Compatibility between BBK 73mm increased throttle body & AIRAID POWERAID Spacer - Mustang Evolution

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Old 08-13-2014, 01:29 PM   #1
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Compatibility between BBK 73mm increased throttle body & AIRAID POWERAID Spacer

Hey everyone...so, since it has been so hard to find any info on these 2 mods going together, I wanted to share my results on here for whomever encounters this in the future.



Wow !

I did a visual inspection of the butterfly valve in the BBK 73mm throttle body to make sure the valve does not hit any obstruction when mounted with the AIRIAD POWERAID SPACER (per airaid customer service suggestion...)...none whatsoever, actually they fit together quite nicely despite the smaller diameter of the spacer which is built to fit the OEM stock throttle body.

I installed it, reset the KAM in the computer using the SCT tuner...this way it clears all the computer memory and starts fresh.

I tried the car and was really impressed...now, I know there is a lot of anti-spacer "save your money for something else" attitude out there...but my issue with these engines is in the low end, where they suffer a little before they get up there and thrive...so my intention was to resolve that.

I swear to God it's a beauty...now perhaps it's a combination of all the mods I have (who the heck knows right ?), I listed them below...but with this spacer on I am feeling :

1. Far better throttle response than before, the car is really aggressive
2. Definite push on the low end that was NOT there before and it gets up high far faster than previously
3. The sound is wonderful...there's that whistle that almost emulates a turbo.

No check engine light, no DTCs from the computer...I checked...

so verdict ? Whetehr it's a combo of my mods I cannot say, but after being wary of the compatibility between the increased throttle body mod (BBK 73mm) and the POWERAID SPACER that is built for the stock throttle body diameter; I can safely say this worked like a friggin' charm for me.

BBK's theory is that whilst the diameter of the spacer is made for the stock size throttle, the bore that it has, to allow for air speed up and circulation, makes the outer diameter (pre-bore) of the opening the same as the increased 73mm throttle...if that makes any sense.

I am running a 2013 convert V6 engine with :

- BAMA race tune 91
- JLT Cold air intake
- BBK 73mm throttle body
- PYPES axle back exhaust (muffler deletes - BOMB)
- FORD RACING X PIPE
- JLT OIL SEPARATOR
- ROYAL PURPLE OIL



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Old 08-13-2014, 02:10 PM   #2
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For $525+ for the TB and spacer it's deff not worth the gains. Get yourself a pair of shorty headers for less than $300 and get better gains from that.
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Old 08-13-2014, 04:02 PM   #3
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I agree. For that kind of money you could do better. I would spend a little more and get 3.73's, that will give you some low end.

If you could get a decent deal on a TB it could be worth it but in my experiences TB's dont do much.
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Old 08-13-2014, 04:08 PM   #4
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How much HP from all the stickers?
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Old 08-13-2014, 04:11 PM   #5
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Quote:
Originally Posted by Socal Stangman View Post
How much HP from all the stickers?
jesus that's a lot of stickers... didn't even notice them... I'd say +5 HP per sticker, multiple ones on a mod like the STB might be an extra 40....
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Old 08-13-2014, 04:23 PM   #6
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Most stickers show about. 4-5 hp on a dyno jet. 2-3 hp on a mustang dyno.



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Old 08-13-2014, 04:29 PM   #7
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Quote:
Originally Posted by Rapinator126 View Post
Most stickers show about. 4-5 hp on a dyno jet. 2-3 hp on a mustang dyno.



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Actually, my stickers added 25 on the dyno jet.

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Old 08-13-2014, 04:30 PM   #8
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Quote:
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Actually, my stickers added 25 on the dyno jet.

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Dam you must have a " NOS" sticker.

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Old 08-13-2014, 04:31 PM   #9
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I know about the headers...only problem is the work is a pain in the ***...and expensive. You may pay $300 for the headers, but installing them will cost you almost as much. It's easily a 2-3 hour job and at running rates of 80-100 an hour for specialists, you end up at the same $500. This is an easy bolt on...moreover, I am not talking about hp gains per se, but torque and low end hep, which is where these engines are the weakest anyhow.
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Old 08-13-2014, 04:34 PM   #10
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hp = hot poontang )

I like to advertise the mods under the hood...just not on the car itself.
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Old 08-13-2014, 04:37 PM   #11
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I agree on the benefits of the gears, and they re on my list...but my issue with that is that it's a job for a mechanic...I ain't doing that myself in my driveway...and adding the per hour rate for a good pro which is about $100 an hour, you spend double if not triple that...you cannot look at just the tag price.
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Old 08-13-2014, 04:48 PM   #12
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Originally Posted by Rapinator126 View Post
Dam you must have a " NOS" sticker.

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Even more powerful than NOS, Red bull bro. Ha ha ha ha

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Old 08-13-2014, 04:51 PM   #13
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You should be able to do the headers yourself no problem. I installed headers with a friend on his car (4 cyl. so only 1 set in the front) and it took an hour and a half and that was with both of us figuring out what to do.
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Old 08-13-2014, 04:58 PM   #14
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Don't you need a torque wrench and a lifter ? I only have those rollers you drive the car up...it lifts it only in front or behind by about a foot / foot and a half.
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Old 08-13-2014, 08:19 PM   #15
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Installed long tubes and xpipe in 2hrs

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Old 08-13-2014, 10:02 PM   #16
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I just got the FORD RACING X-PIPE today...

I'm not sure if I can do it myself though with just the ramps to lift the car...
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Old 08-13-2014, 10:18 PM   #17
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Shorties are stupid easy to install. Long tubes are a little bit more in depth and while a lift helps a lot, it's not necessary.

But with that spacer, you'll see gains down low, small ones but it ends up choking the engine out at the top end, you end up losing more top-end power than you gain low.
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2011 V6 Race Red - Airaid CAI , BBK 73mm Throttle Body, 3.73 FRPP Gears, BBK Longtube Headers , BBK Off Road X-Pipe , Borla ATAKs , SR Performance Strut Tower Brace, MPT 91R Tune, Powerstop Rotors and pads, JLT Oil Seperator, Koni STR.T Struts & Shocks, Eibach Pro Line Springs, BMR Adjustable Panhard Bar, J&M Caster Camber Plates, Mickey Thompson Street Comps on 19" Laguna Seca Hyper Black Wheels, Several other aesthetic mods
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Old 08-14-2014, 12:22 PM   #18
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Ah ok...i'll try to dyno today and see.


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