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 > Forced Induction Discussions


BeckyD @ James Martin Chevy


Post Reply
 
Thread Tools
Old 05-23-2020, 02:19 PM   #1
toohighpsi
 
Drives: 2015 C7 Z06 M7
Join Date: Dec 2012
Location: So-Cal
Posts: 524
Stock 18 SS with TVS2650 - 728 RWHP

My son finally had a chance to get to the Dyno with his Camaro SS A8. His car has a Maggie 2650 and port fuel system that he designed and we built.

Name:  dyno2.jpg
Views: 488
Size:  205.2 KB

Mods include a TVS2650, our port injection system, and our additional in-tank 525 l/hr fuel pump. We use a 90mm pulley pulley which gives a peak of 14psi with the stock throttle body and airbox. Straight E85 out of the pump is in the tank (gotta love $17 fill-ups of 100+ octane) which reads 74% alcohol on the flex fuel sensor.

Car is otherwise completely stock (LT1 injectors, LT1 pump, returnless fuel system, throttle body, airbox, stock exhaust with 4 cats and factory dual mode exhaust)

Name:  dyno1.jpg
Views: 479
Size:  125.4 KB

First pull right off the street was 705.9 SAE RWHP, added a bit more timing and next pull was 728.5 followed by a back-up pull of 728.8. This was a new dyno to us, all previous pulls on this car were on a dyno that used an STD correction which will generally run 4% higher so I expect it would be about 760RWHP if run at our previous dyno.

With at least 325 RWHP over stock, the car is a blast to drive, granted traction is a problem on the street, but the TC (with some tuning) does a pretty respectable job of harnessing the ponies in gears less than 5th.

I'm really proud of the work he did on his car and looking forward seeing him get back to the track. This car was running 128 MPH with only the TVS2650 and 91 octane, 140MPH might be in reach now on this daily driver.
toohighpsi is offline   Reply With Quote
Old 05-23-2020, 03:39 PM   #2
Root
 
Drives: Silverado, Camaro
Join Date: Jul 2016
Location: Here
Posts: 6
Amazing! Nice work! I look forward hearing more about the port fueling design as I just installed a Maggie 2650 on my SS and hated giving up the e85.
Root is offline   Reply With Quote
Old 05-23-2020, 05:32 PM   #3
1LEornothing
 
Drives: N/A
Join Date: Jan 2016
Location: N/A
Posts: 30
This is the goal and the dream! Thank you for sharing toohighpsi, I hope I will be able to figure out the port injection with the magnuson 2650 on the LT1 as you and your son have, congratulations to you both.
1LEornothing is offline   Reply With Quote
Old 05-23-2020, 07:45 PM   #4
SienarSystems
 
SienarSystems's Avatar
 
Drives: ZL1 1LE
Join Date: Oct 2018
Location: SF Bay Area
Posts: 271
Great results! I too am interested in seeing and hearing about your port injection system.
__________________
Magnuson 2650
SienarSystems is offline   Reply With Quote
Old 05-24-2020, 02:52 AM   #5
shinysun
 
Drives: 2016 Camaro SS
Join Date: Jul 2016
Location: Korea
Posts: 374
Wow, great. Any info for the port injection system? Are you going to sell the products.
shinysun is offline   Reply With Quote
Old 05-24-2020, 07:06 AM   #6
laynlo15
 
laynlo15's Avatar
 
Drives: 2016 1ss A8, Npp
Join Date: Nov 2015
Location: clark, mo
Posts: 5,807
Great job guys, those were really good numbers on 91 octane but wicked numbers on E85. I'm guessing he will have that injection for sale at some point. I'd say you'll be pushing 138 mph, I was looking back at some of my time slips and thinking about what my rwhp was when I was running that mph. Congrats on how well that port injection works, I knew you'd get it worked out and to make that power on the Lt1 pump and injectors is pretty cool.
__________________
2016 Camaro 6.2, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock trans/converter/diff. Kentshotrodgarage (M/T,Hoosier, Racestar Wheels), RPM RB, DSS, Gforce, Griptec Pulley Best 9.41@146 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35.
laynlo15 is offline   Reply With Quote
Old 05-25-2020, 10:34 AM   #7
z28pat
 
