Do Throttle Body Spacers Work?? | Watch BEFORE BUYING!!
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- Опубликовано: 14 апр 2021
- A common question across platforms: Do Throttle Body Spacers actually work?
Make sure to watch this video before you make the purchase for your VQ37!
Let me know in the comments if you have personal experience with these as we are all curious. Thanks for watching!
aFe TB Spacers: afepower.com/afe-power-46-360...
My Favorite Things: www.amazon.com/shop/speedcult...
Speed Merch: teespring.com/stores/speed-cu...
Where to Send Things:
Speed Culture Studios
634 NE Main St.
PO BOX 1830
Simpsonville, SC 29681 
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me watching this after I already ordered one
Happens! Let me know if you notice anything!!
@@SpeedCultureStudios ok I will, its getting here tuesday lol
@@SpeedCultureStudios I just installed it and drove with it, I have an FJ cruiser. I actually really like what it did. It seems to have made low RPMs less laggy, I already have a CAI so I don't think it added a lot of hp. To me, the most attractive talking point is the throttle response, and so far that is what I have noticed.
@@jacksonwalker3278 that makes sense. How is it right now? I wanna know
@@BapFootballHD I really like what it did for my 1 GR. It made the car feel more refined instead of sounding like it's gonna blow up under load. maybe a slight increase in throttle response but nothing crazy. If you want one, do it. You aren't gonna regret it. It's not a 100-dollar miracle, but I'm glad I own one
There is a pretty cool show called "Engine Masters" they do a whole episode on these TB spacers. They do a lot of tests with different style spacers and different engines. They basically found that every engine reacts differently to them. I think the best numbers they saw was an 8 horse power gain, in some cases the cars lost power. Another factor they were all V8's and some were boosted applications. So I guess end result is it is a total crap shoot...probably not worth it on a N/A V6.
I think the best thing people can do is figure out who they want to tune their car and get their input. They see tons of data every day to back up whatever part list they may recommend. In most cases since the tuner has no real affiliation with these vendors they don't have any biased interest in suggesting certain things either.
Had one one my 03 Z, definitely felt the difference from stop and at higher speed, the car could climb up easier. Also there was a supercharger whining sound when reving! Planning on getting it for my 2011 fx35 🤞🏾
I had a Throttle Body Spacer in my Genesis Coupe 3.8 with a side port. It was perfect for injecting Seafoam intake valve cleaner.
Now there’s a use for it!
Melbourne is still listening , you should have more subscribers my brother, thanks for another well explained video.
Glad to have you, as always, and I appreciate the kind words!
Thank you for the insight J, didn't even know they had these for the q50. I had some given to me when I had my blazer xtreme and they were trash. Didn't do shit but move my things around. I didn't like it. Waste of money they good part is that I didn't buy them. But thank you J for the video and keep that great content going!!!
Yep! Your on point 1-2hp. Buddy just got off the dyno with his 12 g37s coupe full bolt- on. We were all curious and 1-2hp for over 200 bucks 🥱 lol. His tuner was like your lucky I squeezed that much out lol. Great video my dude.
Thanks! Yeah and honestly, they probably could not positively attributed that 1-2hp to the spacers. Like I said in the video, you can do back to back to back pulls on the dyno with no changes made and see a variation of 1%. He could have done another pull after gaining that 2hp and been down 3hp. Margin of error. I’ve never seen any evidence of true confirmed gains from TB spacers on any platform.
I agree, waste of money for the VQ. Can't relate to a v8. Who knows it could create 10hp 🤷🏽♂️
@@Hondacbr600rrish I’ve seen them installed on many mustangs lol. Same results...
There we have it lol. Don't buy them lol.
@@Hondacbr600rrish hemi v8?
I have throttle body spacer on my 03 G35 de and my 08 G35s hr. On the older de I definitely felt more throttle response after installing them I didn't expect much from them. On the hr I felt a little bit more throttle response but nothing crazy. Both on stock Intake system. Definitely don't think I gained any power but who knows.i did also have to cut a bit of the intake boots a little on the hr to get them to fit and made sure I had no leaks
if you have a civic with the r18 1.8 n/a , I can absolutely tell you they work FANTASTIC on these engines! especially if you couple it with some other supporting mods. The low end is instantly boosted up, and goes all the way till the mid. the throttle response makes it a whole new beast. GET ONE.
