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Unread 11-25-2001, 10:56 PM   #1
mde
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Join Date: Nov 2001
Location: Edmonton AB
Posts: 97
K&N filter conversion

I own a 89' YJ, however, I am replacing the motor with a rebuilt 87' 258. With other performance mods such as a 4.0L head swap, HEI and MSD ignition control. I would like to build a conical K&N filter design for my YJ. But without luck, I cannot figure out the complex vacum system assiciated with these engines.
Does anyone have any tips or suggestions which I can use to build a tube style K&N filter design for my Jeep? Any help would be greatly appreciated.
Cheers

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89' YJ
AMC 258, all mods
7" SOA BF 35" mud terrain
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Unread 11-26-2001, 12:12 AM   #2
reckless
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Join Date: Nov 2001
Location: STillwater, OK
Posts: 5
i made one for mine out of pvc pipe and some copper fittings. I have pictures but they're on my roomates computer and can't get to them now, maybe later.
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Unread 11-26-2001, 07:23 AM   #3
glm 87 wrangler
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Join Date: Sep 2001
Location: Fayetteville NC
Posts: 271
are u running FI or carb?If you have a carb i may be able to help a little on the vac lines
let me know.Later,Gary
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Gary 87 Wrangler 4.2 258 with weber carb and TFI upgrade.
31/10.5 and Nutter bypass!
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Unread 11-26-2001, 11:03 AM   #4
mde
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Join Date: Nov 2001
Location: Edmonton AB
Posts: 97
It's carburated by the Carter 2 barell. The ECM module is bypassed on my Jeep.
Are most of the hosses running in and out of the air filter assembly essential elements for running this engine?
Some of them are easy enough to relocate, however, there are others such as temperature sensors which I do not think I need.
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89' YJ
AMC 258, all mods
7" SOA BF 35" mud terrain
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Unread 12-06-2001, 09:27 PM   #5
YJRomeo
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Join Date: Aug 2001
Location: Glendora, CA
Posts: 36
i have a write up on www.jeepyj.com, under project how-to's if you have any questions email me @ romeofoever@hotmail.com
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92 YJ 4.0L w/ 2.5" rancho springs, 1.5" shackles, 3" body, pacesetter headers, flowmaster exhaust, Homemade K&N cold air intake system, 4.11's, lockrights,33x12.5 X-terrains on 15x8 black rockcrawlers. homemade discos... coming soon homemade gas shock hood lift. done everything myself. (not bad for 19 yrs old)
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