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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 07-12-2013, 09:40 AM   #1
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Throttle Body & Spacers | BBK, VMAX & Others

I thought I would compile a Throttle Body thread similar to previous Strut Tower Brace compilation. These definitely aren’t the level technical detail that you’ll find in the awesome write-up’s that guys like Apex or Jannetty have put together for us; but hopefully these threads are good for those who want simplified, centralized information, and aren’t afraid to use the search function.

I put this thread together with some pricing referencing while searching for general information. I’m not trying to promote any specific vendor – the links are just for reference. If you are a sponsored vendor here and have a link with a better deal, then post it! If there is a new TB or TB product, then post it if you’d like, and I’ll add it to the top here as well.

BBK Performance 100mm Throttle Body | $399.99, on sale for $349.99 + Free Shipping

For: LS3
This TB has a fair sized bore to it, but requires significant upgrading from your stock TB. It’s going to move awesome air, but as I understand it, you’ll have to convert your fairly cool electronic, motorized TB to a cable driven one.



BBK Performance 95mm Throttle Body | $379.99 + Free Shipping

For: LS3
A bolt-on TB with a larger bore through the housing. This bore size is for stock or slightly modified applications. I don’t own this one. I want one.



VMAX Ported Throttle Body | $150.00 + there’s usually some core return costs and returns to deal with

For: 5th Gen Camaro
A stock TB that has had some machine work done to add swirls to the posterior tunnel , therefore creating a “vortex” effect built right into the TB. I own this part, and I’m okay with it although I find the “vortex” effect somewhat questionable. In theory it sounds pretty though, and it’s a cheap bolt-on for some easy small gains if you believe the claims!



Airaid Throttle Body Spacer | $89.90 (lowest listed, not guaranteed) + Free Shipping

For: “2012 Camaro”
A TB spacer that claims to create the infamous “vortex” effect that the 30 something crowd here probably remembers from the old “Tornado” air foil infomercial days. I find the science on this one questionable, but it’s a spacer and not a TB.



Vararam Power Wedge | $119.00 plus or minus 20 bucks + Shipping charges

For: 5th Gen Camaro
This is a curious part. An expensive piece of plastic, but the spacer technology here makes more sense than something like the airaid does. This one simply changes the TB mounting angle thereby eliminating some of the deflection of airflow that otherwise occurs from the stock mounting of your TB.



Taylor Cable Helix Power Tower TB Spacer | $71.99 (lowest listed, not guaranteed) + Free Shipping

For: Custom fit for you car
This thing seems like a generic spacer of some kind. I found it in a search. It’s got a ludicrous, long, self-important name. Let’s talk about it in the thread.
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Old 07-12-2013, 01:15 PM   #2
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Nice thread it is interesting to find out what each of them do.....
Here is a nice video on BBK

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Old 07-12-2013, 01:45 PM   #3
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The spacers are worthless IMHO, some say yes BUT they are always for sale in the classifieds.

The last one is an Ls1 style TB, won't work on Ls3
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Old 07-12-2013, 01:45 PM   #4
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Are BBK TB's out yet?
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Old 07-12-2013, 02:05 PM   #5
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Are BBK TB's out yet?
Coming soon....as they have been for 3 years.
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Old 07-12-2013, 04:19 PM   #6
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Coming soon....as they have been for 3 years.
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Old 07-12-2013, 04:27 PM   #7
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only spacer i seen that works well on these cars is one that drilled for nitrous
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Old 07-13-2013, 01:12 PM   #8
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^^^^^^YEEEEEEESS!!!
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Old 07-13-2013, 01:29 PM   #9
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Yeah bbk TB is finally out just saw it for sale in the new issue of camaro now. Its $399 and you have to use the oem TB motor.
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Old 07-13-2013, 02:37 PM   #10
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Yeah bbk TB is finally out just saw it for sale in the new issue of camaro now. Its $399 and you have to use the oem TB motor.
Its been advertised for months; doesn't mean they exist. Its the camaro version of snipe hunting. Go find me one in the wild.
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Old 07-13-2013, 03:20 PM   #11
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yes its been on lots of sites sayin shipping now , then a few days later they say needs futher r&d or something like that.
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Old 07-13-2013, 06:05 PM   #12
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only spacer i seen that works well on these cars is one that drilled for nitrous
Nailed it. Spacers are pretty much worthless.
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Old 07-14-2013, 10:35 AM   #13
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i think what spacer help on are cars that the spacer is after the fuel and air are mixed and then hit the spacer or give it more time to mix better. not sure but i know my dad messes with alot of sbc stuff and sometimes he runs a 1/2 spacer .
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Old 07-15-2013, 04:43 PM   #14
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Just something to chew on a bit - what's the point in having a larger TB (i.e., 95 or 100m) if it's attached to an intake manifold that accommodates a 90mm TB opening? The air from the upgraded TB is just going to hit the smaller manifold inlet and deflect or meet resistance anyway, no?
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Old 07-15-2013, 05:57 PM   #15
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i think what spacer help on are cars that the spacer is after the fuel and air are mixed and then hit the spacer or give it more time to mix better. not sure but i know my dad messes with alot of sbc stuff and sometimes he runs a 1/2 spacer .
That would mean carbs. They work well on carb'd engines since they're a level of heat protection along with your scenario.

