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Old 07-09-2012, 03:55 PM   #1
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my yj needs upgraded

my 91 yj 4cly needs upgrading. dont really have to much money due to me being a teen but i make enough to do a few upgrades. any suggestions? it already has 32in tires and a 2.5in suspention lift. i plan on putting some 31in tires on it come this winter. but until then what all could i do to make it look tougher or even get it a little more power?

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Old 07-09-2012, 04:04 PM   #2
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hi!

What are you using it for that is failing because of not enough power? Is there a particular course or hole or something you can't get through? If not, I would suggest saving your money until you know first hand what you need. For example, your on the trails and your stuck... no one has a good strap to pull you out. Now you know, "i need a good snatch strap"

On the other hand, if you just want to throw money at it, look into some good lights, cargo storage, extra tools, fire extinguisher, d-rings, cb radio or good handhelds, new battery, good trail jack or heck even a power washer can be a jeeps best friend!

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Old 07-09-2012, 04:16 PM   #3
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the options are endless with where you could start. as stated before give an idea of where you wanna go with it and maybe we can help you as far as mods go.
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if it aint broke dont fix it...but i own a jeep so that arguement is invalid
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Old 07-09-2012, 04:20 PM   #4
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most of the power lose is just from the big tires is what a shop told me. they said to just tune it up and throw a throttle body spacer on it to get more power out of it. i ffound a cheap throttle body spacer by mcCoskey performance but i have never heard of them and wonder if they are a good product.

but yes i am just looking to dump some money in it to mainly just make it look tough.
thanks for your advice and suggestions
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Old 07-09-2012, 04:31 PM   #5
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yeah i hear you on the power issue, i actually tore my tranny up a long time ago and had the trans rebuilt to accomidate the big tires i had. that was about 700 dollars though but now i know i have the power technically to go play in the mud. i run 55mph at about 2,300 rpms. 55 is really the limit i can go without tearing things up internally or externally.
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Old 07-09-2012, 04:35 PM   #6
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I have a 92 YJ 2.5L manual and what I got it was a throttle body spacer. Cold air intake and a flow master exhaust... A minimal increase in power but sounds like a beast lol oh and I have a 3.5" suspension lift on 31" tires.
Due to it being on stock axles, well, it has a tough time going fast uphill lol but it's all good....
Last time I went to Mexico I had three passengers and myself and semi trucks kept passing me lmao but I would pass them downhill
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Old 07-09-2012, 04:56 PM   #7
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thats how my yj is. with the stock axles it has a tough time on the highway and going up hill. my friend is a machanic, which comes in handy from time to time, but he said that running anything larger then 30in tires on the stock axles will tear them up. any one have ideas on how to improve axles?
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Old 07-09-2012, 04:58 PM   #8
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Quote:
Originally Posted by gagedunlap16
thats how my yj is. with the stock axles it has a tough time on the highway and going up hill. my friend is a machanic, which comes in handy from time to time, but he said that running anything larger then 30in tires on the stock axles will tear them up. any one have ideas on how to improve axles?
U can either regear them stock axles so that they can handle more or replace them with other ones. I'm sure ur mechanic friend knows this tho... Since he's a mechanic.
I'm not planning n getting bigger tires so regearing is not in the near future for my jeep.
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Old 07-09-2012, 06:07 PM   #9
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Some things to look at for a little more power it's an electric fan swap for mechanical, less drag on the motor. A 4.0 throttle body swap, and mustang injectors. Everything can be found at a pick and pull! Some of the pick and pulls around me have their 50% off deals, that's what I wait for.

