Turbo Charged 4.0L??
10-26-2011, 11:26 AM
#1
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Year: 1994
Model: Cherokee
Engine: 4.0L i6
Turbo Charged 4.0L??
Was checking out the parts lists at the local junk yard and seen a turbo set up for really cheap....so it got me thinking...anyone put a turbo on your i6 4.0L? If so you got pics? Not looking for a how to, I just want to see if anyone has actually done this before lol.
10-26-2011, 12:09 PM
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Year: 1999
Model: Cherokee
Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust
I have seen some people do it (online), on Naxja there was a guy selling them a while back... Ive seen a few on wranglers but have never seen anyone do it on a XJ in person. I know there are few superchargers out there for the XJ (require removing AC).
So yes it is possible
So yes it is possible
10-26-2011, 12:19 PM
#7
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Year: 1999
Model: Cherokee
Engine: 4.0 Litre Chrysler MPI, "High Output"
Its been done. and is very doable. You wouldnt be able to boost much unless you built up the internals and then once you got that power there is the next weakest link. transmission, ujoints, differentials...
IF your looking to boost it, just to boost it. Then you probably wouldnt be able to boost over 5-7psi without major mods.
You'd need bigger injectors adjustable fuel pres regulator, maybe even high flow fuel pump. boost controller, retune of ecu.
Money and time any mod is possible
IF your looking to boost it, just to boost it. Then you probably wouldnt be able to boost over 5-7psi without major mods.
You'd need bigger injectors adjustable fuel pres regulator, maybe even high flow fuel pump. boost controller, retune of ecu.
Money and time any mod is possible
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10-26-2011, 12:20 PM
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Year: 1999
Model: Cherokee
Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust
haha they both are but if you can do it to a 4.0 wrangler, you can do it to an XJ (engine wise) only a few differences
but if you can do it to a 4.0 wrangler, you can do it to an XJ (engine wise) only a few differences
10-26-2011, 12:31 PM
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Year: 1999
Model: Cherokee
Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust
all I am saying is that the two engines are very close.. if you want a turbo, you can fit it in there somewhere
10-26-2011, 12:42 PM
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Year: 1999
Model: Cherokee
Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust
very true... I wish I knew the link to the guys website who was selling them for xjs but I lost it 
10-26-2011, 01:52 PM
#13
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Year: 1994
Model: Cherokee
Engine: 4.0L i6
wow! here i thought i was on to something original and seems people are already doing. guess i came to the right place haha. thanks for all the posts/pics/links everyone. gives me some ideas now. time to brush up on my turbo fundamentals >=D
10-26-2011, 07:49 PM
#14
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Year: 99
Model: Cherokee
Engine: 4.0L high output
heres an I6 out of a 04 wrangler that they did a little work to http://www.jpmagazine.com/techarticl...t_2/index.html
a full 693hp of work, but that involes about 30lbs of boost
a full 693hp of work, but that involes about 30lbs of boost
10-26-2011, 09:37 PM
#15
After that sweet *** air-to-water cooler, he puts a dinky *** knock off HKS SSQV blow off valve; with the fo-carbon fiber too. Gross.
The biggest thing is monitoring and tuning. Any jackass can try to throw a turbo on something but tuning and monitoring is always left out for some reason, as if installing a turbo was like doing an intake. I've got a single turbo 500hp 4cyl, and spend loads of time data logging runs, doing dyno sessions, and adding monitoring devices. The XJ would be no different. So to that I say, no thanks. One boosted car is enough headache.
The biggest thing is monitoring and tuning. Any jackass can try to throw a turbo on something but tuning and monitoring is always left out for some reason, as if installing a turbo was like doing an intake. I've got a single turbo 500hp 4cyl, and spend loads of time data logging runs, doing dyno sessions, and adding monitoring devices. The XJ would be no different. So to that I say, no thanks. One boosted car is enough headache.
Last edited by s14unimog; 10-26-2011 at 09:40 PM.