27 PM   #9
Jeeper
 
colorubi's Avatar
 
Join Date: Jun 2011
Location: Longmont CO
Posts: 239
I've been running an Avenger/Magnuson Roots blower on my 2003. I have been running it at 8 lbs boost level for quite some time with no engine damage. I will be going to 10 lbs boost soon with a 2.0" drive pulley. (Avenger sends it with a 3.0")
The lower end seems to be plenty strong. If you take the oil pan off you will see they have main stud girdles on the block. I have had no problems losing compression seal on the cylinders. No broken parts and seems to be holding up well. Premium pump gas exclusively (91 octane at 1 mile high altitude) Of course I stepped up the injector size (30 lb Ford Racing injectors) for the boost level and run a programmable MAP sensor to get the lower end fuel mapping right with the larger injectors.
Avenger only runs the supercharger at 4 or 4.5 lbs boost, leaving a lot of performance on the table.
colorubi is offline   Quote
Old 04-03-2012, 04:31 PM   #10
Jeeper
 
Join Date: Nov 2011
Location: Calgary, Alberta
Posts: 212
Here you go, 440 HP 4.0L

440 HP turbo 4.0l for sale
Vinman is offline   Quote
Old 04-03-2012, 04:34 PM   #11
Jeeper
 
Jonny15's Avatar
 
Join Date: May 2007
Location: Dover, New Hampshire
Posts: 839
Also consider that if you're looking to utilize that power offroad a turbo will not be your best choice.

Turbo's need to spool up before they provide boost (turbo lag), so you'll have to keep your engine rpms up high enough to keep that extra hp and torque. If you mud bog maybe it wont be a problem, but if you crawl or do technical trails the sudden increase in hp and torque as you take your foot on and off the pedal will make the jeep tough to control. If you run a sequential turbos (smaller one for lower rpms and a bigger for higher rpms) or a small turbo made to have almost no lag you might be ok but otherwise i'd just stay away.

A supercharger would be a much more useful mod to a jeep that see's trail use than a turbocharger. Its driven by the engine instead of the exhaust so there is no lag.

If you're just looking to go fast onroad then a turbo will be fine...but you're money would be better spent selling the jeep and buying a turbocharged car.

A better alternative to a supercharger or turbocharger for a jeep is an engine swap imo. 4.6 stroker, cummins 4bt, v8...take your pick, they'd all be better (possibly cheaper) options if you ask me.
Jonny15 is offline   Quote
Old 04-03-2012, 05:13 PM   #12
Jeeper

WF Supporting Member
 
6InARowMakesItGo's Avatar
 
Join Date: Aug 2010
Location: right behind you
Posts: 1,863
Quote:
Originally Posted by Jonny15 View Post
A supercharger would be a much more useful mod to a jeep that see's trail use than a turbocharger. Its driven by the engine instead of the exhaust so there is no lag.
this. but i still think re gearing would be a better choice.
__________________
2003 Rubicon, 4.0L, 5SPD, Custom 4.75" lift, 33" MT Baja Claws
1999 SE, 2.5L, 5SPD, sold it
PM me for wheeling in and around Northern Illinois
6InARowMakesItGo is offline   Quote
Old 04-03-2012, 05:23 PM   #13
Jeeper
 
yjkid95's Avatar
 
Join Date: Jan 2010
Location: Great Lakes, Illinios.
Posts: 1,851
Just do as I did swap a sbc 350 in that thing! Although I am considering putting a 50 or 75 shot of nitrous into it hehehe might help when ever I see a really big sand dune or mud puddle.
__________________
My Build Thread... with plenty of pics
yjkid95 is offline   Quote
Old 04-03-2012, 05:55 PM   #14
Jeeper
 
Sherpa's Avatar
 
Join Date: Oct 2010
Location: Lehi, UT
Posts: 1,252
Quote:
Originally Posted by 6InARowMakesItGo View Post
i still think re gearing would be a better choice.
x2. I freely admit that I am a bizarre speed junkie--I drag race turbocharged minivans, for Pete's sake--but I have never been in any situation where I thought a 4.0L Wrangler with axle gears appropriate for its tire size was underpowered. Seriously.

__________________
Dempsey Bowling
My fleet: 91 Miata, 98 Wrangler Sport, 01 Suburban 8.1L, 14 Impreza, 03 Protege
Jeep mods: 4" longarm + 1" BL, 35" KM2s, 4.56s with dual ARBs... and lots of scratched armor
Sherpa is offline   Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Lack of power in my 2.5 sport flyingmythos TJ General Discussion Forum 37 04-29-2012 09:41 AM
First-time owner in Worcester Seginus Massachusetts Jeep Forum 15 04-17-2012 08:55 AM
Loud Music in 4X4 Videos - Ugh! baytownbert General Jeep Discussion 36 04-08-2012 10:55 AM



Download our Mobile App

» Featured Product

All times are GMT -5. The time now is 01:57 PM.


User Alert System provided by Advanced User Tagging v3.1.0 (Pro) - vBulletin Mods & Addons Copyright © 2015 DragonByte Technologies Ltd.

Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC