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Author Topic: 4.0 Throttle Body Swap  (Read 860 times)

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Guardian7

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4.0 Throttle Body Swap
« on: March 11, 2007, 11:16:04 PM »
Just finished the 4.0 Throttle body swap on my 98 TJ and I am very impressed with the overall improvement. The engine idles smoother and has a very nice power gain! The only issue was of course the torx security screws on the AIS housing but I found the tool at Harbor Freight in both a socket driver and folding pocket type. This is one of the best performance mods I have done to my 4banger and thanks to all the technical information on this forum it was a breeze.
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Offline chardrc

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  • Posts: 3535
Re: 4.0 Throttle Body Swap
« Reply #1 on: March 12, 2007, 06:05:28 AM »
wow haven't heard from you in a while.. and haven't heard of anyone doing this recently... what ever happened to your throttle body spacer project.
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

Jesse-James

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Re: 4.0 Throttle Body Swap
« Reply #2 on: March 12, 2007, 08:09:57 AM »
He moved to the dark side and got him self a round headlighted rig. :blbl:
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lanulos89

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Re: 4.0 Throttle Body Swap
« Reply #3 on: March 12, 2007, 04:51:06 PM »
chad dude are you kidding me i posted a bout  my 4.0 swap last week.  just unde rthe wrong section i sopose
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Offline chardrc

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  • Posts: 3535
Re: 4.0 Throttle Body Swap
« Reply #4 on: March 12, 2007, 05:40:50 PM »
ow ya thats right you got one from school... lucky man...
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

Guardian7

  • Guest
Re: 4.0 Throttle Body Swap
« Reply #5 on: March 14, 2007, 12:10:13 AM »
Yeah I have been going through my TJ one item at a time trying to get it all dialed in. My YJ spacer project has been on the back burner plus I need cash for materials to run off some quantity and most of my money's been going into my TJ with current focus being engine performance. The 4.0L TB swap was well worth the money spent. Took her to have the tires balanced last weekend and was told all my rims are bent, rock crawling does take it's toll, so Just Empty Every Pocket or keep it in the garage!
« Last Edit: March 14, 2007, 12:15:03 AM by Guardian7 »
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