Been looking for a comment like this all day lmao
I can second this, did it to my old civic and it really gave it some Pep in its step in the low end and really improved throttle response
@@Ryzuuko it's awesome isn't it?! I have the throttle body spacer combined with a true cold air intake that takes in air from the bumper, and i opened up the area where the fog lights are so i get cooler air rushing in. and it's a tremendous difference with both these mods.
night and day. especially in "s" mode. i LOVE driving the thing even more.
Theoretically, in aerodynamics there is a concept of introducing turbulators to a structure in order to minimize the separation of air from the surface of an object. Separation can create small circulations at the back of the object as it travels through the air creating something called an adverse pressure gradient which can create excess drag upon the object. This is why they put dimples on golf balls so that they travel faster and farther. This however is a concept for external flow and I'm not sure how the existence of turbulators would work in an internal flow scenario to the same effect. Seems like bad science to me but I'll bring it up to my instructor.
Yes yes, the golf ball science is really cool. There is just too many contradictory concepts when it comes to intakes and throttle bodies. Smooth intake tubes to reduce turbulence and increase flow. Yet spacers that create turbulence to increase flow...
But their explanation of the turbulence increasing pressure in the combustion chamber, that’s what I would like a deeper explanation about. Nonetheless, however logical the theory is, they don’t seem to work Lol
@@SpeedCultureStudios as a fluid (air In this case) moves inside of an internal flow It approaches something called fully developed where the velocity at the center of the tube is at its maximum and no longer changes with respect to time. However regardless of how this fluid acts inside of the tube It does not affect the pressure gradient in any meaningful way. Fluid will always move from high pressure to low pressure and the only thing that would increase The flow velocity would be if the outside pressure was somehow increased or the inside pressure was somehow decreased neither of which would be affected by the flow of the fluid In this case. The reason why they prefer nice smooth tubes is so The velocity of the fluid becomes fully developed sooner and you have a nice steady flow into the combustion chamber. I'm always happy to answer any questions you have to the best of my abilities. This does get more in-depth But I hope this kind of explains a little bit behind what you've undoubtedly researched.
True on point. Yet I did do a dyno. I currently have a 2019 nissan frontier and installed afe intake afe headers and exhuast. Yet I took the spacer installed and I did gain 6hp more. Yet is it worth the 150 bucks. I would say no. But if you got spare change hanging around try it!. I did and am happy. Every vehicle will act different . Mine was positive response.
Understood that this is an old video, maybe with other supporting mods you might get much better results, such as throttle body coolant bypass, run a throttle body water cooler instead , hey you can always diy a spacer out of 1/2" plastic cutting board 😊, my $0.02...
I do not know if it improves HP or Torque. However, what I do know is that they increase MPGs if you have a manual transmission (probably an automatic as well). I have one in a 2022 JLU with manual transmission and in 5th and 6th gear between 1500 and 2000 rpms you basically had a dead pedal. If in 6th you had to downshift for mild elevation changes and if you wanted to accelerate after dropping to 5th you might have to drop it to 4th. I do not have to do that any longer and it will hold 6th gear and if you want to accelerate you don't have to shift down to 4th anymore. Thus, you increase MPGs because you can stay in a higher gear. I confess that I created some of the problem when I put 2 inch taller tires and did not change the front and rear gears, but now I don't have to because the throttle response is so much better at lower RPMs.
I actually got them and tried to install them. Then I noticed that I had to move front the whole intake and on one side (don't remember which) it rubbed with an A/C line. I ended up returning them.
Good feedback!
I have an HR and kinda wanna get these but idk. I put one on my k20z3 and made like 5whp and shaved a tenth off my 1/4 mile. Tested with dragy with multiple runs and it was consistently faster after the spacer.
Try it and let us know!
@@SpeedCultureStudiosordered some eBay ones lol well see
@@SpeedCultureStudios after a couple months of driving the car with the spacers, it does seem to have better throttle response. Not sure if it's gained any power but the intake sound is better with these spacers.
How about 3inch intake with 76mm TB with spacer, will they make more power?