I have my 90, 4 cylinder tbi, not multi-port and so I can't do the throttle body swap or injectors. I'm also running 32's with a 2.5" lift. But I'm going soa soon with 35's so I'm going to regear at some point.
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Old 07-09-2012, 07:55 PM   #10
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Quote:
Originally Posted by MickeYJ View Post
I have a 92 YJ 2.5L manual and what I got it was a throttle body spacer. Cold air intake and a flow master exhaust... A minimal increase in power but sounds like a beast lol oh and I have a 3.5" suspension lift on 31" tires.
Which throttle body spacer did you get? How much? Also which intake did you get I was thinking about doing that too.
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Old 07-09-2012, 08:06 PM   #11
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Quote:
Originally Posted by BadMojo11

Which throttle body spacer did you get? How much? Also which intake did you get I was thinking about doing that too.
Got the AirAid cold air intake and
PowerAid throttle body spacer
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Old 07-09-2012, 08:10 PM   #12
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Got the AirAid cold air intake and
PowerAid throttle body spacer
Nice. Thx. On my wishlist at morris
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Old 07-09-2012, 08:12 PM   #13
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Quote:
Originally Posted by BadMojo11

Nice. Thx. On my wishlist at morris
Kool, I got them from 4wheelparts
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Old 07-09-2012, 08:17 PM   #14
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Quote:
Originally Posted by gagedunlap16
thats how my yj is. with the stock axles it has a tough time on the highway and going up hill. my friend is a machanic, which comes in handy from time to time, but he said that running anything larger then 30in tires on the stock axles will tear them up. any one have ideas on how to improve axles?
Ur mechanic friend told u that no bigger than 30's? I beg to differ..
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Old 07-09-2012, 08:21 PM   #15
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Quote:
Originally Posted by CharTay

Ur mechanic friend told u that no bigger than 30's? I beg to differ..
Me too... I run 31's n when I got my lift my shop guy told me I could run up to 33s.
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Old 07-09-2012, 08:26 PM   #16
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I run 33/12.50's... and i dont drive like a grandma I get after it... like burning tires on a rock hill... just saying... what ive put those things through.. I'd almost go to a 35 and take it a little easier. But I would
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Old 07-09-2012, 08:27 PM   #17
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i run 32s on mine so i didnt really believe him the only thing my tires messed up on my jeep was my front hub assembly.
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Old 07-09-2012, 08:29 PM   #18
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Originally Posted by MickeYJ View Post
Got the AirAid cold air intake and
PowerAid throttle body spacer
how did the throttle body spacer do on your jeep? increase power any?
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Old 07-09-2012, 08:29 PM   #19
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Quote:
Originally Posted by gagedunlap16
i run 32s on mine so i didnt really believe him the only thing my tires messed up on my jeep was my front hub assembly.
I had a bearing fail before thats it
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Old 07-09-2012, 08:32 PM   #20
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I had a bearing fail before thats it
my front axle is leaking but i dont believe its from tires.
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Old 07-09-2012, 08:35 PM   #21
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Quote:
Originally Posted by gagedunlap16

my front axle is leaking but i dont believe its from tires.
Thats how mine started... from where is it leaking?
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Old 07-09-2012, 08:37 PM   #22
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Quote:
Originally Posted by gagedunlap16

how did the throttle body spacer do on your jeep? increase power any?
No not really just more responsive
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Old 07-09-2012, 08:38 PM   #23
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Thats how mine started... from where is it leaking?
passenger side seal is leaking but driver side bearing is squeeking
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Old 07-09-2012, 08:39 PM   #24
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No not really just more responsive
oh what about the cold air intake? it do anything different
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Old 07-09-2012, 08:39 PM   #25
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Quote:
Originally Posted by gagedunlap16

oh what about the cold air intake? it do anything different
I didn't notice any
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Old 07-09-2012, 08:40 PM   #26
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I didn't notice any
dang. thanks
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Old 07-09-2012, 08:41 PM   #27
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Quote:
Originally Posted by gagedunlap16

passenger side seal is leaking but driver side bearing is squeeking
If I were u I'd fix it now before it get real expensive real fast haha if mechaniclly inclined do it yourself fairly cheap 100 probably ish if not probably 500 ish just a guess
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Old 07-09-2012, 08:50 PM   #28
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If I were u I'd fix it now before it get real expensive real fast haha if mechaniclly inclined do it yourself fairly cheap 100 probably ish if not probably 500 ish just a guess
i am looking into buying a rebuild kit with all the seals and bearings but i just gotta find the right price and gotta have dad home since im only 16

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