Modified XJ Cherokee Tech XJ (84-01)
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Old 12-28-2012, 05:02 AM
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Worth the $4,500?
Old 12-28-2012, 06:28 AM
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Which one? How complete? Installed?
Old 12-28-2012, 06:46 AM
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a lot of work if you got the time and cash i say why not ive seen some 4.0 make pretty good power if thats wat ur looking for. you can also get decent power if you bore and stroke her too for less money
ended up w/312.2hp@5400 and 330.5tq@4400
Old 12-28-2012, 08:34 AM
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http://www.hescosc.com/shop.asp?acti...D=43033&catId=
Old 12-28-2012, 10:02 AM
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Hescos kit I see uses an auxiliary fuel pump and a FMU to bump up the rail fuel pressure to increase the output of the stock injectors and no timing retard. Bolts on to a stock intake manifold. I wouldn't touch it.
Old 12-28-2012, 10:28 AM
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Originally Posted by CobraMarty
Hescos kit I see uses an auxiliary fuel pump and a FMU to bump up the rail fuel pressure to increase the output of the stock injectors and no timing retard. Bolts on to a stock intake manifold. I wouldn't touch it.
Why not?
Old 12-28-2012, 11:00 AM
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For that kind of money (a lot less actually) you can do a Vortec swap and get excellent power and reliability.
Old 12-28-2012, 01:23 PM
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rebild ur 4.0 30 over and cam it
Old 12-28-2012, 01:51 PM
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Who would be a good place to take it too too get it bored?
Old 12-28-2012, 01:52 PM
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Originally Posted by SeriousOffroad
For that kind of money (a lot less actually) you can do a Vortec swap and get excellent power and reliability.
How would i go about doing this?
Old 12-28-2012, 02:12 PM
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Originally Posted by Gee oh Dee
Why not?
The second fuel pump and FMU is a poor method and difficult to accurately tune for the additional fuel needed and No timing retard- if you don't know what you're doing, is asking for trouble/detonation/broken parts. Rule of thumb is 1* retard for each 1 pound of boost, 5* retard for 5 pounds boost if you have adequate added fuel and good AFR's..
Old 12-28-2012, 06:29 PM
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Originally Posted by 97xjCrow

How would i go about doing this?
Doesn't sound like you're ready of any of this. The first step will be opening your wallet.
Old 12-28-2012, 06:35 PM
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Originally Posted by DeftwillP

Doesn't sound like you're ready of any of this. The first step will be opening your wallet.
?

Last edited by 97xjCrow; 12-28-2012 at 06:39 PM.
Old 12-28-2012, 07:04 PM
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Originally Posted by 97xjCrow
How would i go about doing this?
Here's what I did, better get a beer or two......
http://www.naxja.org/forum/showthread.php?t=1007477
Old 12-28-2012, 07:14 PM
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Originally Posted by SeriousOffroad
Here's what I did, better get a beer or two......
http://www.naxja.org/forum/showthread.php?t=1007477
A beer or two? More like a few kegs! That is some fine work though


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