Ported LSA vs LS3 throttle body? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Travis104 · 09-21-2015, 01:30 PM

Hello,
I had a vmax ported throttle body on my 13ZL1 and traded it in for a 14ZL1 with recaros and a few other options. I was not able to keep the TB since I used the original as a core. I want to do a lower pulley 10% or larger, CAI, headers, tune, and maybe a cam in the future. Which TB would benefit me?
Thanks,
Travis

nivek · 09-21-2015, 02:49 PM

I am interested in this also.

I know a while back ADM Performance stated that an LS3 throttle body was a great upgrade for our cars. I am planning to purchase one at the same time I do my pulley upgrade.

Travis104 · 09-21-2015, 03:04 PM

I couldn't find any data on how much the vmax was ported. I was wondering if it was about a 90mm opening after porting.

winterboy8 · 09-21-2015, 03:16 PM

I would assume the measurement of the opening is measured at the butterfly. Since this portion of the opening is not ported, I don't think it is a measurement that means anything. The portion of the TB between the butterfly and the intake tube is the portion that is ported and by the looks of the video, I would guess 1-2 mm of material is removed. More importantly it is done on a CNC and is consistent and perfect every time. Good throttle response, no HP gain. I would think if you port the snout, S/C and heads you would really have some good flow and throttle response.

el ess A · 09-21-2015, 04:18 PM

Before I went with my Bo White ported LSA TB, I did a little research on it. Apparently, from what I gather, you'll likely need to tune to adjust for the air flow changes using the LS3 TB. If you're tuning anyway, so be it. But it doesn't appear it's strictly a bolt on and go. (And you'll likely need to flip it 180 anyway).

I haven't done it so I cannot verify first hand, but I'm not sure if the stock calibrations can adjust and learn the new TB or a tune would be required.

Travis104 · 09-21-2015, 04:41 PM

I did see where it would have to be inverted. I was curious if the ported LSA would restrict more than the LS3. No plans or porting the snout right now or I would go larger.

JANNETTYRACING · 09-21-2015, 04:52 PM

Quote:

Originally Posted by Travis104

Hello,
I had a vmax ported throttle body on my 13ZL1 and traded it in for a 14ZL1 with recaros and a few other options. I was not able to keep the TB since I used the original as a core. I want to do a lower pulley 10% or larger, CAI, headers, tune, and maybe a cam in the future. Which TB would benefit me?
Thanks,
Travis

Hello Travis,

We get to play with this stuff all the time and I can promise you no gain until your at least 125 RWHP over stock then it is actually measurable.

We picked up a couple hundredths of a second at the track in back to back testing at this power level.

At 700 RWHP we picked up 20 RWHP from a Standard LSA to a Ported LS3.

So it is all about Demand vs supply of air, you need to have the demand before you can take advantage of the supply.

Ted.

Stephen12ZL1 · 09-21-2015, 05:52 PM

LSA 87mm TB & LS3 90mm TB...bigger is better and a direct bolt on. Even unported, it is a cheap mod that is worth a few hp especially with pulley & air intake mods.

KaBoom1701 · 09-21-2015, 06:14 PM

I only have a few mods...see signature below...and the Vmax TB made things worse...throttle was all over the place after I installed it...like JR said above..unless you 700+ hp don't bother..the stock LSA TB in our cars are fine.....if you have a SS or V6 then it's a must.

Now if you place on tuning then go for it!

Travis104 · 12-15-2015, 11:20 AM

If I were going to do an 18% lower, headers, CAI, injectors, and tune, would I be ahead to go ahead and do an LS3 throttle body? Or would I be better off to wait until I do more mods to it?

Fraxum · 12-15-2015, 11:39 AM

Quote:

Originally Posted by KaBoom1701

I only have a few mods...see signature below...and the Vmax TB made things worse...throttle was all over the place after I installed it...like JR said above..unless you 700+ hp don't bother..the stock LSA TB in our cars are fine.....if you have a SS or V6 then it's a must.

Now if you place on tuning then go for it!

So while the extra LS3 flow is not significant is there any drive-ability advantages of say a ported LSA TB? Or are they only imaginary on a ZL1?

Having put 2 of them on different LS3s I have to say I am still not sure.

KaBoom1701 · 12-15-2015, 01:09 PM

Quote:

Originally Posted by Fraxum

So while the extra LS3 flow is not significant is there any drive-ability advantages of say a ported LSA TB? Or are they only imaginary on a ZL1?

Having put 2 of them on different LS3s I have to say I am still not sure.

I imagine the LS3 gives you a little better throttle response.....

But no real HP or Torq gains until you hit higher HP #'s around 700.

Dutchman427 · 12-15-2015, 01:18 PM

I had the stock throttle body ported.

CanadianZL1#992 · 12-15-2015, 09:53 PM

I use unported LS2 silver blade 90mm throttle bodies on my ZL1's.