Thanks for solidifying my decision on not buying one of these. Sounded a bit suspect gaining up 10 NO just from a small piece of metal.
The sales pitch always makes it tempting--I've just never heard any real life, verifiable gains from them.
i installed a TB spacer on my 1978 Chevy Vega and saw about 120 hp gain. Prove me wrong.
You prove it
Hey guys I really need your opinion about those afe TB spacers, Just got them installed on my g35 hr sedan and can feel little difference on throttle response but still can’t decide is it gaining hp or I’m loosing some 😓
You can feel a difference but you don't know if you're gaining or losing?
thank you mac demarco.i have one on my 97 ford f150 and to be honest I didn't feel nothing probly made it more slower.i have a cold intake on it and that I felt a difference on.thanks man
No resemblance
Thank you very much for your sincerity, I thought to buy it, but under your experience and decided not to buy it. Many Thank you for your time and work, a greeting from Spain
Thank you for watching!!
I feel the only time spacers would really do anything is by giving a little bit more distance for fuel to atomize and mix on tbi and carb setups. As for air. Unless you force more air through the intake. The cylinders will still pull the same amount of air.
I think tb spacers help more when driving with low throttle. When not flooring it. That's usually where I noticed the difference in other cars.n
I have ones from ebay and they cool songs like take more air
I got a 06 ram 1500 hemi.ordered afe intake(neighbor talked me into it)you think this spacer will help with the new afe intake or should i pass? Thanks
I would pass on the spacer.
@@SpeedCultureStudios right on man.thanks for the reply & advice 🙏🏽
Wording is everything my friend. Another mod that you swipe right on. More money to save for a much better mod.
Or you can buy an eBay one for $60 and appreciate the better throttle response you'll get.
The problem with them is that $200 is way too much and there's little to no increase in HP.
I got the tbs didn't notice anything and I'm thinking of taking them off should i?
They aren’t hurting anything
Great video brother, I hate when I see people/channels promote some dumb product that's popular today. But the way I look at a TB spacer is like this... don't expect for it to inherently give you more power. If it can do anything, it'll be aiding temperature control which can in turn aid in power. If it'll reduce IAT by even 1 degree then ehhh... I'll spend $50 on one. The fact that they just look pretty can almost justify the cost for me lol. Besides, I've spent $50 on much dumber things in my time on this rock.
Lol that’s a positive perspective. I won’t argue with it 😂
HP gains is purely a marketing angle for those that don’t understand their engines.
I recommend researching the intake of the old Ford Taurus SHO and why a V6 had 12 intake tubes, but only 6 were operating at any one time.
Whether or not a TB spacer will benefit you depends on how/where you drive and what modifications you’ve made between the combustion chamber and the tb.
Hint: a tb spacer affects velocity!
My thoughts were the same, I feel like it would just mess up the placement and fitment of the intake and where it connects to the airbox with no real benefit to performance. 👍
They work trust me
@@kellypark007 how?
@@Manny99999 introducing more volume for the plenum and giving you a bit more air to fuel mix.
@@Manny99999dyno proven. What LHT's video of them dynoing one
I have these on my 2015 Q40 with the takeda cold air intake. I thought when I ordered them that there was a possibility that I was buying snake oil lol. After having to get new couplers for the intake because the angle of the throttle body changes with the extra space in-between. They actually do work very minor. All it helps is to increase velocity of the air. I got mine for like 180 shipper a year ago some sale and had a 10% off code. I'm happy with them but definitely not the most important mod lol just a place holder to scratch the itch of modding.
I like that definition “scratch the itch mod.” That’s a great way to put it! Doesn’t hurt anything and isn’t too expensive so still allows you to tinker a little. Well put
That thing makes good sound.
Thank you!
With your generous donation of $20 I will pray for your car to go faster🤞
Some maybe none have supported these claims👍
May I ask, what is the difference between adding a TB spacer than increasing the length of my air intake ram pipe?
There wouldn’t be any difference unless the increased length got your filter closer to cold air
@@SpeedCultureStudios I mean, for example, if the width of the TB spacer is 1 inch wide, by lengthen my ram pipe to 1 inch, is this "concept" works the same way?
@@kcong4958 I suppose it is the same concept but the result is the same-no gains. Many, if not most, TB spacers have a design to “spiral” the air into the engine, so there is technically a difference there-but that still doesn’t help.
