VF620 Dyno Run w/ RPi X Pipe

joe@trinityautosport · 10-12-2012, 08:03 PM

Hi Guys,

I just got done dyno'ing my car @ EAS. My baseline dyno was 532whp 353tq with OEM mufflers and running 91 octane (STD). I recently installed the RPi x pipe and wanted to re dyno to see how much power I made. I pulled an amazing 580whp and 379tq (STD)...that's +48whp and +26tq just from an X Pipe. Since we were so close to 600whp I asked Tom if we can throw in 5 gallons of 109 octane just to see what we can get. I put down 601whp and 391tq!!!! We were all amazed! BIG THANKS to Tom & Steve at EAS, Race Precision, and VF Engineering!

STD Smoothing 5 w/ Air Fuel

SAE Smoothing 5 w/ Air Fuel

SAE Smoothing 5 w/ BOOST

UNCORRECTED Smoothing 5

Conditions

DLSJ5 · 10-12-2012, 09:46 PM

Great #'s Joe, I didn't think race gas would add that much, it never has for me, might have to try it again next dyno. Awesome results, and THANK YOU for posting the boost graphs! The Airstrip event is going to have a nice amount of Boosted E9x M3's.

Longboarder · 10-12-2012, 09:55 PM

Damn I should have stayed to see you get 600. Congrats Joe!

whats77inaname · 10-12-2012, 10:28 PM

Joe, just so I'm clear on this....your internals are stock, you just have an x-pipe and no other mods? And you pulled that down with a little less than 8 lbs of boost?

CarbonFoot · 10-12-2012, 10:55 PM

Awesome numbers, but I have couple of questions. How was boost measured and how come there is a variance in boost between runs? I guess the answer to the first may answer the second. I though the VF kit produced 6 - 6.5 psi at sea level and since the boost is mechanically tied to engine speed, I don't see where the delta comes from.

Thanks...

CarbonFoot · 10-12-2012, 10:58 PM

Ah...just noticed the conditions.

img · 10-12-2012, 11:28 PM

Very nice !

kchu221 · 10-12-2012, 11:46 PM

that crazy gains from just an x pipe! does the x pipe delete the cats and resonators??

rjd598 · 10-13-2012, 08:38 PM

Quote:

Originally Posted by kchu221

that crazy gains from just an x pipe! does the x pipe delete the cats and resonators??

Cats are deleted and resonators I think as well but not 100% positive

tom @ eas · 10-13-2012, 08:45 PM

Quote:

Originally Posted by kchu221

that crazy gains from just an x pipe! does the x pipe delete the cats and resonators??

Race Pipe = no cats or resonators. Exhaust is LOUD at over 120dB, everyone was covering their ears in the shop at WOT.

Joe: Congrats on getting into the 600 club!

BarryDaviso · 10-14-2012, 09:34 PM

How was boost measured and how come there is a variance in boost between runs

tom @ eas · 10-14-2012, 09:47 PM

Quote:

Originally Posted by BarryDaviso

How was boost measured and how come there is a variance in boost between runs

Carbonfoot stated earlier in the thread: conditions.

Runs 11 & 17 alone on the conditions will show a 30F difference in outside temp, as the runs were on different days in our facility.

flipm3 · 10-15-2012, 05:06 AM

Amazing what difference freeing up the exhaust does on these boosted S65B40s!