09-21-2015, 01:30 PM	#1
Travis104 Drives: 2014 ZL1 Join Date: Sep 2012 Location: West Virginia Posts: 591	Ported LSA vs LS3 throttle body? Hello, I had a vmax ported throttle body on my 13ZL1 and traded it in for a 14ZL1 with recaros and a few other options. I was not able to keep the TB since I used the original as a core. I want to do a lower pulley 10% or larger, CAI, headers, tune, and maybe a cam in the future. Which TB would benefit me? Thanks, Travis

09-21-2015, 03:16 PM	#4
winterboy8 Drives: 2015 ZL1 Blue Velvet Metallic Join Date: Mar 2015 Location: Melbourne, FL Posts: 720 View My Garage	I would assume the measurement of the opening is measured at the butterfly. Since this portion of the opening is not ported, I don't think it is a measurement that means anything. The portion of the TB between the butterfly and the intake tube is the portion that is ported and by the looks of the video, I would guess 1-2 mm of material is removed. More importantly it is done on a CNC and is consistent and perfect every time. Good throttle response, no HP gain. I would think if you port the snout, S/C and heads you would really have some good flow and throttle response. __________________ Roto-Fab CAI, ARH LT, SW 3" catback, JRE tune, Elite-2 CC, VMAX TB, Big Gulp, WW II relo, Lingenfelter S/C reservoir

09-21-2015, 04:18 PM	#5
el ess A Older Than Dirt Drives: 2010 & 2013 Camaros Join Date: Apr 2010 Location: Aiken, SC Posts: 4,686	Before I went with my Bo White ported LSA TB, I did a little research on it. Apparently, from what I gather, you'll likely need to tune to adjust for the air flow changes using the LS3 TB. If you're tuning anyway, so be it. But it doesn't appear it's strictly a bolt on and go. (And you'll likely need to flip it 180 anyway). I haven't done it so I cannot verify first hand, but I'm not sure if the stock calibrations can adjust and learn the new TB or a tune would be required. __________________ 2010 2SS TE, 1 of 822/2013 Camaro ZL1 vert, 1 of 54

09-21-2015, 05:52 PM	#8
Stephen12ZL1 Drives: '21 ZLE A10 Join Date: May 2012 Location: Mechanicsville, VA Posts: 6,824	LSA 87mm TB & LS3 90mm TB...bigger is better and a direct bolt on. Even unported, it is a cheap mod that is worth a few hp especially with pulley & air intake mods. __________________ '21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60' '17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold)

12-15-2015, 09:53 PM	#14
CanadianZL1#992 ANGRY Z Drives: 2015 Camaro ZL1 Join Date: May 2012 Location: Alberta, Canada Posts: 1,406	I use unported LS2 silver blade 90mm throttle bodies on my ZL1's. __________________ 2015 ZL1 A6 396 stroker RWHP- depends on nitrous

09-21-2015, 02:49 PM	#2
nivek Drives: 2015 ZL1 Black #100 Join Date: Oct 2014 Location: The Colony, TX Posts: 102	I am interested in this also. I know a while back ADM Performance stated that an LS3 throttle body was a great upgrade for our cars. I am planning to purchase one at the same time I do my pulley upgrade.

09-21-2015, 03:04 PM	#3
Travis104 Drives: 2014 ZL1 Join Date: Sep 2012 Location: West Virginia Posts: 591	I couldn't find any data on how much the vmax was ported. I was wondering if it was about a 90mm opening after porting.

09-21-2015, 04:41 PM	#6
Travis104 Drives: 2014 ZL1 Join Date: Sep 2012 Location: West Virginia Posts: 591	I did see where it would have to be inverted. I was curious if the ported LSA would restrict more than the LS3. No plans or porting the snout right now or I would go larger.

09-21-2015, 06:14 PM	#9
KaBoom1701 KaBoom1701 Drives: 13' ZL1 Red M6 Join Date: Dec 2012 Location: I.E. SoCal (Yucaipa) Posts: 8,631	I only have a few mods...see signature below...and the Vmax TB made things worse...throttle was all over the place after I installed it...like JR said above..unless you 700+ hp don't bother..the stock LSA TB in our cars are fine.....if you have a SS or V6 then it's a must. Now if you place on tuning then go for it! __________________ Mods: Roto-Fab Intake, WW Res. kit & Big Gulp Air Scoop, Elite Catch Can, ATI Super Damper & 18% OD Pulley, LF Idler pulley bracket, Metco CC breather, ID850 Injectors, Stainless Power Headers w/ ceramic coating, TR71X Spark Plugs, JMS Fuel Pump Booster, Bo White TB, Tuned by Ted @ Jannetty Racing, Ron Davis HX, D3 Reservoir, Pfadt 1" Springs, Moreno Camber Plates, ZL1 Addons Splitter guard washers, Tow Hook kit & rock guards, Hurst Shifter Billet Plus 6 Speed Short Shifter, ZL1 DRL lighting harness, ZL1 Recaro Seats.

12-15-2015, 11:20 AM	#10
Travis104 Drives: 2014 ZL1 Join Date: Sep 2012 Location: West Virginia Posts: 591	If I were going to do an 18% lower, headers, CAI, injectors, and tune, would I be ahead to go ahead and do an LS3 throttle body? Or would I be better off to wait until I do more mods to it?

12-15-2015, 01:18 PM	#13
Dutchman427 Drives: 2012 ZL1 #1329 M6 Join Date: Jun 2009 Location: Reading, PA Posts: 1,040	I had the stock throttle body ported.