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Old 06-03-2018, 10:19 AM
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Finally a Wrangler Owner and Not Just a Lurker

So, yesterday I bought an 89 Wrangler sport I6 . I've had an 04 Grand Cherokee(TheMomJeep) for 2 years and it was finally time to upgrade! I did my time at the DMV, and as I finally get home, and park in my spot, there is a nice little pop and a cute little *poof* of smoke comes out of the right rear. Turns out my brake lines broke! I'm told that that is Jeep life, so I'm taking it as a badge of honor! Pictures to come soon, but I was wondering what were some common things that I need to be mindful of and/or good mods for efficiency (if any).

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Old 06-03-2018, 12:04 PM   #2
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Keep your stock air box.

That is all.
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Old 06-03-2018, 01:44 PM   #3
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Welcome to the asylum!
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Old 06-03-2018, 02:26 PM   #4
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Welcome and congrats on your new Jeep. The only thing I can think of is to check that the cad system for the 4 wheel drive is working, some are prone to vacuum leaks if it still has the original lines so you may think you are in 4 wheel but want be. Other than that do all the fluids and let the fun begin.
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Old 06-04-2018, 10:16 AM
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Originally Posted by UPStrades View Post
Keep your stock air box.

That is all.
Stock Air box? So no kind of CAI, turbo's(crazy I know) or snorkels or anything?
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Old 06-04-2018, 12:26 PM   #6
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NO Never Snorkle. The PO of my TJ put a snorkel on it right after he bought it new. You have to cut a hole in the passenger front fender, then modify the stock air filter box. Unless you are fording a lot of water they are useless, you can't go through a car wash, you can't put a Jeep cover on it.

If you go through water deep enough to need a snorkel, you probably are going to play havoc with electronics and your diff vents will also be underwater.

I want mine gone and am taking the opportunity to get rid of mine when the TJ is getting sections repainted later this month. The replacement Mopar fender at full price lists for $1180 dollars. Fortunately the shop painting the TJ found a Mopar fender at a discount from one of their suppliers.

Yes, aftermarket fender would be cheaper, but many of those need a lot of work fitting them and and have thinner metal.

"Cold" Air Intakes are generally not "clean". The air they intake is not going to be much colder as their intake is no higher or further forward than most stock intakes on Wranglers. I don't recall the exact location of my '91 YJ (bought new) but probably up front and high on the passenger side. (Which is where the CAI intake would be).
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Old 06-08-2018, 11:39 PM   #7
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Congrats from one 89 owner to another.
It’s an expensive world.
But you’ll love every minute of it...


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Old 06-11-2018, 12:35 PM   #8
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As a total newb to Jeeps I can give you this advice. If you haven't already you need to crawl all over it and identify areas that need attention. I.E. gas tank skid plate rust, floor boards that are soft, seat belts that don't work, "creative" wiring, etc.. Then list those out in priority. I like to go with things that cause a safety hazard first. In my case seat belts that don't work, missing suspension parts, things like that. Then each pay day budget to fix one of the issues. Some of them will be more expensive (new sheet metal for floors) than others (seat belt cleaning and repair). Do what you can when you can.

Oh and one of the first things you should do is change all the fluids in the engine, tranny, t-case, front and rear ends.

And have fun with it.
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Old 06-12-2018, 09:58 AM
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Thanks for all the support and great ideas! Minor question what are everyone's thoughts on the interior carpet? Should I rip it out and just have the metal or maybe rubber floor mats?
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Old 06-12-2018, 11:47 AM   #10
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Quote:
Originally Posted by Skid-Lid View Post
Stock Air box? So no kind of CAI, turbo's(crazy I know) or snorkels or anything?
There should be a flexible tube from the air cleaner to an opening in the grill panel.
If that's in place, what good would a CAI do?

NO snorkel unless you want to look like a wannabe or poser.

I don't know what benefits a turbo would practically produce on our old tractor motors.

Good Luck, L.M.
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Old 06-12-2018, 12:04 PM   #11
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Lots of Jeepers pull the carpet and run bare metal floors. Some guys bedliner their floors.
With no carpet it's less likely for water to accumulate and cause rust.
I have carpet because I think it's a more finished setup. I have a hard top and live in a semi-arid climate. If I ran a soft top that I removed often and lived where it rained a lot, I'd surely run without carpet.

