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Old 06-10-2012, 01:09 PM   #1
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how do i make my jeep faster

hey i got a 1999 tj sahara and im looking for some kinda cheap ways to make her faster and or more effective ways to do it when i do have money

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Old 06-10-2012, 01:15 PM   #2
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There is no cheap way... How fast do you want to go, it will do the speed limit!?!?

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Old 06-10-2012, 01:22 PM   #3
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Welcome to the forum.

Your profile pic looks like you have at least 33" tires on it. Large tires and stock gears can make a Jeep a dog on the road. Re-gearing to match the larger tires will get your power back to stock specs.

Unfortunately, if that is not good enough, there is a bunch of after market junk you can put on the Jeep like cold air intakes, throttle body spacers, free flowing air filters etc. etc. They will gain you next to nothing in performance, dispite the claims of the intardnet vendors.

You could swap a Hemi V8 in it, or buy a turbo kit for about the same cost.
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Old 06-10-2012, 01:23 PM   #4
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Proper gearing will help. Do you have a lift or oversized tires?
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Old 06-10-2012, 01:27 PM   #5
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i have a lift near by and it is 33's not sure how to re-gear exactly is there a link or some thing or should i take to a mechanic
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Old 06-10-2012, 01:33 PM   #6
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i have a lift near by and it is 33's not sure how to re-gear exactly is there a link or some thing or should i take to a mechanic
If you have no experience regearing then pay a skilled mechanic.
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Old 06-10-2012, 02:26 PM   #7
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Originally Posted by Atthehop

If you have no experience regearing then pay a skilled mechanic.
Re gearing is pretty hard, You can damage new gears pretty quick if it's not set up right. It will cost you 800-1200 depending on where you go. I would toto a trusted 4x4 center though
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Old 06-10-2012, 02:39 PM   #8
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Nos Stickers will help.. Maybe paint some flames on the body.. you'llbeflyin


Regearing is the way to go.. 1200 +/- 300 bucks is normal cost.
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Old 06-10-2012, 03:51 PM   #9
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I like the 5 lb coffee can tailpipe extension. Paint it safety yellow, add some brand name stickers and wha la, 50 more horsepower !! . Seriously though, regearing is quite expensive, so are engine swaps,, you're driving a tractor, not a speed machine.., the least expensive way for you to get more torque to the ground ? Sell your 33s and get back to stock sized rubber..
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Old 06-10-2012, 06:43 PM   #10
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My gearing cost $1400 but idt that's what ur looking for.. If u looking for speed, your looking for another engine haha
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Old 06-10-2012, 06:48 PM   #11
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You could trade it for a used 2002 Subaru WRX... I happen to have one of those laying around....
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Old 06-10-2012, 06:53 PM   #12
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Do you follow Honda logic ??
Go big exhaust
Take out spare tire
Radio
Ac .
Other seats
Consul
And If your really desperate
Take out your carpet I've seen done of the ricer guys swear it'll make you go faster .
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Old 06-10-2012, 07:09 PM   #13
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Quote:
Originally Posted by youcanemailzach View Post
i have a lift near by and it is 33's not sure how to re-gear exactly is there a link or some thing or should i take to a mechanic
I'm going to resist the temptation to make exhaust and sticker jokes.

By lift, I think he means on your jeep. Not a garage lift.

I hate to disappoint you, but if you got a Jeep to go fast, it's not going to happen for cheap. In fact, most things in this hobby quickly add up. From the picture in your profile, your tires are larger than stock. As others have pointed out, unless you re-gear your differentials, you are going to lose some "oomph". Unless you know someone with experience re-gearing, that will run you about $1200 for parts and labor to do both axles.

I'd suggest accepting that the Jeep isn't going to win any drag races, that you'll probably be driving in the right lane on the freeway, and just taking it easy on the streets. Now, if you want to get off the streets and into the dirt, that's when Jeeping really starts to get fun! Next time someone gives you crap about going slow in a Jeep, ask them to race you - they get the pick the time, you get to pick the course.
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Old 06-10-2012, 07:23 PM   #14
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The above recommendations to regear your axles are the only fix for the lack of power that was caused by installing the 33" tires. No, despite the hype and advertisements, a CAI (cold air intake) will not help, a K&N air filter will not help, a throttle body spacer will not help, and no other cheap mod will help... none of those will help in the least. Really.

