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Old 03-01-2013, 11:21 AM   #1
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Cold air intake, good or bad idea?

Hi,

Is a cold air intake a good or bad idea and why? Should I spend the money on something else, like a winch? Will it increase the likelihood of sucking up water if by chance I do hit water, I'm in the high desert but there are streams. Is there any hp or mpg gains?

Thank you for any input.

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Old 03-01-2013, 11:26 AM   #2
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It is my understanding on our jeeps, both the 4.0 and 4 cyls, there is not much to gain with a CAI or simple bolt on mods. I would save my money and spend it on something more important, like a winch, gas, or future maintenance.

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Old 03-01-2013, 11:27 AM   #3
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Can't speak from experience but from everything I have read on here ( at least the majority) see no hp or mpg gains to amount to much.
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Old 03-01-2013, 11:29 AM   #4
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Bad...... not only does it not help they allow excess dirt to enter the engine causing internal damage.
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Old 03-01-2013, 11:29 AM   #5
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You'll never know any difference on a stock engine. Same goes for throttle spacers. Waste of funds on stock engines. Like has already been said ... winch, tires, maintenance ... all will be a much better return on your hard-earned money. These motors are NOT high performance engines that can be massaged from the OUTSIDE. Any appreciable gains will have to be a result of internal modifications.
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Old 03-01-2013, 11:30 AM   #6
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Old 03-01-2013, 11:40 AM   #7
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Quote:
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You'll never know any difference on a stock engine. Same goes for throttle spacers. Waste of funds on stock engines. Like has already been said ... winch, tires, maintenance ... all will be a much better return on your hard-earned money. These motors are NOT high performance engines that can be massaged from the OUTSIDE. Any appreciable gains will have to be a result of internal modifications.
Chips also, unless you buy fritz lay chips and cheap beer.
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Old 03-01-2013, 11:42 AM   #8
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Especially for the Central Oregon high desert dust, I would stick to stock intake with paper filters. Oh and yes I agree that you can occasionally find water over there. lol

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Old 03-01-2013, 02:45 PM   #9
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Thank you for all the replies. I think I'm going to sound the money on a nice winch instead.
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Old 03-01-2013, 04:04 PM   #10
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I know they aint running the test on Jeeps but I think this is a pretty good deterrent for anyone wanting CAI.
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Old 03-01-2013, 04:16 PM   #11
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Several threads on this but they all pretty much say CAIs are a waste of money. Spend it on something else!!
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Old 03-01-2013, 07:48 PM   #12
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Good video, spyguy!
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Old 03-01-2013, 08:16 PM   #13
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Well I wouldn't recommend a aftermarket intake unless its a snorkel. Buddy of mine hydro locked his motor just going through a small water hole. Had to strip it down to the block hone and clean everything just because of an intake
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Old 03-01-2013, 08:32 PM   #14
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X2. if you are going to buy an intake, you might as well just get a snorkel. No HP or MPG gains either, but at least you can go through a little higher water with it.

You can see gains out of a CAI, but not by itself. If you go as far as heads, exaust, cam shaft, various internal engine work. It will start adding up. But by the time you do all of that you could probably just do a Hemi swap, or any number of V8 swaps you can find on this forum, for the same money.
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Old 03-02-2013, 12:17 AM   #15
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Quote:
Originally Posted by spyguy81 View Post
I know they aint running the test on Jeeps but I think this is a pretty good deterrent for anyone wanting CAI.
Very very interesting and informative. Thank you!

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