Homepage Garage Wiki Register Members List Social Groups Calendar Search Today's Posts Mark Forums Read
#Camaro6
Go Back   CAMARO6 > Engine | Drivetrain | Powertrain Technical Discussions > V8 LT1 Engine, Exhaust, and Bolt-Ons


BeckyD @ James Martin Chevy


Post Reply
 
Thread Tools
Old 10-21-2016, 07:28 PM   #1
PRAY


 
PRAY's Avatar
 
Drives: 2016 2SS
Join Date: Jul 2016
Location: Sanford NC
Posts: 2,766
PRAY ported intake and TB dyno results. 17/16rw.

I got my bone stock car on the dyno today. The Roto-fab didn't make it so I didn't get a chance to test it. I won't mention the company I ordered it from cause they are great guys but an honest goof up was made and the CAI was shipped to them from them. The funny part is it took a week to get back. So I just went to the dyno anyway. NBD

This is going to be a long post so for the non readers. I gained 17/16rw over my tuned stock intake and TB. The gains were from hit to quit. I only go a 100rpm or so if that, of rpm extension.

http://s39.photobucket.com/user/05LegacyGT/media/Mobile%20Uploads/20161021_173210_zpsmqwdicnr.jpg.html][/URL]

http://s39.photobucket.com/user/05LegacyGT/media/Mobile%20Uploads/20161021_173154_zpslawa7h3j.jpg.html][/URL]

The long and short of it till I can get the graphs up is that this car is a trip from the factory. I dynoed it a couple weeks ago when it was warmer and it put down 381/391rw. But the fuel was 12.0-2 and it was pulling 3+ degrees of timing. Then today I made three base line pulls and it put down 393/413rw. The fuel this time was 12.8-9 and it only pulled .5* of timing in a couple places and averaged 24.5*. Both of these runs were on the bone stock car and tune corrected to SAE and smoothed to 5 on the same dyno. Only the weather was better today.

I started tuning with no hope of any gains. I was able to get to 401/417rw which is pretty darn good considering I have really no fuel and timing to play with. I then swapped the intake and TB on the dyno and let it rip. The first run was 417/435rw and the second run was 418/433rw. The best part, NO TUNING CHANGES. None. I didn't gain another hp with about 5 attempts to get more power out of it. Car just stayed within a hp/tq or two of the first runs. The TB is working great as well. No issues what so ever.

Now some data. I tried AFR From 12.6 to 13.2 and timing from 23*-28*. The 28* was not my intention. It seems that as soon as the stock tune saw KR it switched to the Low Octane table that averages around 24.5*. When I put my tune in I copied the STOCK High Octane timing table to the Low Octane table and let it rip. 28* is what I got. Once that was corrected and I got rid of 99% of the KR there really wasn't much to be had over the stock tune TODAY. I settled on 12.8ish and 24-25* of timing. I didn't keep pushing it down low even though it was taking it. I wasn't getting good hp returns for the risk of timing. I don't know what I would have gained if I would have tuned the car when I first dynoed it in the warmer weather. I am sure I would have ended up where I did today which would have made the tune worth 20rw, not the 8rw I got.

My DynCyl went up from .84 as the high at peak tq to .89 on the dyno today. On some street tuning on the way home I hit .91 where as at the track last Sunday I only hit .84. I averaged about .3-4 DynCyl for the entire curves and runs. My MAP KPA also went up from 93-94 KPA at the lowest to 95-96 at the lowest. The MAF went up about 100hz on average. These are rough quick looks at my logs. I will have to go through them when I have time later.

So it seems that maybe the ported stock stuff isn't so bad. I really wish I would have had the Roto-fab to finish up the dyno session today. I have a feeling I am going to see some good gains with it. I don't think 13rw or so would be out of the question now that the TB/Intake are not restrictions anymore. So in total I gained 25/20rw or 37/32rw depending on which base line you want to start with today with keeping the car looking bone stock. I am taking it to the track Sunday so we will see what I can get the car to run.
__________________
2016 2SS. H/C SBE 1.37 60ft, 6.36@109.49, 9.97@136+. Nuff Said.