z28pat's Avatar
 
Drives: 2002 z28, 2018 2ss 1LE
Join Date: Sep 2012
Location: Parrish, Florida
Posts: 577
Those are great numbers , what kinda boost did it run when it was doing 128mph?
z28pat is offline   Reply With Quote
Old 05-25-2020, 01:18 PM   #8
laynlo15
 
laynlo15's Avatar
 
Drives: 2016 1ss A8, Npp
Join Date: Nov 2015
Location: clark, mo
Posts: 5,807
I think it was around 8-9 lbs it had like a 105 pulley and ran 10.80s or 90s. Can't remember which one it was.
__________________
2016 Camaro 6.2, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock trans/converter/diff. Kentshotrodgarage (M/T,Hoosier, Racestar Wheels), RPM RB, DSS, Gforce, Griptec Pulley Best 9.41@146 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35.
laynlo15 is offline   Reply With Quote
Old 05-25-2020, 03:25 PM   #9
Stefano
 
Stefano's Avatar
 
Drives: 6th Gen NicKey Camaro & others.
Join Date: Nov 2015
Location: Saint Charles, Illinois
Posts: 457
Congrats on the achievements!
Stefano is offline   Reply With Quote
Old 05-26-2020, 08:08 AM   #10
radz28
Petro-sexual
 
radz28's Avatar
 
Drives: Ultra-Grin
Join Date: Oct 2006
Location: Crapramento, Crapifornia
Posts: 13,442
Pics or it didn't happen
__________________

'20 ZL1 Black "Fury"
A10, PDR, Exposed CF Extractor
Magnuson Magnum DI TVS2650R / Diode Dynamics
radz28 is offline   Reply With Quote
Old 05-26-2020, 10:16 AM   #11
TJay74


 
Drives: 17 Camaro SS 1LE & 16 Sierra AT CC
Join Date: Nov 2016
Location: Norman, OK
Posts: 2,350
Any plans to address the pistons? At those power levels they are going to be on borrowed time for sure.
__________________
2017 Camaro SS 1LE - Procharger D1SC w/ Tial 2" BOV & Race intercooler / ARH full length catless headers / Alky meth injection system - 650rwhp on conservative tune
TJay74 is offline   Reply With Quote
Old 05-26-2020, 12:07 PM   #12
cmeJATT

 
cmeJATT's Avatar
 
Drives: 2017 1SS M6
Join Date: Jan 2017
Location: Bay Shore, NY
Posts: 1,257
Great info! Congrats guys
cmeJATT is offline   Reply With Quote
Old 05-26-2020, 04:42 PM   #13
toohighpsi
 
Drives: 2015 C7 Z06 M7
Join Date: Dec 2012
Location: So-Cal
Posts: 524
Quote:
Originally Posted by radz28 View Post
Pics or it didn't happen
Soon
toohighpsi is offline   Reply With Quote
Old 05-26-2020, 04:53 PM   #14
toohighpsi
 
Drives: 2015 C7 Z06 M7
Join Date: Dec 2012
Location: So-Cal
Posts: 524
Quote:
Originally Posted by TJay74 View Post
Any plans to address the pistons? At those power levels they are going to be on borrowed time for sure.
Its a fairly conservative tune, IATs with the 2650 are almost always under 100F and with port we're not running at best power A/F as we also have catalysts to protect - we're at .75 lambda at 6500 rpm.

There is a point where pistons can become a problem, but it's north of 750 RWHP with a properly tuned system. Most LT1s break pistons about 650 RWHP because of fuel quantity/quality issues and occasionally tuners that don't fully understand the operating principals of the DI fuel systems.
toohighpsi 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 12:35 PM.


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