Thank you for letting me know!!! That would’ve been a waist of money 😂
They work trust me
@@kellypark007 hey bro do they really work , would you recommend them. I have G37s coupe with with supported mods
Torvarris Evans I bought one in the past for my Ls1 camaro and they worked excellent but for this set up idk to be honest because yesterday I installed my z1 cold air intake and it didn’t really do much I’m starting to think he know what he talking about
@@kellypark007 ok cool bro
Nice bro, so didn’t notice nothing at all
Thx i was a sucker
But are you happy with them?
question. how come you dont have your engine cover on? mine fits under the strut bar fine. stay safe!
Because it’s ugly. No other reason lol. It still fits, I just don’t like it. I’ve talked about it in other videos. I prefer the mechanical look of the engine rather than a plastic cover
Old video but I liked it. Anyway I’ve come to conclusion that TB spacers only do 1 thing. Allowing a port for a NoS system. If they truly worked RUclips would have 1,000 videos proving on a dyno. I’m surprised that there isn’t any proving/disproving them working. Therefore when in doubt believe what you see and I haven’t seen any dyno showing them doing any hp gains
Exactly right!
My question is not concerning HP gains as much as from a stop throttle responce will it add to that? we shall see since i just ordered one.
Some say yes some say no. Curious to hear your feedback when you get yours installed!!
Thought process behind the design is they cuts in the metal is supposed to add an air movement from straight free flow to a swirl movement then the smaller diameter exit on the part is supposed to act like a funnel from a wider diameter to a smaller diameter causing the air pressure to gain velocity. All in theory but the part you got looks like its backwards. I would assume the smaller diameter should be on the exit side now the inlet side.
I did not get these. I don't know what you're referring to when saying the part I got looks backwards. The purpose of the cuts was read from the description of the part itself. I think it's more of a ploy than a theory.
@@SpeedCultureStudios i was referring to the picture you used in vid. Yea with physics it should work in idea but I feel that different cars and different mods will handle the part differently.
@@Demon_Mx2277 ah yeah the pictures included were just from websites. It’s definitely true that different engines respond different to certain mods!
Should I buy a 2013 g37x with 50k miles for 10k?? I need your answer man I like the way you keep it 💯 always! 💪🏼💪🏼💪🏼
That's probably priced about right. Wouldn't hurt trying to get a better deal.
@@SpeedCultureStudios he was asking 12, but i still got to inspect and test drive, any advice when looking for mech issues?
@@jrtrippy1795 check the oil check the coolant to make sure neither looks like chocolate milk. shift through all gears under load to make sure there is no slip in the trans. that's pretty much it. no weird noises or smoking obviously. Ask about the gallery gasket and if it's been replaced.
You get better hp gains with the afe dry drop in filters for less money...lol
That’s the first thing I bought for my 3.7 the afe dry filters.
there a difference in cheap vs expensive tb spacers?
No.
Boost, NOS and displacement are the ONLY power adders. Most “performance” bolt-ons target reducing friction, therefore freeing up pre-existing power. Disconnect your power steering pump and notice the gains.
If you understand when and where and why to run a single plane or dual plane intake manifold, you’ll better understand a tb spacer.
No, it doesn’t give you ANY more power. But it does do, is change your power band.
An LS already has a broad low to mid power band. Therefore it’s unlikely to notice any “gains” from one. However, a small 4 banger might feel a bit more low end torque improvement.
It can certainly vary from vehicle to vehicle-in the VQ, you won’t notice any additional power gains or changes to the curve. Zero impact
If you get the ones with ports you can install WMI or nitrous 😉
VQ nitrous systems require nitrous nozzles to be 6 - 8” from the throttle bodies-I believe NX even says 10” so throttle body ports for nitrous, in this application anyway, would not be recommended.
@@SpeedCultureStudios wmi isn't recommended that close either.. .while not ideal they do sell spacers with the ports marketed for the reasons named.
I would like to add, I have ran WMI about 3 inches from the throttle body plate, it worked fine.i would also put nitrous in the same spot myself.however I don't care about my motor and if I did I wouldn't have twin turbos....I'm not recommending anyone does it. If you do try do so at own risk.