Last edited by PRAY; 10-22-2016 at 06:09 AM.
PRAY is offline   Reply With Quote
Old 10-21-2016, 07:31 PM   #2
TSloper

 
Drives: 2016 Camaro SS
Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
Nice!
TSloper is offline   Reply With Quote
Old 10-21-2016, 08:29 PM   #3
icon_636
 
Drives: 2014 Lincoln MKZ
Join Date: Nov 2015
Location: Oklahoma
Posts: 9
This is good info. Thanks for posting.
icon_636 is offline   Reply With Quote
Old 10-22-2016, 08:42 AM   #4
oldman


 
Drives: SS 6 speed of course
Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,137
Quote:
Originally Posted by icon_636 View Post
This is good info. Thanks for posting.
I would like to see pic of the port job..
__________________
Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
oldman is offline   Reply With Quote
Old 10-22-2016, 10:48 AM   #5
laynlo15
 
laynlo15's Avatar
 
Drives: 2016 1ss A8, Npp
Join Date: Nov 2015
Location: clark, mo
Posts: 5,976
That's a couple mods that are worth doing. Good numbers.
__________________
2016 Camaro 6.2, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock drivetrain. Kentshotrodgarage (M/T, Racestar Wheels), Best 9.40@147 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35.

2016 C7 A8 E85, Speed Engineering LTs, Nitto 555R2s 11.18@124.76 1.63 60ft, 7.23@98.38 mph
laynlo15 is offline   Reply With Quote
Old 10-22-2016, 10:55 AM   #6
JFM-jr

 
JFM-jr's Avatar
 
Drives: 2016 Camaro 2SS
Join Date: Mar 2016
Location: Suffolk Long Island
Posts: 955
I took a chance after talking with Pray and bought one of these intakes about 2 weeks ago. Pics will not do a lot of justice until it is physically in your hands. I was able to compare the stock unit side by side with this ported unit. The floor of the runners where it turns down has a much smoother transition. Simply running your finger in and out of the runners makes this evident. Surely one would think air would travel much easier thru this reworked port than the stock unit wich has some pretty notchy turns in comparison. At the time tho I had no clue if that was true as what one would typically think vs what a flowbench,data,dyno reveals can be painfully different. The roof of the runner at the turn also has more room now as well as the width of the runners. Hard to tell seat of the pants and I only give the typical "feels like it pulls strong" assessment. He was VERY confident it woud make more power and this post shows it to be true and has much more than a seat of the pants assessment to prove it. Personally going into this I figured in the 8-10RWHP region and id be happy with it. Good guy to deal with answered my standard 85 questions before I actually bought it lol. The nice part is no tuning is required and it does not take a hit anywhere in the curve. If your running a stock tune imparticular this is a great option cost wise vs say the MSD. I would like to see some real 3rd party testing of the MSD to see how it does beyond 5800RPMs at holding power. I wonder if a heads or cam swap will be needed to truly hold power steady to 6500 wich is where it cuts off.
__________________
2016 Hyper Blue 2SS A8,NPP,Moonroof
Pray ported factory intake manifold Ported TB
Rotofab
ARH 1 7/8 longtubes hi flow cats AFM deleted E85
11.0@124.9
11.65@118.8 pump gas,stock tune/exhaust
New combo: Pray Performance Heads/cam
MSD intake manifold and Circle D 3C
554/491 on E85 all work & tuning done by Pray
JFM-jr is offline   Reply With Quote
Old 10-22-2016, 12:31 PM   #7
pinoyscorpion951
 
pinoyscorpion951's Avatar
 
Drives: 2016 Bright Yellow 2SS A8
Join Date: Jul 2014
Location: Rancho Cucamonga, California
Posts: 610
Where are you guys purchasing these ported intakes? How much is the core charge?
pinoyscorpion951 is offline   Reply With Quote
Old 10-22-2016, 01:10 PM   #8
My87z28
 
Drives: 1987 Z28, 385cid, '16 Camaro 1SS
Join Date: Feb 2016
Location: Maryland
Posts: 523
Quote:
Originally Posted by pinoyscorpion951 View Post
Where are you guys purchasing these ported intakes? How much is the core charge?


