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Old 07-02-2019, 12:13 PM   #57
Joshinator99

 
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Quote:
Originally Posted by Rlhay2 View Post
Doubtful, the 2300 was already operating outside its efficiency range. Going further down the path provides less gains and even more heat.
At 620 WHP, the 2300 is hardly being taxed...
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Old 07-02-2019, 12:15 PM   #58
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Actually I ran 16 lbs of boost on my 2300 on stock motor last year. I'm running 15 lbs currently on a forged motor. These 2300s can rpm up to about 21000 to 22,000 rpms and I think I was at about 20,000 last year. We've had some customers turning them over that 21,000 but it starts creating more heat and higher intake temps. The 2650 will be much more efficient then the 2300. You are correct at 620 no big deal, I made over 800 rwhp on it this year, however we lowered the compression by a point and I went to long tube headers with cats is one reason for dropping the boost level with 70mm pulley as I ran last year at about 700 rwhp.
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2016 C7 A8 E85, Speed Engineering LTs, Nitto 555R2s 11.009@125 1.56 60ft, 7.07@99 mph 1.56 60ft
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Old 07-02-2019, 12:23 PM   #59
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Quote:
Originally Posted by IneedAZ View Post
Seems more tuning is needed with the TQ values so low. Doesn't seem balanced on that test.
Only peak boost is noted on the power plot.

The Magnum DI features a Patent Pending Stage 2 housing, the boost pressure is lower on the TVS2650 everywhere below 4500, fairly equal until 5500 then is slightly greater at the top end. (See plot below)

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As far as calibration - the 2300 and 2650 are both tuned to the most power (knock limit) that could be made on 91 octane pump with a completely stock fuel system, exhaust (including cats), and engine. The 2650 starts to bump the limit of the stock fuel system at 6200 RPM and drops just below 2000psi@7K.

IATs on this unit are fantastic, they are the highest at the start of the pull (normal because of the lack of airflow through the SC at idle) and drop throughout the duration of the pull ending at 102F (pull starts with temp at 112F and ambient temp is 77F. Again this is a completely stock Z06 cooling system.

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The impressive part is how much more power it makes with the same amount of fuel, we know from testing that it is without doubt the most efficient automotive SC ever manufactured, but I honestly never thought I'd be able to reach nearly the same power level (-15HP) on 91 pump gas alone that I was running with the 2300 on 91 + water/meth with the TVS2300.

So where does the extra power come from? Improved supercharger and intercooler efficiency along with developed port to port airflow and temperature distribution. This allows the engine to make maximum power using all 8 cylinders and ability to run more ignition timing without having a single cylinder cause the limitation.

With the TVS 2300 I am running a peak of 19.5 degrees timing at 13 psi boost (knock limit).
With the TVS 2650 I am running a peak of 23 degrees timing at 16 psi boost (fuel system limit - if I had more fuel I'd raise boost further)

So where does it go from here? Since I was already on the dyno and my 50/50 water-meth system is still installed, I turned the meth back on, dropped pulley the size by 5mm, and made a pull - I was kindly rewarded with 818 RWHP again at the fuel limit. Since I'm sorely limited by the stock fuel system, my next mods will be a low pressure pump and possibly a mild camshaft with the big fuel pump lobe. But for this week I'm focused on helping my son install a Magnum DI on his 2018 Camaro SS (LT1), really looking forward to see how the units works on that engine.
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Old 07-02-2019, 01:41 PM   #60
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Mike thanks for posting more info about the 2650 compared to the 2300.
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2016 Camaro, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock drivetrain. Kentshotrodgarage (M/T, Racestars) 9.40@147 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35. X Magnuson Employee