Quote:
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Just something to chew on a bit - what's the point in having a larger TB (i.e., 95 or 100m) if it's attached to an intake manifold that accommodates a 90mm TB opening? The air from the upgraded TB is just going to hit the smaller manifold inlet and deflect or meet resistance anyway, no?
That would depend on if the IM opening is exactly 90mm. If it's a tad bigger, it might help. Only testing will show for sure. If need be, the plastic IM wouldn't be hard to dremel out to 95mm.
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Old 01-22-2014, 04:28 PM   #16
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Well I just installed the bbk 95 throttle body. You can tell my computer knew there was something different when I first started it up. Idealed a little funny at first. After a few it seemed to go back to normal. Went for a drive and at a stop still kind of think the computer is trying to get use to it but when I get on it man you can tell a difference. Gonna drive for a few weeks with street and track time and post back in a few. Oh. My mods are cold air,headers,high flow fuel rails,cam,rpm tune and now the bbk throttle body. 460rwhp/440trq
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Old 01-22-2014, 04:50 PM   #17
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Throttle Body & Spacers | BBK, VMAX & Others

I've had both the 95mm and 102mm BBK throttle bodies on my car during testing and I've been running the 95mm for about 10k miles now with no issues on a blown 725hp motor. I'll be putting the 102 back on shortly to see what a tune can squeeze out of it on a stock short block. The untuned gains were within 1rwhp on both of them using 91 octane.

Both show gains over the Vmax.

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Old 01-23-2014, 04:53 PM   #18
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Nice!!!!
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Old 01-25-2014, 09:26 AM   #19
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yea was looking for some type of comparison with the bbk versus the vmax, as one is just porting which is easy enough to do reducing material from the air horn to make it flow better or disperse the air more. And the other new and slightly (5mm) more than stock which of course the other can not gain by removing material only flow better and yes a bbk new could be spiraled also.......
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Old 01-25-2014, 10:22 AM   #20
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Nice thread, thank you for your work on this.

Throttle bodies are one of the misunderstood Performance Items that have they're place in certain builds.

First we have to determine if the Stock Throttle body is a restriction on your combination.

We can do this through dyno testing and measuring Intake manifold absolute pressure during a dyno pull.

We compare Atmospheric Pressure to Intake Manifold Pressure taking in to account Air filter restriction.

If we don't see a significant difference in Pressure there is NO ADVANTAGE to a larger Throttle body.

To put this in to simple terms we typically don't see any gains between a 90 mm and a 102 mm until we are above 500 RWHP.

Then the Gains are Linear, Where we might see 0-1 at 500 RWHP and might see 10-20 at 700 RWHP.

This would ONLY BE on a DRAW Through configuration like N/A or PD Supercharger.

We Also ONLY See Gains at Higher RPM.

On Blow Through we Don't see any Gains as we are forcing Air through the TB and a 90 acts like a 200mm at 16 psi.

We do however always see Throttle Response which gives a False sense of More Power.

This is Simply because of Area of flow VS Blade Angle.

A Larger Throttle body will flow Significantly More air at say 20% Blade Angle than a Standard piece.

Also Note you can Not just bolt on of these larger Throttle bodies on a drive by wire car without Custom Tuning.

The computer needs to Know the Max flow Area in mm2

Hope this info Helps.

I can elaborate more if need be.

Ted
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Old 01-25-2014, 10:42 AM   #21
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The only throttle body spacer worth owning is one that has nitrous hookups
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