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Old 11-21-2011, 02:24 PM   #1
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Increase Wrangler HP

My dad owns a 95 Wrangler and a friend of his told him that there was a filter that could be removed from the hose that runs from the air intake into the top of the manifold cover. Said it was a cone-shaped filter. I own a 2001 TJ and was wondering if this same mod could be done to my Jeep as well. Both of our jeeps have the 4.0L. Thanks.

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Old 11-21-2011, 02:31 PM   #2
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Nope, that's just another one of those old wive's tale type rumors. But a big welcome to WF Bumbleyeep!

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Old 11-21-2011, 02:33 PM   #3
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Thanks! Still figuring it all out!
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Old 11-21-2011, 02:58 PM   #4
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Regear .
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Old 11-22-2011, 12:11 PM   #5
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Regearing will be a waayyyysss down the road. Pretty low on the priority list for now.
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Old 11-22-2011, 12:52 PM   #6
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stickers proclaiming jeep superiority add HP. also removing any chrome will reduce drag.
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Old 11-22-2011, 12:59 PM   #7
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Quote:
Originally Posted by Bumbleyeep
Regearing will be a waayyyysss down the road. Pretty low on the priority list for now.
Just so you know, regearing WILL pay for itself in gas savings by bringing your fuel economy close to factory.
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Old 11-22-2011, 04:10 PM   #8
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remove any armor and things likes seats, windshield frame, doors, roll bar, spare tire, tools and parts.

it'll be like adding 100 hp
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Old 11-22-2011, 04:13 PM   #9
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Quote:
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stickers proclaiming jeep superiority add HP. also removing any chrome will reduce drag.
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Old 11-23-2011, 09:36 PM   #10
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Didn't know i signed up for the comedy forum. Could have sworn this was a jeep forum you could go on for tips and advice.....hmm

@MikeMTJ I'll eventually regear. Once i get a commuter I will hardly drive it one the street. Getting a lift, tires, and winch will come first. I'll only be running 33's so i don't see it being a HUGE problem.
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Old 11-24-2011, 09:45 AM   #11
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We're all a bunch of jokers here, and so too are most of the "Snake Oil" products you see advertizing so called h/p gains. Like the cold air intake/filter, performance chips, and the wizz bang thing you plug into your cigarette lighter.

Only way to increase h/p is either a swap to a stroker motor, or a swap to a larger one.

But like said regearing will help when you go to the bigger tires. Still won't do a thing for h/p, but will help with torque range/fuel mileage.
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Old 11-24-2011, 10:40 AM   #12
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we drive jeeps! we like having fun
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Old 11-24-2011, 11:15 AM   #13
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Quote:
Originally Posted by Bumbleyeep View Post
My dad owns a 95 Wrangler and a friend of his told him that there was a filter that could be removed from the hose that runs from the air intake into the top of the manifold cover. Said it was a cone-shaped filter. I own a 2001 TJ and was wondering if this same mod could be done to my Jeep as well. Both of our jeeps have the 4.0L. Thanks.
there is a cone shaped piece of plastic on the intake tube but it's not a filter,I really don't know what it's for,i removed mine from my 91 yj and never noticed any kind of change..its about 5 inches long and if i remember right has an o rong at each end,,,
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Old 11-24-2011, 11:21 AM   #14
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That cone was there to increase the velocity of air passing into the engine which does two things... it helps quiet the air intake system and slightly helps with combustion in some way that was once explained to me but I can't recall enough of to describe. The trumpet used on the TJ's air intake box does the same exact thing but in a slightly more elegant manner.
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Old 11-24-2011, 12:45 PM   #15
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That cone was there to increase the velocity of air passing into the engine which does two things... it helps quiet the air intake system and slightly helps with combustion in some way that was once explained to me but I can't recall enough of to describe. The trumpet used on the TJ's air intake box does the same exact thing but in a slightly more elegant manner.
thank you,now I know
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Old 11-24-2011, 01:00 PM   #16
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One thing to note is that there are little tricks that work on some cars, but not on others for a multitude or reasons. Yet, some things always make sense no matter what.

Always good to ask a community that knows.

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