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i have a 99 and up intake i'd like to install and im definately more inclined to bore my own TB than pay for one...
the only question i have about boring it out is how you get the butterfly to match the new bore?
thanks
if you want it larger than 60mm you have to:
a. buy one already bored
b. build your own butterfly
if your good with 60mm just bore out the taper under the butteryfly
so you dont have to bore the upper part of the tb?
if your good with 60mm then, yes the taper (55mm) starts BELOW the butterfly so as long as your careful you don't need to do ANYTHING to the butterfly.
go here for more info and ideas but I did it with a steady hand and going very slow with a drill press. if you use a drill press don't side load it much as it's not meat to be used as a mill:
http://www.go.jeep-xj.info/HowtoTBboring.htm
so maybe my intelligence is lacking but i can't find what part number belt to run with the new intake
I just called the stealership and the "bracket" was $105!! I dont know if that came with everything, as they told me it was on back order and I was busy putting my eyes back in and my jaw off the floor.
I usually do, but they were way more than I had anticipated. I did finally find one at a yard for $35. Things to note.
The "usual ZJ idler pulley" may not all be usual. The ones from my 95 have back spacing, while the one from the bracket has negative back spacing. Also, I am about to try it, but I think my 95 style pump will fit this bracket.
wow that pricing is WAY out of line!
I have run into the idler pulley issue before where at orielly auto I bought 2 pulleys and one was one way and the other was correct. Keep trying til you get the correct style with the spacer bushing.
The bracket came with the parts, bolts and pulley. That's where I could see they were different. Pumps are different. The 3 bolts that hold the pump to the bracket are different. On mine, 95-, there are 3 on the front, and 2 in back, all are threaded. I am guessing, by the bracket, that the 96+ is 3 through holes. front to rear. I moded my intake by drilling it out and bolting from the back, and I have one that will go through since there is none on the back side. I do need to shave some of the housing to get a bolt past, but it should all work.
my 95 pump bolted up.. mostly, there was 1 hole on the pump iirc that didn't line up. IMO 2 bolts in the front and 2 in the back is plenty for the powersteering pump..
i did notice that the idler pulleys have different backspacing however and now my serp belt keeps wanting to walk off the front of the ps pulley, ive adjusted how far the ps pulley is pressed onto the pump and it seems to be slowing the belt walk down significantly.
anybody got thoughts on the belt walk?
I used the 96+ pump and have 0 issues with belt walk. There might be a difference in pulley mounting position between the pumps.
ok that was faster that I thought I could break away
I couldn't find a good camera at work so I ran out real quick and got a cell pic for ya.
Wow mine is flush, I will be pulling it out real quick like!
yep my pulley was much further in that yours. mine is probably 1/8" out from the end of the shaft since i pulled it out a little and when i test drove it last night the belt didn't walk so it looks like problem solved.. thanks!
Went with the Dodge Neon injectors. They have 4-hole instead of Jeep's single hole. Great feedback on those doing it. Manifold is next. Question, fuel pressure regulator for the 49psi came off what year? If fit your 1993 4.0 w/out issue?
Thanks
Last edited by jeep7081; 08-12-2010 at 08:58 PM.
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