turbo 2.4l (a different way) - JeepForum.com

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post #1 of 36 Old 06-23-2011, 08:40 PM Thread Starter
krazzyboy_1
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turbo 2.4l (a different way)

so i put a turbo on my jeep. .48 A/R 60 trim T3 stage one housing on a ATP log manifold and 38mm precision wast gate. and i am already thinking of the next step, SRT4 head pistons rods. and am wondering if anybody has any experience with AEM FIC or other tuner. before you ask i will have pics next week it is in the shop getting the exhaust finished up. i am hoping on over 300hp one day.


DOHC 2.4L Turbo.
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post #2 of 36 Old 06-23-2011, 10:12 PM
rs4race
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Does the srt4 parts fit the jeep motor? more info please.

My Build
http://www.jeepforum.com/forum/f22/rs4races-build-957569/
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post #3 of 36 Old 06-23-2011, 10:37 PM
ohtenwillys
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Quote:
Originally Posted by rs4race View Post
Does the srt4 parts fit the jeep motor? more info please.
thats why its called a 2.4 neon
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post #4 of 36 Old 06-23-2011, 10:47 PM
liftedon37s
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A turbo jeep, I like. Hopefully you don't do alot of rock crawling bc turbo spool would be killer then.

It has some things done to it.
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post #5 of 36 Old 06-23-2011, 10:50 PM
rs4race
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Interesting.... I know the srt4 can make alot of power easy.

As far as the AEM.. I have experience tuning the AEM ecu for a nissan 240sx. Its a really nice unit, the tuning program is pretty easy to use.

My Build
http://www.jeepforum.com/forum/f22/rs4races-build-957569/
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post #6 of 36 Old 06-23-2011, 10:54 PM
rs4race
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Quote:
Originally Posted by liftedon37s View Post
A turbo jeep, I like. Hopefully you don't do alot of rock crawling bc turbo spool would be killer then.
Turbo lag seems to be a common misconception. I built a turbo motor before, and the bottom end made more power than n/a. The turbo lag was just where the turbo really started spooling. The whole tq curve was above what the same motor makes n/a.

My Build
http://www.jeepforum.com/forum/f22/rs4races-build-957569/
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post #7 of 36 Old 06-23-2011, 10:58 PM
LiveAndLearn
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I miss my Audi S4.... Lets see pics of this.
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post #8 of 36 Old 06-23-2011, 11:07 PM Thread Starter
krazzyboy_1
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with the set up i have the boost will turn on under 2000 rpm. the turbo i have is almost to small for the engine but am not going to run the rpms up much so it wont choke out the engine. yes most if not all the parts off the srt will swap on the 2.4 the best things are all the after market support, but the ecu is the hurdle at this point i dont need it right now but it is next on the list.

DOHC 2.4L Turbo.
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post #9 of 36 Old 06-23-2011, 11:13 PM
Juniosjeep
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I have been considering this upgrade myself on my 06 TJ 4 popper. Can someone with basic car knowledge install?also I hate to be nosy, what did the upgrade run you....
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post #10 of 36 Old 06-23-2011, 11:25 PM Thread Starter
krazzyboy_1
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i did most the work my self. i am paying to have the exhaust put on and done right, will have it back next week. i will have 2500 in it so far but it is just the beginning i could stop now if i wanted to but i need more power. i used high end parts as well you could save some coin on a few things.

DOHC 2.4L Turbo.
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post #11 of 36 Old 06-23-2011, 11:55 PM Thread Starter
krazzyboy_1
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ATP manifold- $400
custom t3 turbo -$500 (usedturbos.net)
precisions wast-gate - $275
AEM wide-band o2 - $200
custom flange spacer - $150 (can have others made)
oil lines - $60
misc. parts - $300 (intake hoses, random hardware)
exhaust - $TBD

DOHC 2.4L Turbo.
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post #12 of 36 Old 06-24-2011, 10:42 AM
alexherb
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I would assume the SRT internals are setup to run a lower CR in order to handle more boost. but (only assumption) they are tuned to make their power in a much higher RPM range that what you typically run at.

Are you still running the stock injectors? it may limit you in your tuning if they cant handle the increased fuel load.

I used TurboEdit on my turboed hondas, i dont know if there is similar support for other applications. but it was MUCH cheaper and had a TON of adjustments. It solved the problem of overcoming the stock mapping. Stock ecus only have maps from full vaccum to zero vaccum, if it sees positive pressure it runs in a "default" mode which is crazy rich (safe).

turboedit - http://www.xenocron.com/te.php?page=starting
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post #13 of 36 Old 06-24-2011, 03:51 PM
RubyMax3388
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intercooler or water injection or nothing?
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post #14 of 36 Old 06-24-2011, 04:01 PM Thread Starter
krazzyboy_1
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still on stock injectors but have srt stage 1s on the shelf. not running any cooling right now but that will change. i have it set at 5psi for now till i get the tuner in and a few other things. my engine has a comp of 9.4:1 srt4 is 8.5:1 but the srt has forged pistons and rods.

DOHC 2.4L Turbo.
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post #15 of 36 Old 06-24-2011, 04:12 PM
Juniosjeep
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Quote:
Originally Posted by krazzyboy_1
i did most the work my self. i am paying to have the exhaust put on and done right, will have it back next week. i will have 2500 in it so far but it is just the beginning i could stop now if i wanted to but i need more power. i used high end parts as well you could save some coin on a few things.
My TJ is pretty much stock under the hood w/ the exception of a cold air intake and mine is definetly no powerhouse, but runs well for what it is. So I'm curious how much of a diff did the current upgrade gave you? I know I could definetly use some more hill pulling power as I travel from Charlotte NC to Morgantown WV a few times a year. I'm not looking for too much but just a little more than it than it currently has. I get fairly good gas milage w/ my jeep now even with some slightly larger tires. I do most of my driving in the Charlotte area and it's pretty flat here, not many hills to climb. Also did the upgrade change the sound much?? Mine has a very deep sound from the stock exhaust and I also get a slight air swishing sound as I shift then get in the gas.....did your 2.4 do the same?
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