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Dyno request for stock ls3 with aa setup

 
Old 02-13-2019, 12:35 PM
  #21  
DOUG @ ECS
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Originally Posted by donnyt View Post
Cordes did a ECS blower with just 91/meth a few months back and it put down 579whp. So I'd say you'd be in that range with headers and no meth.

https://www.instagram.com/p/BoHnGtnF0r3/
Originally Posted by Mike's LS3 View Post
No restrictive plate on the A&A kits.

Look at donnyt torque output: 500+ from 3800 - 6000 rpm. Who said Centri's have no torque?
Originally Posted by MRSUPRA View Post
If you're worried about getting the most torque with a centri, you should go with the ECS kit with the smaller pulley and restrictor plate.

I was actually worried about the lack of low RPM power too with Centri superchargers making full boost at redline. To my surprise, my recently purchased 707rwhp ECS powered GS makes so much power below 3K rpm's that my Nitto 555's(non DR) are completely worthless in the first 3 gears. I can't even imagine what a PD supercharger would do to traction.

Thank you guys, you are making my job too easy!
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Old 02-13-2019, 03:28 PM
  #22  
Chiselchst
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Marathon - if you don't mind, what is your boost at max HP? Just curious...
Thanks!

Originally Posted by marathon View Post
LS3 M6 A&A S-Trim 3.8" pulley with Kooks 1 7/8 on 93 octane.

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Old 02-15-2019, 02:49 PM
  #23  
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2009 a+a w/headers
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Old 02-15-2019, 06:34 PM
  #24  
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Originally Posted by VVVROOMTX View Post
Based on what you said with pump gas i would say about 600RWHP with an A&A V3Si supercharger. If you are worried that a centrifugal supercharger wont have enough low end torque you are worried about nothing lol. All of the PD blowers for corvettes dont produce good numbers anyway, centri is the way to go, ESPECIALLY since your car is manual, so youll never have a lack of torque.
Without meth on both systems, the TVS2300 will make just as much peak Hp and more peak Tq as a centri with equal boost. The difference is that the TVS will make more HP everywhere along the curve except on the top end. And you have full boost after every shift. Yeah, if you want to compare a TVS at 7psi to a centri at 10psi, sure the centri will make more power. Even the boost up and it's a totally different story.
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Old 02-17-2019, 11:00 PM
  #25  
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2008 A6 with 1 3/4 LG Super Pros, Catted and Borla stinger
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Old 02-18-2019, 08:50 AM
  #26  
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Originally Posted by old motorhead View Post
Without meth on both systems, the TVS2300 will make just as much peak Hp and more peak Tq as a centri with equal boost. The difference is that the TVS will make more HP everywhere along the curve except on the top end. And you have full boost after every shift. Yeah, if you want to compare a TVS at 7psi to a centri at 10psi, sure the centri will make more power. Even the boost up and it's a totally different story.
True boost is boost, the heatbeat performs better down low and the centri does better mid range and up. But the heartbeat is air/water and will have more heat soak issues
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Old 02-18-2019, 05:55 PM
  #27  
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Originally Posted by Chiselchst View Post
Marathon - if you don't mind, what is your boost at max HP? Just curious...
Thanks!
11 lbs
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Old 02-19-2019, 08:09 AM
  #28  
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Originally Posted by VVVROOMTX View Post
True boost is boost, the heatbeat performs better down low and the centri does better mid range and up. But the heartbeat is air/water and will have more heat soak issues
The Heartbeat actually runs very cool. Both IAT's and ECT's aren't troublesome even on hot days. Some brutally fast cars run air/water heat exchangers. Nothing wrong with that type of system. It just needs to be sized for the job. The good news is that you don't have a huge air/air heat exchanger blocking air flow to the radiator. Mine would idle with the a/c blowing cold in 95 degree TX heat. It rarely got over 200 degrees and cooled down quickly once the Vette got moving.

I actually did three dyno runs in the span of two minutes on mine. That was at 9.5psi. The runs were in the 630 to 640 rwhp range. The last run was about 10 hp lower than the first. You won't find many, if any, supercharger systems that have IAT control that good without meth.