2016 C7 A8 E85, Speed Engineering LTs, Nitto 555R2s 11.009@125 1.56 60ft, 7.07@99 mph 1.56 60ft
Soon to be in the 10s w/Phil@pdhtuning, kentshotrodgarge Racestar Wheels
12.06@116 bone stock on 93 octane with Nitto 555R2s
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Old 07-03-2019, 06:18 AM   #61
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Finished for now. Sorry no dyno numbers yet but will get them as soon as I canName:  7F3AEC2F-2588-4700-A93A-C20E8472CD2D.jpg
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Old 07-03-2019, 06:31 AM   #62
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Looks awesome, I know you are picking it up today and are looking forward to that new power you just added. Enjoy and see you next week.
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2016 Camaro, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock drivetrain. Kentshotrodgarage (M/T, Racestars) 9.40@147 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35. X Magnuson Employee

2016 C7 A8 E85, Speed Engineering LTs, Nitto 555R2s 11.009@125 1.56 60ft, 7.07@99 mph 1.56 60ft
Soon to be in the 10s w/Phil@pdhtuning, kentshotrodgarge Racestar Wheels
12.06@116 bone stock on 93 octane with Nitto 555R2s
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Old 07-03-2019, 07:04 AM   #63
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Quote:
Originally Posted by Langhans2016 View Post
Finished for now. Sorry no dyno numbers yet but will get them as soon as I canAttachment 994045
Is the HP number is your avatar with the current combo?
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Old 07-03-2019, 08:48 AM   #64
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Old 07-03-2019, 09:44 AM   #65
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Its nice that the Big Gulp works with the 2650. Nobody was for sure since no 2650 Zl1's had been installed yet. Looks good. Hope my SS fits as Billy's does, we will find out Saturday when we do the install.
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2016 Camaro, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock drivetrain. Kentshotrodgarage (M/T, Racestars) 9.40@147 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35. X Magnuson Employee

2016 C7 A8 E85, Speed Engineering LTs, Nitto 555R2s 11.009@125 1.56 60ft, 7.07@99 mph 1.56 60ft
Soon to be in the 10s w/Phil@pdhtuning, kentshotrodgarge Racestar Wheels
12.06@116 bone stock on 93 octane with Nitto 555R2s
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Old 07-03-2019, 01:25 PM   #66
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Quote:
Originally Posted by laynlo15 View Post
Its nice that the Big Gulp works with the 2650. Nobody was for sure since no 2650 Zl1's had been installed yet. Looks good. Hope my SS fits as Billy's does, we will find out Saturday when we do the install.
That's weird I have had mine on for 3 or 4 mos.

the problem is the 112mm silicone adapter to the 5 inch gulp.. i had a few made if your looking!

BTW blower porting pickup a ton!
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Old 07-03-2019, 01:49 PM   #67
Langhans2016
 
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Quote:
Originally Posted by IneedAZ View Post
Is the HP number is your avatar with the current combo?
Nope that was with stock blower
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Old 07-04-2019, 06:09 AM   #68
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You have an Ebrock, no one had run our 2650 with the Big Gulp. We were pretty sure they'd line up but hadn't mocked one up to really find out.
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2016 Camaro, Magnuson 2650 Heartbreaker, RotoFab, Lt4 short block (stock) BTR Cam kit, stock heads, stock drivetrain. Kentshotrodgarage (M/T, Racestars) 9.40@147 Best MPH 149 1/4 5.99@119 Best MPH 120 Best 60' 1.35. X Magnuson Employee

2016 C7 A8 E85, Speed Engineering LTs, Nitto 555R2s 11.009@125 1.56 60ft, 7.07@99 mph 1.56 60ft
Soon to be in the 10s w/Phil@pdhtuning, kentshotrodgarge Racestar Wheels
12.06@116 bone stock on 93 octane with Nitto 555R2s
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Old 11-16-2019, 10:05 AM   #69
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Any updates on this car OP? IIRC I saw on Facebook there were issues with bigger DI injectors.
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Old 11-17-2019, 02:03 AM   #70
Langhans2016
 
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2650

Quote:
Originally Posted by newchevyman View Post
Any updates on this car OP? IIRC I saw on Facebook there were issues with bigger DI injectors.
Had to remove the injectors and sent them back. Just running it on race gas for now until I figure out what I want to do with the fueling. Hoping someone will eventually make a port injection kit for it.
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