@@bleach_drink_me it’s just what the nitrous system dealers recommend. I’m sure it has something to do with giving the fuel/nitrous mixture enough time to atomize/mix evenly into the tb.
Let me give some advice. Do buy the eBay one and save yourself some mone. It’s an aluminum blank. It’s impossible to screw up. Check the size is right and go for it.
I'll give you even better advice. Don't buy them at all lol.
Me also watching this after I just installed one. Smh...havent dyno yet....errrrr
Have u thought about putting a bov kit ?
No because this is not a turbo car
@@SpeedCultureStudios oh damn thought it was
Hey bro , I bought a throttle body spacer, for my G37s, am not sure if it did any thing, but I ran my friend 370z before the spacers and I did beat him. But after I installed the spacers he did beat me , so I guess these spacers are junk
Probably has nothing to do with the spacers. Race him again. The z and g are very closely matched. Could come down to fuel quality, freshness of your plugs or coils etc. the spacers aren’t going to win are lose a race!
@@SpeedCultureStudios thank you bro , I will race him again
Great video
Great video, now my next mod is destroyed lol. I would’ve thought there would be some hp gains. I was going to go with afe. They claim some hp. They even had a Dyno sheet with the 370z stock with muff delete. The hp was 6 plus 7lbs tq. I know every car is a bit different and some results vary. But it seems with the 3.7 a couple hp is a lot and every bit helps. Oh well.
It works. I have one. Didn't pay 200 bucks. My definitely works. I have a few mods on my car,as well
@@carlosmoody1615 I paid $65 for mine. Much better throttle response.
@@carlosmoody1615 this definitely works on a panther body car. Throttle response on a 4.6L with performance air filter and muffler delete or muffler and resonator delete is a notable difference. This is just shy of $200 worth of parts from factory. No Cold air intake. They don’t work properly unless tuned so I buy a $20 performance air filter and slap it in the factory air box and it works like a charm. Also I think the spacers work better on V8’s because of the torque difference and the intake manifold size.
When do you plan on getting to the point
Don’t know what you want man. Contents of the video is outlined at 0:17 and then flows following exactly that timeline 😂 What are they, what are they supposed to do, what do they actually do (if anything) and are they worth it… The whole video is on point. If you knew everything or the video wasn’t informative for you in that you missed the point, I’m not sure why you even clicked on it…
what about the big bore throttle bodies?
They make more sense to me in theory, but results I have seen from them don’t do it for me either. The dyno sheets I have seen show the same numbers as people with factory TBs. the thing is that the VQ already brings in as much as as it can handle so when you install bigger intakes or ported manifolds, the car can’t really do much with it. Test pipes and catback help and headers kinda sorta help, but the results don’t change much. You will make 335-340 hp with intakes, test pipes and catback. Install big bore TBs, you’ll make 335-340hp. Install ported upper and lower-335-340hp. Install headers...335-345hp.
@@SpeedCultureStudios thanks! thinking of just LS swapping hahaha
@@justenrust7651 sounds like a good kdea
3 hp gain 8hp torque for me not bad
I tried these on many vehicles over the years. N/a and forced. Never saw a single gain. A cam and a good tune always went farther.
Well the next argument is improved gad mileage… some people claim up to 4mpg gain.. even in the case of a 1/2 mpg gain it pays for itself… and then people like the extra noise.
I got suckered in.. i ordered a steeda, it was only $95 shipped. Steeda claims 2-4 horsepower and improved mpg.. steeda is a company with a good reputation so you tend to give credence to the brand name too. Its an easy sale when they mention “saving gas”… oh yes it will pay for itself.
I installed a Spacer with a drop in K&N air filter. It produces a deeper growl and better throttle response, on my 2010 CVPI. I also use a drop in K&N air filter on my work CVPI and the growl gained isn't as strong.
They do work. But more HP is bs. They are NOT a poor man's turbo.I paid $56 for mine from Ebay. Well worth it. But paying $200? Fuck no!
Not worried about the growl honestly
@@SpeedCultureStudios My point is that it worked. You could even hear a difference. Hence why I brought up the different growls.
@@spacepope87 I understand. If you’re purchasing them for a change in sound, they may work. But the purpose of the part is to increase velocity in air which is supposed to increase horsepower. And I agree with you-that’s bs
Thanks for checking in!