Congrats on the huge gains!

nerwyll@trinityautosport · 10-15-2012, 11:58 AM

its just the rasp with the x-pipe, needs mufflers now =)

McKenna Performance · 10-15-2012, 12:44 PM

Great gains. With a high flow muffler setup ( akra slip-on), I can't imagine what it'll put down!

pbonsalb · 10-15-2012, 01:47 PM

How much power does a rear exhaust add on a supercharged car? It adds nothing or very little on a naturally aspirated car. A good x-pipe adds up to about 25 rwhp on a naturally aspirated car, so I see those gains being leveraged by boost on a supercharged car.

m33 · 10-15-2012, 02:48 PM

60-130's ??? Back these numbers up

nerwyll@trinityautosport · 10-15-2012, 04:16 PM

Quote:

Originally Posted by pbonsalb

How much power does a rear exhaust add on a supercharged car? It adds nothing or very little on a naturally aspirated car. A good x-pipe adds up to about 25 rwhp on a naturally aspirated car, so I see those gains being leveraged by boost on a supercharged car.

correct, we were expecting around +30whp for sure with the x-pipe initially. next we want the rest of the RPI setup mainly to improve the sound, but the real gains of an exhaust are from the x-pipe/cat delete.

joe@trinityautosport · 10-16-2012, 01:15 PM

Quote:

Originally Posted by DLSJ5

Great #'s Joe, I didn't think race gas would add that much, it never has for me, might have to try it again next dyno. Awesome results, and THANK YOU for posting the boost graphs! The Airstrip event is going to have a nice amount of Boosted E9x M3's.

No worries...hope to see you there

Quote:

Originally Posted by Longboarder

Damn I should have stayed to see you get 600. Congrats Joe!

Thanks bro! Good meeting you too.

Quote:

Originally Posted by whats77inaname

Joe, just so I'm clear on this....your internals are stock, you just have an x-pipe and no other mods? And you pulled that down with a little less than 8 lbs of boost?

Yes sir! Stock internals and JUST a RPi X pipe and non other mods.

Quote:

Originally Posted by CarbonFoot

Awesome numbers, but I have couple of questions. How was boost measured and how come there is a variance in boost between runs? I guess the answer to the first may answer the second. I though the VF kit produced 6 - 6.5 psi at sea level and since the boost is mechanically tied to engine speed, I don't see where the delta comes from.

Thanks...

The variance is there because of the weather

Quote:

Originally Posted by kchu221

that crazy gains from just an x pipe! does the x pipe delete the cats and resonators??

I know! I was surprised myself! The RPI x pipe deletes the cats and resonators

Quote:

Originally Posted by tom @ eas

Race Pipe = no cats or resonators. Exhaust is LOUD at over 120dB, everyone was covering their ears in the shop at WOT.

Joe: Congrats on getting into the 600 club!

Seriously it was loud in there...lol..thanks Tom!

Quote:

Originally Posted by BarryDaviso

How was boost measured and how come there is a variance in boost between runs

Weather conditions.

Quote:

Originally Posted by flipm3

Amazing what difference freeing up the exhaust does on these boosted S65B40s!

Congrats on the huge gains!

Thanks!

Quote:

Originally Posted by pbonsalb

How much power does a rear exhaust add on a supercharged car? It adds nothing or very little on a naturally aspirated car. A good x-pipe adds up to about 25 rwhp on a naturally aspirated car, so I see those gains being leveraged by boost on a supercharged car.

I don't think just adding mufflers will gain anything.

Quote:

Originally Posted by m33

60-130's ??? Back these numbers up

I would...Can someone let me borrow their vbox?

THE-FN-MAN · 10-16-2012, 09:22 PM

Holy moly man! I leave for a few days and come back to you pushing 600 to the tires!?! Congrats dude! Told ya race gas would make a big difference

mad props again man, can't wait to meet up!

Omar@VelosDesignwerks · 10-17-2012, 10:44 AM

Great #'s , congrats and enjoy in good health!

joe@trinityautosport · 10-17-2012, 01:47 PM

Quote:

Originally Posted by THE-FN-MAN

Holy moly man! I leave for a few days and come back to you pushing 600 to the tires!?! Congrats dude! Told ya race gas would make a big difference

mad props again man, can't wait to meet up!

LOL...Thanks!

Quote:

Originally Posted by Omar@VelosDesignwerks

Great #'s , congrats and enjoy in good health!

Thank you!

