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General Forums => The Mess Hall => Topic started by: Guardian7 on March 11, 2007, 11:16:04 PM

Title: 4.0 Throttle Body Swap
Post by: Guardian7 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.

Title: Re: 4.0 Throttle Body Swap
Post by: chardrc 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.

Title: Re: 4.0 Throttle Body Swap
Post by: Jesse-James on March 12, 2007, 08:09:57 AM

He moved to the dark side and got him self a round headlighted rig. :blbl:

Title: Re: 4.0 Throttle Body Swap
Post by: lanulos89 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

Title: Re: 4.0 Throttle Body Swap
Post by: chardrc on March 12, 2007, 05:40:50 PM

ow ya thats right you got one from school... lucky man...

Title: Re: 4.0 Throttle Body Swap
Post by: Guardian7 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!