@@SpeedCultureStudios You're dismissing that it helps with throttle response. Why?
@@spacepope87 because it doesn’t. Maybe you think you felt a difference, but there is no way to measure it in any real way. Every experience with “gains” or “throttle response” is all anecdotal. TB spacers do nothing. Whether they are $30 or $300 I would tell you they are not worth the money.
Wait a minute… you don’t have one installed? 😂 ☠️ ☠️
Nope. And wouldn’t
I get better response, 2hp, and crispy response.
They work from my experience find the cheapest one
You have dyno numbers showing they work?
@@SpeedCultureStudios it was on a 2000 z28 camaro fully built I felt the difference no lie
SpeedCltr broddy how ya doing. how about for a 09M35HR7AT..... 145k on my baby
Not for your m35 either lol
Yeah throttle spacers are really only beneficial for carbureted motors. They are a marketing ploy for fuel injection motors
That’s right
Dude.
Everytime you take off the throttle body you gotta recalibrate it.
If not it won't run right
Not correct. But yes they are sensative so if you touch the flaps inside, that will likely require you to perform a throttle relearn
how did you recalibrate it? Can you be more specific, thanks!
@@BapFootballHD reset your car computer, then restart and it should relearn/reset air/fuel mixtures.
Throttle body spacers can be compared to a full length guide rod in a 1911. Not worth the aggravation, cost, or miniscule benefit ime. To each their own. It's a free country.
Right on
You say they domt add hoursepower… but are you talking peak power? Well the spacers are meant to increase low end torque below 2500 rpm and throttle response… not peak power..
They have no impact on power anywhere on the powerband in a vast majority of cases.
@@SpeedCultureStudios i agree you are probably right… but the case for the physics is there.. if you think of the throttle body as a choke point., speeding up air flow through it would improve air flow slightly.
@@keithbellair9508 The theory behind them is compelling and you can make it make sense, but in a practical sense, they just do not work. There are a lot of things that sound good on paper, but when you test them or put them to use in the real world, they just don't pan out. This is one of them.
No testing was done in this video
There has been plenty of testing done to know they’d not work 😂 Snake oil. Pretty common knowledge
$200 can get you a set of spark plugs
Exactly
It's seems really odd to me that you actually got one and INSTALLED IT on your car. In the comments section of my video I on TB spacers it was clear you were against then yet you "installed" one now.
Initially I thought it would give me gains in HP/TQ however after the installation I saw an increase in "response" Can't see response on a dyno but it's there! I'm so confused by you making this video. Please explain the intention
Watch the video lol. I did not install them. I just showed in my energize bay where they would be located. This was just answering questions that I get about them regularly.
@@SpeedCultureStudios looked Ike the black one behind the TB
@@blacktalonsport1262 No that’s just the mounting point coming off the intake manifold. The plenum.
@@SpeedCultureStudios it's not clear in the video
@@blacktalonsport1262 it’s clear if you are familiar with this engine. I didn’t think about others from outside the platform watching. But The spacers I show are silver. There is nothing silver in the engine bay. But I also never said anything about having them installed on my own car. I apologize if I wasn’t clear.
Least stickers give 5+ ho
Definitely
Another NOOB. I tried one myself because of the internet arguing lol
The difference is very noticeable down low.
And yes i would fit another if ever available !
Noob? 😂 It’s pretty common knowledge that, in general, these do not do anything. However, as I said in the video, every car is a little different. But you’re right-you’re the expert-because you “noticed” a difference. Maybe it did something for your car, but of course you know that without figures or proof, you just sound like a noob using his butt dyno saying “trust me.”
your the noob believing everything you read. Then Rubbishing products !Have a Wonderful day xox
@@SpeedCultureStudios
Too much talk…just sayin’…
It’s a talking video…just sayin’ 😂
Just put AFE spacers on my 18 Z ..It's a noticiable difference.
You noticed a difference? Mine are coming in tomorrow, 08 HR Z. Hopefully it does something lol
Your car wont make anymore power without a tune……it just doesnt….if you dont get a reflash or a dyno tune you wont have gains of power enough to feel it…what your feeling is a placebo effect
Who are you talking to?