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Old 01-26-2014, 12:06 PM
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3.8 throttle body spacer

Hey all

Anyone running a throttle body spacer on the 3.8? Worth it? Forget it? I am going to be putting in a Cold Air Intake and was thinking of throwing a throttle body spacer on with it... So?

If there is already a thread about this I apologize...I looked and didn't see one but if there is could you just point me in the right direction?

Thanks

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Old 01-26-2014, 12:12 PM   #2
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Why type of throttle body spacer and intake you looking at getting?


I once had the AFE spacer and intake and actually liked it, was able to notice a bump in performance and gas.
The spacer will make a slight whistling noise at about 2000-3000 RPMs if I remember correctly but wasn't bad just gave a bit of sound in the cabin. I have a 2014 now and if they have the same set up I would get it again.

Was also looking at the bullydog turner, had that in my Titan once and had great results with that as a part of the combo.

Pat

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Old 01-26-2014, 12:49 PM
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I am looking at Volant right now. Like the look of their product plus they have a snorkel for later on that is compatible. I haven't really settled on a brand yet but banks was also recommended to me. if possible I will keep the brands the same.

So I will also take suggestions on intakes too, but I am certain I could find a thread on CAI lol
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12,000lbs Engo Winch (failed) New Superwinch 8500
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Old 01-26-2014, 12:56 PM   #4
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A TBS does absolutely nothing. Neither does the intake for that matter other than some noise. Nothing about a CAI makes the air cold.
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Old 01-26-2014, 01:00 PM   #5
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TBS is #1 on the list of wasted money mods for the 3.8. CAI is #2. A snorkel on the other hand has a purpose and will actually take in cold air.

Tbs were designed for throttle body injection or carbureted engines were the extra spacers helps to atomize the fuel.
CAI are cool but impractical on an off-road vehicle who sees dusty and wet conditions specially deep mud and water crossings where a snorkel would be best used.
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Old 01-26-2014, 01:13 PM   #6
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Quote:
Originally Posted by jtphoto jk View Post
tbs is #1 on the list of wasted money mods for the 3.8. Cai is #2. A snorkel on the other hand has a purpose and will actually take in cold air. Tbs were designed for throttle body injection or carbureted engines were the extra spacers helps to atomize the fuel. Cai are cool but impractical on an off-road vehicle who sees dusty and wet conditions specially deep mud and water crossings where a snorkel would be best used.
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Old 01-26-2014, 01:13 PM   #7
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Agree with all the post but in combination you might see something with other mods...

Anyone tried a programer or a Bullydog on there Jeep? Had one once a while back and had some good results with it of course had to run premium fuel.

Thanks
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Old 01-26-2014, 01:33 PM   #8
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A programmer makes them more enjoyable to drive and allows you to "properly" run high octane fuel and get the benefits. However, they do not allow adjustment for add on engine mods unless you purchase a tuner that takes custom tunes so a custom tune can be written specifically for your application.
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Old 01-26-2014, 04:20 PM   #9
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I just put the AFE cold air intake and throttle body spacer on my 2013 jk along with the diablo sport tuner t1000 and magnaflo axle-back duel exhaust. i noticed big gains in power and fuel milage. iv put on about 3000km since the install and wont look back
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Old 01-26-2014, 05:49 PM   #10
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Against my better judgement, I installed a TBS on my 3.8 trying to squeeze out a little more power to push 37" tires in 5th gear. It may have had a minor impact elsewhere but it did not help at cruising speed. The noise was annoying so I removed it.
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Old 01-27-2014, 12:56 AM
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Well seems like I will be skipping the TBS lol. I think ppl are getting caught up in the title "cold air intake". I don't think it's the cold air that is the advantage, but the larger openings meaning less restrictions in air flow. When companies design their engines they have to restrict air flow to reduce engine noise. it's a delicate balance. That's why CAI + headers + cat back exhaust means more noise but engine gains... so because the air is less restricted I don't think it's a far stretch to assume some engine gains could be had from a "cold air intake"
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Old 01-27-2014, 05:00 AM   #12
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I have an AFe TBS in now, but I think it is coming out soon. I hate the whistle! Very little improvement in power that I can really tell.

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