I second this, I know about the ported Vmax throttle body, but I've not heard about a stock ported intake. I'm very interested.
__________________
02/23/16: 1100, 03/16/16: 2500 # TGHR6N
03/16/16: 2500, 03/18/16: 3000 TPW : 4/11/16
04/8/16: built & VIN 04/11/16 - 04/28/26 : 4B00 Bayed QC hold, 04/29/16 : 4200 Rail yard

'16 1SS 6M, black with jet black interior, split spoke gray machined faced wheels, and black front/rear bowtie emblems.
My87z28 is offline   Reply With Quote
Old 10-22-2016, 01:24 PM   #9
BradfordCamaro
SABIO
 
BradfordCamaro's Avatar
 
Drives: 2016 CAMARO 1SS
Join Date: Jul 2015
Location: Bradford, ON
Posts: 5,018
B.E.R ?
__________________



BradfordCamaro is offline   Reply With Quote
Old 10-22-2016, 03:11 PM   #10
TSloper

 
Drives: 2016 Camaro SS
Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
I met Brett (PRAY) today for the first time at a dyno day event. Great guy!
TSloper is offline   Reply With Quote
Old 10-22-2016, 07:22 PM   #11
PRAY


 
PRAY's Avatar
 
Drives: 2016 2SS
Join Date: Jul 2016
Location: Sanford NC
Posts: 2,766
Thank you JFM-jr for the kind words. I am glad you are happy with your intake. There is a ton of work that goes into them and the TB. This community is all about helping each other out. TSloper definitely helped me out today. It was great meeting you Tim and I really appreciate the help.

So next up will be the Roto-fab and then I am going to test Tim's E85 kit. Then the blower is going on. I just have to find an E85 station closer than 40 miles.
__________________
2016 2SS. H/C SBE 1.37 60ft, 6.36@109.49, 9.97@136+. Nuff Said.
PRAY is offline   Reply With Quote
Old 10-22-2016, 09:01 PM   #12
ULTRAZLS1


 
ULTRAZLS1's Avatar
 
Drives: 14 Silverado LTZ Z71, 16 Camaro SS
Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,395
Nice work

How much ? You porting these ?

How about cleaning up an msd ? May be even better...
__________________
Black 2016 1SS A8
NA bolt on stock gear stock converter. Pump E85
10.66@128.1 +750 DA
490RWHP/487RWTQ
ULTRAZLS1 is offline   Reply With Quote
Old 10-23-2016, 06:55 AM   #13
Blade


 
Blade's Avatar
 
Drives: 2016 Camaro 2SS BVM 2SS
Join Date: Dec 2009
Location: Charlotte
Posts: 4,685
Send a message via AIM to Blade
Nice to see power mods being worked in NC instead if Ohio and Florida for a change

PRAY.....do you have the post install dyno sheets available for review? I am def interested and since I am in clt, I can just drive up to Sanford, do the install and drive back within an afternoon.
__________________
Formerly owner of:

2012 2SS/RS Build Thread - Totaled by red light runner

2010 LT/RS Build Thread - Traded in for 2012 2SS

2007 Acura TSX

1992 Oldsmobile Achieva V6

1992 Mercury Sable
Blade is offline   Reply With Quote
Old 10-23-2016, 07:14 AM   #14
PRAY


 
PRAY's Avatar
 
Drives: 2016 2SS
Join Date: Jul 2016
Location: Sanford NC
Posts: 2,766
Everyone, I do all my own porting and port everything. Every GM LS/LT head, intake, TB, blower. I port all of the aftermarket heads, intakes, TB's and blowers as well. Everything is flow tested on my bench and then dynoed if at all possible.

For the LT intakes and TB's I maximize cross section and air quality. I won't say it stays completely laminar cause I haven't checked it. But air quality to the motor is much improved. I widen the runner to 6+" back to as close to the opening dimensions I can, I raise the roof and lower the floor as well. I smooth out all of the transition areas "bends" to ensure uniformity and contour. I heavily work the "short turn" of this intake. I widen and smooth it as well. I try to direct the air to where the head needs it. Inside the intake inlet, behind the TB I do a lot of contouring and shaping to ensure the greatest draw that can be placed on the TB is. Remember that N/A motors are a vacuum and you have to think backwards from the valve up. What is going to create the most draw on the TB is what you are looking for. On the TB it is more of the same, contouring and shaping. I also cut the blade shaft down to about 3-4mm to ensure it isn't an obstruction or creates turbulence. I hope this helps.

Blade, look up. The dyno graphs are in my original post, the explanation of the graphs is below it. Come on up any time brother. It would be great to meet you.
__________________
2016 2SS. H/C SBE 1.37 60ft, 6.36@109.49, 9.97@136+. Nuff Said.
PRAY is offline   Reply With Quote
 
Post Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 06:04 AM.


Powered by vBulletin® Version 3.8.9 Beta 4
Copyright ©2000 - 2020, vBulletin Solutions, Inc.