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easy performance mods for a newb

7K views 28 replies 8 participants last post by  99limited 
#1 · (Edited)
ok guys i dont know much of anything about the mechanical part of jeeps. But i really want to learn. i have noticed with my jeep that i dont get as good of a launch as i would like when i get into my little street races. so im wondering what i can do to make it quicker off the line. im gonna buy a CAI and was looking at throddle bodys (how tough of a mod is this?). any help would be very appreciated. im not trying to take this thing to the track or anything just want to make it a little quicker.

this stuff prolly wont happen anytime soon but i wanna get som info around for when i have the $$

4.0 I6
 
#2 ·
Changing your throttle body is easy enough. Just take the old one out and fit your new ported and polished one. You're better to get a seperate one to have ported as it's not something that's done in an afternoon (if your doing it yourself), that way you can still drive your Jeep:thumbsup:.

I've bought a used TB for £50 and plan to port and polish myself, so that's one less expensive mod.

I plan on a CAI too and an exhaust, but there's too much choice:eek::confused: and I've no idea as of yet what's the best.

Good luck with it though bro:thumbsup:
 
#3 ·
thanks much man..one question with the TB..Is it just a few bolts and unplugging some electical stuff?
 
#5 ·
haha thanks alot man..when i get the money im gonna go to the wreck yard and try to pull one off myself so i can get some experience. am i just gonna need a wratchet and some sockets?
 
#7 ·
sweet man i will for sure do that
 
#9 ·
on the vacuum hose. does that stay on or do i just pull it off?
 
#11 ·
ok thanks much man.so the IAC connector connects directly to the IAC shown above correct. thanks in advance. gtg to work will be back on later
 
#12 · (Edited)
Yeah.You see the IAC motor connector on the pic? The smooth bit to the left is the IAC .All you do is unplug it. You'll see that there is two torx screws holding the IAC valve on, undo them and just pull the valve out. Then the reverse for installing:thumbsup: You may even feel a difference in performance once it's all cleaned. Depends how dirty it was. I should point out that the pics are from a v8, but the principle is the same, just a slightly different layout.
 
#13 ·
Those pics are not from a 4.0L i6 so don't expect them to match up with what is on your WJ. Things are fairly similar but then again not the same.
 
#18 ·
Port the TB, Get a CAI (Prefer K&N), Get a Tune, Later down the road stroke it to a 4.6L or a 4.7L.

Don't buy any eBay crap. Never buy a TB Spacer. Complete waste of money and doesn't do anything.
I was sent a TB spacer by a customer recently and was shocked. It had these huge threads (helix?) that were SMALLER in diameter than the OEM TB bore! It boggles my mind that people pay money for these things, and install them actually thinking they work better.

I'll post some pics when I'm finished with it, right now I have it ported to the same size as an OEM TB.
 
#19 ·
The ported throttle body mod is very nice :thumbsup:. Four bolts and unplug I believe three sensors. If necessary transfer existing sensors from the old one to the new one (again very easy and only need a Torx bit). Trust me man, when I mean easy, its easy and I have no mechanical skills. :lol:
 
#22 ·
Look into the superchips or sct. Superchips may be the most economical with its canned tunes. I saw one sell on here for $200.
 
#23 ·
Look into the superchips or sct. Superchips may be the most economical with its canned tunes. I saw one sell on here for $200.
X2 , Superchips would probably help alot

Superchips + colder plugs + 180 stat + CAI + TB (regardless of brand) would feel like a whole new truck
 
#29 ·
ok sweet ryan appreciate your help bro. i will get at you when i need my TB ported.
 
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