Good Luck, L.M.
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"Wrangler....It's not just a vehicle, It's a lifestyle".
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1987 YJ-4.2L-Standard Shift- Re-manufactured Carter Carb-2" body Lift-31X10.5X15 BFG KOs-190K Miles No back seat.
HEI distributor with computer and all related relays and wiring removed.
12K Badlands winch with dual batteries.
Warn front bumper. Matching imitation Warn bumper on the rear.
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Old 06-17-2018, 03:06 PM
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Okay, so the PO put in a weber carb. Never messed with a carb in my life so I've been tuning it slowly as I drive around town. So, looking back at previous replies it seems I should keep the "stock airbox" is this still an option? I am having trouble with highway speeds, any recommendations?
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Old 06-17-2018, 04:17 PM   #13
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I am having trouble with highway speeds, any recommendations?
What size tires are you running and what are your axle gear ratios?

When you state "trouble at highway speeds" just what troubles are you experiencing?

Good Luck, L.M.
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"Wrangler....It's not just a vehicle, It's a lifestyle".
.................................................. ........................
1987 YJ-4.2L-Standard Shift- Re-manufactured Carter Carb-2" body Lift-31X10.5X15 BFG KOs-190K Miles No back seat.
HEI distributor with computer and all related relays and wiring removed.
12K Badlands winch with dual batteries.
Warn front bumper. Matching imitation Warn bumper on the rear.
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Old 06-18-2018, 08:11 AM
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It has 33's on and I'm not sure about the Gear Ratios :/ Sorry, bit of a n00b to this.
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Old 06-18-2018, 02:21 PM   #15
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If you're experiencing lack of power at highway speeds, switch to 31" tires and 4:10 gears.
Without more info, that's the best I can do.

Good Luck, L.M.
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"Wrangler....It's not just a vehicle, It's a lifestyle".
.................................................. ........................
1987 YJ-4.2L-Standard Shift- Re-manufactured Carter Carb-2" body Lift-31X10.5X15 BFG KOs-190K Miles No back seat.
HEI distributor with computer and all related relays and wiring removed.
12K Badlands winch with dual batteries.
Warn front bumper. Matching imitation Warn bumper on the rear.
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Old 06-19-2018, 08:45 AM   #16
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One thing you can do is run a build sheet for your YJ. It will tell you exactly how she left Toledo. Of course the previous owners could have modified it in some way. Here is a link to run the build sheet. It works going back into older vehicles. The oldest I have run was an '89 Dakota and '89 Cherokee. You will get some "DESCRIPTION NOT AVAILABLE" on the listing for codes no longer in the system, and some strange looking items for codes that have been reused (my YJ did not have dark chrome accents as the BS states and my '89 XJ did not have P265/60R18 tires either), but the major ones will be correct. My '91 YJ came with 3.07 gears with the AX-15 5 speed.

My '91 also came with 215/75R15 tires which I got rid of at first opportunity. IIRC I went with 245/75R15 tires which are almost 30" tall. (But they are no longer available). The largest tires fitted from the factory on a YJ/TJ are the LT245/75R16s mounted on the 2003-6 Rubicons. They are 30.5" tall and 9.8" wide. The BFG KO2s in that size are $198 each. The 31x10.50R15s are 30.6" tall and 10.6" wide and the BFG KO2s in that size are $161 each.

Keep in mind that the disadvantage of driving a 30 year old vehicle is parts are a little hard to come by. But there are salvage yards out west that do a good business in replacement parts. The advantage is no computers to worry about. Everything is bone simple.

You have 33" tires so you must have some lift on the Jeep also. Find a section of road and drive for a bit and have a passenger tell you the actual GPS speed and note the RPM. Then post it back and one of us will back into the diff ratio.
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Old 06-19-2018, 08:51 AM   #17
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My advise, just drive it around for a year and enjoy it. You are going to encounter lots of weird sounds and noises you are not used to hearing and thats fine. Its how these old jeeps are. You will also learn that you will need to replace stuff.

Fix things as you go, dont just spend a bunch of money on it right now.
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Old 06-21-2018, 10:51 PM
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Update! Kept on fine tuning the carb, and I think I can maintain about 60-65 mph, which is just fine for my neck of the woods! Thank you all for your help!!
Now, I have so many more questions, but should I keep posting here, or make a new post? Do the moderators you have a preference?
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Old 06-21-2018, 11:14 PM   #19
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You more than likely still have stock hearing. You will want to go with a higher gear setup to match your tire size. This way you can get to highway speeds quicker and maintain them easier.
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Old 06-25-2018, 07:08 PM   #20
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Quote:
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My advise, just drive it around for a year and enjoy it. You are going to encounter lots of weird sounds and noises you are not used to hearing and thats fine. Its how these old jeeps are. You will also learn that you will need to replace stuff.

Fix things as you go, dont just spend a bunch of money on it right now.
That right there is probably the best advice ever.


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