10-12-2012, 08:03 PM	#1
joe@trinityautosport BimmerPost Supporting Vendor Drives: E92 M3 Join Date: Apr 2012 Location: Tustin CA Posts: 398 iTrader: (7)	VF620 Dyno Run w/ RPi X Pipe Hi Guys, I just got done dyno'ing my car @ EAS. My baseline dyno was 532whp 353tq with OEM mufflers and running 91 octane (STD). I recently installed the RPi x pipe and wanted to re dyno to see how much power I made. I pulled an amazing 580whp and 379tq (STD)...that's +48whp and +26tq just from an X Pipe. Since we were so close to 600whp I asked Tom if we can throw in 5 gallons of 109 octane just to see what we can get. I put down 601whp and 391tq!!!! We were all amazed! BIG THANKS to Tom & Steve at EAS, Race Precision, and VF Engineering! STD Smoothing 5 w/ Air Fuel SAE Smoothing 5 w/ Air Fuel SAE Smoothing 5 w/ BOOST UNCORRECTED Smoothing 5 Conditions Last edited by joe@trinityautosport; 10-12-2012 at 08:09 PM.
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10-12-2012, 09:46 PM	#2
DLSJ5 Colonel Drives: 08 E92 DCT M3 Join Date: Dec 2006 Location: CA Posts: 2,792 iTrader: (0)	Great #'s Joe, I didn't think race gas would add that much, it never has for me, might have to try it again next dyno. Awesome results, and THANK YOU for posting the boost graphs! The Airstrip event is going to have a nice amount of Boosted E9x M3's. __________________ 08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ @ 7.2psi - 94 octane / Water meth ESS VT3-725 60-130MPH 6.64s - 620Whp/420Wtq@ 11psi ESS VT3-750 - 685Whp/466Wtq@13.5 psi SAE - 703WHP /478WTQ@13.5 psi STD

10-12-2012, 09:55 PM	#3
Longboarder Lieutenant Colonel Drives: 2013 e92 M3 Join Date: Dec 2006 Location: Kailua/Monarch Beach Posts: 1,984 iTrader: (1) Garage List 2013 e92 M3 [5.00] 2010 335i [2.17] 1998 M Roadster [0.00]	Damn I should have stayed to see you get 600. Congrats Joe! __________________ Track/Airstrip: 2013 e92 M3 MW FR DCT ZCP / ESS VT2 625, MRF mid/Akra slip, StopTech BBK (573 RWHP STD @ 8,600 RPM) Beater: 2013 WRX STi Sedan / Cobb Stg 2 / WRX wing lol

10-12-2012, 11:28 PM	#7
img VT3 Drives: E36 M3 Track car,Ess E90 M3 DD Join Date: Feb 2008 Location: The Couch Posts: 5,871 iTrader: (5)	Very nice ! __________________ NO FEAR.NO LIMITS.NO EQUAL Ess VT3 LC built motor,Volk TE37SL,Challenge modefied Xpipe,Akra axle back CF tips. LOW BOOST 60-130 6.7 sec

10-12-2012, 11:46 PM	#8
kchu221 JDM whore Drives: 2012 E92 6MT Space Grey Join Date: Jan 2012 Location: los angeles Posts: 2,276 iTrader: (5)	that crazy gains from just an x pipe! does the x pipe delete the cats and resonators?? __________________ \|AUTOTALENT\|JRZ RS DAMPER\|GC CAMBER PLATE\|SWIFT SPRINGS\|OG WHITE TE37\|MICHELLIN PSS\|TURNER STUDS\|PROJECT KICS R40\|RE SSK\|VARIS CF KNOB\|VARIS VRS FRONT LIP WITH EXTENSION\|ARQRAY RACE EXHAUST\|BAVX LS3\|VOLTEX TYPE 1 GT WING\|MASTERMIND STREET X-PIPE\|

10-12-2012, 10:28 PM	#4
whats77inaname Bang Drives: when at all possible Join Date: Aug 2011 Location: Tx Posts: 594 iTrader: (7)	Joe, just so I'm clear on this....your internals are stock, you just have an x-pipe and no other mods? And you pulled that down with a little less than 8 lbs of boost?

