3.73 gears/CAI or a Tuner and CAI? - Mustang Evolution

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Old 10-24-2013, 09:11 AM   #1
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3.73 gears/CAI or a Tuner and CAI?

Which would be the best option for my 2012v6?
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Old 10-24-2013, 09:23 AM   #2
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All three.
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Old 10-24-2013, 09:37 AM   #3
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IMHO..... Start with the cai/tuner. Ull need the tuner when u add the gears anyway to update ur computer..... Gear ratio monitored by computer on late models. So with the tuner u just go in and change it with the tuner. If u don't have a tuner u can't fix speedo etc...... So I would definitely do cai/tuner first!
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Old 10-24-2013, 09:45 AM   #4
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I would say it depends on your plans for the car the cai doesn't do a whole lot for performance by itself but with the tuner you would notice a pretty good increase in power. The gears don't add any power technically but will make you feel like you unleashed a lot more torque especially if you have the 2.73's now. If you plan on doing a full exhaust I would suggest the cai now and gears later but if you just gonna run axlebacks go with the gears and tuner to me it would be more bang for your buck. Just my two cents.
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Old 10-24-2013, 10:11 AM   #5
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so when i buy gears i have to buy a tuner? how does that work exactly
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Old 10-24-2013, 10:39 AM   #6
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Originally Posted by Njd92 View Post
so when i buy gears i have to buy a tuner? how does that work exactly
If you do not recalibrate the speedo it will read incorrectly and it may even throw the odometer off too but not 100 percent sure about that.

---------- Post added at 11:39 AM ---------- Previous post was at 11:38 AM ----------

There may be another way to correct it without a tune maybe a dealer flash? Maybe some will chime in that knows more about it
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Old 10-24-2013, 10:40 AM   #7
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so when i buy gears i have to buy a tuner? how does that work exactly
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Old 10-24-2013, 11:10 AM   #8
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If u don't ur speedometer and odometer will b way off. That's why I'd say get the cai/tuner combo 1st then can get gear whenever and already have tuner to correct computer
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Old 10-24-2013, 11:10 AM   #9
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If you do not recalibrate the speedo it will read incorrectly and it may even throw the odometer off too but not 100 percent sure about that. ---------- Post added at 11:39 AM ---------- Previous post was at 11:38 AM ---------- There may be another way to correct it without a tune maybe a dealer flash? Maybe some will chime in that knows more about it
He's right if u don't retune with gears ur speedo will be off & ur odometer (I think it'll log more miles than ur actually running)! From what I've heard the dealer won't flash anything over 3.31's for the 3.7 but I'm not 100% u can check with ur dealer 1st!
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Old 10-24-2013, 12:35 PM   #10
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He's right if u don't retune with gears ur speedo will be off & ur odometer (I think it'll log more miles than ur actually running)! From what I've heard the dealer won't flash anything over 3.31's for the 3.7 but I'm not 100% u can check with ur dealer 1st!
Your dealer is 'only' going to flash it if you get your gears installed from them. They won't honor any third party installations due to liability issues on their part.

PS: yes cai/tuner or tuner/gear combo would pretty much cost you the same. BUT just remember you'd have to pay around 500 bucks give or take to get your gears installed.

So if you're on a budget, go with CAI and a tuner. You would be able to feel power gains anyway, and you can hear your car grumble even deeper/louder when you press the paddle. Spend those 800 dollars on gears later when you have saved up this extra cash. And as many of us have suggested, you'd alreadt have a tuner to calibrate your speedo. Just ring up the company you purchased it from and ask them to send a new tune for 3.73 gears. As of this moment only bama and steeda have got tunes for life program.

The ball is in your court now
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Old 10-24-2013, 01:19 PM   #11
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OP,

You're going to need a tuner to calibrate the speedo for any gear swap higher than a 3.31. Otherwise your speedometer will be off and record inaccurate miles.

IMO, your best bet is to go with a CAI/Tuner combo. You'll feel a significant differences in power and throttle response with this combo. Then down the road when you install a new gear set, you can have the tune's adjusted for the new gears- correcting the speedo.

Plus, if you pick up a tuner from AM/Bama, you'll be enrolled into the Free Tunes for Life program. This also allows you to receive free tune updates for any future bolt-on mods.

Please feel free to send me a PM if you have any other questions. I'd be happy to point you in the right direction!

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Old 10-24-2013, 04:20 PM   #12
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Originally Posted by Njd92 View Post
Which would be the best option for my 2012v6?
OP, my recommendation would be for your very first power mod buy a performance tuner. If you have the extra cash to spend buy the tuner/ CAI combo. Its debatable on here by all the great minds how much power if any does the CAI get. Many on here will claim the CAI hardly nets any real HP and torque gains to be worth purchasing. With that said I respectfully and strongly disagree. I feel the CAI is a vital part when power modifications are made to the vehicle and worth every penny.

The sheer sound alone of the CAI as its sucking down that air is worth the cost. It sounds like a mini turbo and its enough to send my blood rushing down to the 3 inch killer of dangling furry. The CAI sound is like natural Viagra for me. Gets me up and going. While were on the topic of CAI I would recommend the Airraid however I'm aware you never asked which brand to get. Lol.

Then my friend after you have the glorious performance tuner and CAI may you purchase those 3:73 gears. Lmao. Go my bro, armed with the knowledge I have bestowed upon you. Lmao.
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