The Heartbeat is a very good system for a mildly boosted (+/- 10psi) street ride. I don't think there's a better one out there. If you want much more than that, absolutely get one of the bigger centri systems, add meth, and enjoy!
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Old 02-19-2019, 08:55 AM
  #29  
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I disagree that heartbeat or air/water have more heatsoak issues. They can if they are overstressed, or pushed past their limits, but ran as designs they work excellent and IMO better than air to air.
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Old 02-19-2019, 09:12 AM
  #30  
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Originally Posted by old motorhead View Post
The Heartbeat actually runs very cool. Both IAT's and ECT's aren't troublesome even on hot days. Some brutally fast cars run air/water heat exchangers. Nothing wrong with that type of system. It just needs to be sized for the job. The good news is that you don't have a huge air/air heat exchanger blocking air flow to the radiator. Mine would idle with the a/c blowing cold in 95 degree TX heat. It rarely got over 200 degrees and cooled down quickly once the Vette got moving.

I actually did three dyno runs in the span of two minutes on mine. That was at 9.5psi. The runs were in the 630 to 640 rwhp range. The last run was about 10 hp lower than the first. You won't find many, if any, supercharger systems that have IAT control that good without meth.

The Heartbeat is a very good system for a mildly boosted (+/- 10psi) street ride. I don't think there's a better one out there. If you want much more than that, absolutely get one of the bigger centri systems, add meth, and enjoy!
Originally Posted by Unreal View Post
I disagree that heartbeat or air/water have more heatsoak issues. They can if they are overstressed, or pushed past their limits, but ran as designs they work excellent and IMO better than air to air.
I guess when keeping the system at a more "normal" boost level and mild mods you are correct. Ive had 2 vehicles with air/water systems and they have their benefits and disadvantages. For me, the type of racing and power i was making, the air/water was always a limiting factor. Air/water is awesome for the track!
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Old 02-19-2019, 02:06 PM
  #31  
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While I don't really like restrictor plates, and I don't advertise them, we do have them for those that insist. Like everything else I design, I try to make it the better than anything else on the market. Ours is like a velocity stack, rather than a stamped plate. It has a smooth entry to aleviate air "shear" and is securely fitted in the air inlet duct. There is no way this thing can get dislodged. It is also easily machined in small intervals to tune the airflow.



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Old 02-20-2019, 06:00 AM
  #32  
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What exactly does the restrictor plate do? Any before and after dynos/track times
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Old 02-20-2019, 07:21 AM
  #33  
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Allows you to run a smaller pulley to add power down low, while limiting power up top. So basically adds some low/mid range power. For track or peak numbers, should do very little to nothing as you are not in the range it adds power, and peak will still be restricted, but down low it will add power.
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Old 02-23-2019, 11:04 PM
  #34  
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Default Curious what mine will make

2012 Grand Sport (manual/dry sump)

•A&A kit (V3 Ti)
•3.8” pulley
•A&A blower cam
•A&A radiator
•80lb injectors
•ARH 1-7/8” headers with (hi flow cats and x-pipe 3”)
•Borla S Type II exhaust (3”)
•93 octane

*baseline run with headers, x pipe and exhaust only was 402whp









Last edited by donny1; 02-23-2019 at 11:05 PM.
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Old 02-24-2019, 01:47 PM
  #35  
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So?
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Old 02-24-2019, 02:43 PM
  #36  
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Originally Posted by old motorhead View Post
So?
Dont know yet.

Its supposed to be on the dyno soon.

I was just asking if anyone had any ideas of what I could expect for numbers with a cam in the setup.

The curiousity is killing me 🤔

Last edited by donny1; 02-24-2019 at 02:44 PM.
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Old 02-24-2019, 04:55 PM
  #37  
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Relax and have a cold one. I'm 100% sure it will put a big grin on your face! If it's a mild cam, figure 450 + 20hp/# of boost. If you're adding meth, pencil in a little more.
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Old 02-27-2019, 08:07 PM
  #38  
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Dam this thing made great numbers. 👍

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Old 02-27-2019, 08:56 PM
  #39  
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Originally Posted by donny1 View Post
Dam this thing made great numbers. 👍
Nice numbers! No meth?
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Old 02-27-2019, 09:15 PM
  #40  
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Originally Posted by doomi View Post
Nice numbers! No meth?
nope.

The 662 run the shop had the doors open and the OA was about 12* that day. The 639 number he had shut the doors and the shop temp was about 68*.
He said he saw an average of 640-650.
Very obvious here that boosted cars really LOVE cold, dense air.

The tune is very safe also. Absolutely no knock retard and timing was at 13*.

Im extremely happy!!

A&A certainly makes an AWESOME kit and the blower cam that Andy designed is perfect.

Big shout out to Todd at Doug Rippie Motorsport’s for an awesome install and the guys at A&A!!!
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