10-12-2012, 10:55 PM	#5
CarbonFoot First Lieutenant Drives: 2009 E90 M3 DCT Join Date: Dec 2011 Location: CA - Bay Area Posts: 329 iTrader: (0)	Awesome numbers, but I have couple of questions. How was boost measured and how come there is a variance in boost between runs? I guess the answer to the first may answer the second. I though the VF kit produced 6 - 6.5 psi at sea level and since the boost is mechanically tied to engine speed, I don't see where the delta comes from. Thanks...

10-12-2012, 10:58 PM	#6
CarbonFoot First Lieutenant Drives: 2009 E90 M3 DCT Join Date: Dec 2011 Location: CA - Bay Area Posts: 329 iTrader: (0)	Ah...just noticed the conditions.

10-14-2012, 09:34 PM	#11
BarryDaviso New Member Drives: bmw Join Date: Sep 2012 Location: gogo Posts: 12 iTrader: (0)	How was boost measured and how come there is a variance in boost between runs __________________

10-15-2012, 05:06 AM	#13
flipm3 E46 + E90 Drives: E46 M3 + E90 M3 Join Date: Jul 2008 Location: Illinois Posts: 2,486 iTrader: (1) Garage List 2009 BMW M3 [0.00] 2002 BMW M3 [0.00]	Amazing what difference freeing up the exhaust does on these boosted S65B40s! Congrats on the huge gains! __________________ 2002 E46 M3 6MT \| Jet Black . Black Nappa \| My Build Thread 2009 E90 M3 DCT \| Melbourne Red . Speed Cloth

10-15-2012, 11:58 AM	#14
nerwyll@trinityautosport BimmerPost Supporting Vendor Drives: Jet Black e92 M3 Join Date: Apr 2012 Location: Orange County, CA Posts: 2,245 iTrader: (0)	its just the rasp with the x-pipe, needs mufflers now =)

10-15-2012, 12:44 PM	#15
McKenna Performance BimmerPost Supporting Vendor Drives: M3 Join Date: Apr 2012 Location: Norwalk, Ca Posts: 376 iTrader: (7)	Great gains. With a high flow muffler setup ( akra slip-on), I can't imagine what it'll put down!

10-15-2012, 01:47 PM	#16
pbonsalb Major Drives: 08 E90 M3, 99 E36 M3 Turbo Join Date: Feb 2011 Location: Concord, NH Posts: 1,177 iTrader: (3)	How much power does a rear exhaust add on a supercharged car? It adds nothing or very little on a naturally aspirated car. A good x-pipe adds up to about 25 rwhp on a naturally aspirated car, so I see those gains being leveraged by boost on a supercharged car.

10-15-2012, 02:48 PM	#17
m33 Banned Drives: E92 VT650 MCB Individual Join Date: Dec 2008 Location: CT Posts: 2,677 iTrader: (5)	60-130's ??? Back these numbers up

10-16-2012, 09:22 PM	#20
THE-FN-MAN Lieutenant Drives: E92 M3 x2 Join Date: Feb 2012 Location: the wood Posts: 498 iTrader: (0)	Holy moly man! I leave for a few days and come back to you pushing 600 to the tires!?! Congrats dude! Told ya race gas would make a big difference mad props again man, can't wait to meet up!

10-17-2012, 10:44 AM	#21
Omar@VelosDesignwerks BimmerPost Supporting Vendor Drives: M3 Join Date: Feb 2012 Location: Miami Posts: 672 iTrader: (1)	Great #'s , congrats and enjoy in good health! __________________ Omar Murray omar@velosdesignwerks.com www.velosdesignwerks.com Velos Wheels \| Velos Tuning KW \| Stoptech \| ESS Supercharger Kits

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