Regearing is expensive because it's big job that is complex enough to need a mechanic that is highly experienced in regearing axles. I do pretty much all my own work on my Jeep and have a garage full of tools, welder, compressor, etc. but I'll leave regearing my axles to the pros. $1100 to $1300 is about right for all parts and labor to regear both axles. Start saving now and don't waste any $$$ on any of those air intakes, throttle body spacers, etc.
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Old 06-10-2012, 07:41 PM   #15
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Quote:
Originally Posted by Drakea94
Do you follow Honda logic ??
Go big exhaust
Take out spare tire
Radio
Ac .
Other seats
Consul
And If your really desperate
Take out your carpet I've seen done of the ricer guys swear it'll make you go faster .
With the exception of the big exhaust, everything you listed will affect power to weight ratio, which is actually important.. Wonder why they can build 4 cylinders that will smoke v8s? Power to weight
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Old 06-10-2012, 07:43 PM   #16
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Quote:
Originally Posted by darkproximity

With the exception of the big exhaust, everything you listed will affect power to weight ratio, which is actually important.. Wonder why they can build 4 cylinders that will smoke v8s? Power to weight
That and the turbo
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Old 06-10-2012, 07:45 PM   #17
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DUDE! Everyone knows Chrome makes you go faster

I agree with the rest, gears and then start saving up for a Hemi
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Old 06-10-2012, 08:02 PM   #18
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Originally Posted by InvertChaos

That and the turbo
All motor h22
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Old 06-10-2012, 08:15 PM   #19
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Quote:
Originally Posted by darkproximity

With the exception of the big exhaust, everything you listed will affect power to weight ratio, which is actually important.. Wonder why they can build 4 cylinders that will smoke v8s? Power to weight
I was leading up to the crack about carpet...
I understand power to weight ratio but can taking the 10-15 ilbs of carpet make a big enough difference?
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Old 06-10-2012, 08:21 PM   #20
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Originally Posted by Drakea94 View Post
I was leading up to the crack about carpet...
I understand power to weight ratio but can taking the 10-15 ilbs of carpet make a big enough difference?
When you talking in terms of light vehicles and competing, where that might amount to 1/10th of a second, but not in our heavy a$$ Jeeps.
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Old 06-10-2012, 08:21 PM   #21
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Yeah, any weight you shed will help, especially when they do auto cross racing, when you get slotted into classes based on engine modifications.. Its similar to Nascar in as much as you can only do so much to the engine and still be allowed to race in your class.. That's why a lot of them go through the trouble of removing as much weight as possible, as insignificant as it may be.

I've even heard of people cutting bolt heads so they only have two surfaces on them to wrench on.. They've cut 5lbs or so doing that.. But IMO unless you're really into it that's a bit extreme lol, teach a 12 year old who weighs 50lbs to drive would be easier haha
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Old 06-10-2012, 08:22 PM   #22
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I'm not suggesting doing any of this on a Jeep though, just illustrating how people will go through lengths to make things lighter for better power to weight.
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Old 06-10-2012, 08:26 PM   #23
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just make sure you only drive downhill.
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Old 06-10-2012, 09:01 PM   #24
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get the rotabuggy upgrade kit here Flying Jeep | Aircraft |
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Old 06-10-2012, 09:11 PM   #25
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Quote:
Originally Posted by jasongind

When you talking in terms of light vehicles and competing, where that might amount to 1/10th of a second, but not in our heavy a$$ Jeeps.
Quote:
Originally Posted by darkproximity
Yeah, any weight you shed will help, especially when they do auto cross racing, when you get slotted into classes based on engine modifications.. Its similar to Nascar in as much as you can only do so much to the engine and still be allowed to race in your class.. That's why a lot of them go through the trouble of removing as much weight as possible, as insignificant as it may be.

I've even heard of people cutting bolt heads so they only have two surfaces on them to wrench on.. They've cut 5lbs or so doing that.. But IMO unless you're really into it that's a bit extreme lol, teach a 12 year old who weighs 50lbs to drive would be easier haha
Ahh okay but for a high schooler pos Honda with all this weight shredded still has a crappy 0-60 time but I can understand it how you put it
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Old 06-10-2012, 09:17 PM   #26
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Lol tell the kid to learn how to build a decent motor, Hondas are stupid easy to work on and build motors for. The motors are designed to be very strong too
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Old 06-10-2012, 09:26 PM   #27
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Quote:
Originally Posted by youcanemailzach
hey i got a 1999 tj sahara and im looking for some kinda cheap ways to make her faster and or more effective ways to do it when i do have money
Bore it and supercharge it look at YouTube supercharge jeep
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Old 06-10-2012, 09:26 PM   #28
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stick a vtec emblem on it. thats what my next door jack*** did on his honda.gained 3/10ths
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Old 06-10-2012, 09:49 PM   #29
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Sale it or trade it jeeps are made for off road not for racing
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Old 06-10-2012, 10:10 PM   #30
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