*Official* L99 Dyno Thread - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

9c1ny · 08-10-2009, 01:53 PM

Can someone make this a sticky?

Seems like with all the L99 talk theres alot of variation on what they put down, I have seen from 295-330rwhp

So post up your results and some basic info on your car (mileage, break in procedure ect ect )

my results are posted, stock vs tuned

*DGthe3* · 08-12-2009, 01:52 PM

Thread stickied

GMRULZ · 08-12-2009, 07:01 PM

Stock , 600 miles, pulled 319rwhp back to back twice, then removed ECM fuses for 5 minutes to reset LTFT`s (Long Term Fuel Trims), immediatley ran it again and picked up close to 8 rwhp. This is that last pull.

9c1ny · 08-12-2009, 11:03 PM

Quote:

Originally Posted by SGOS252382

Weren't these runs done with muffler delete? (SLP loudmouth 1)That's not stock.
The L99 runs pretty restrictive mufflers. See post # 103 vs. # 104 in this thread.
http://www.camaro5.com/forums/showth...ffler+pictures
The L99 mufflers are different from the straight through design of the LS3's. So a muffler delete on an L99 should be good for some HP.

everything thing I have read concludes the real restriction is way before the mufflers and that an axle back adds nothing but sound

toehead93 · 08-13-2009, 07:10 PM

Here is my stock vs. tune dyno. As you can see in the south Florida heat and humidity my car pulled about 332rwhp/345FT# stock.

With the tune it looks to be about 345rwhp/357FT#. Considering the weather I'm happy, I'd like to get it back on the dyno once it cools down. I have just over 5,200 miles on the car. I was at the drag strip with 300 miles...what break in?

Jchaluja · 08-13-2009, 07:30 PM

Here's mine stock and with a tune (ECM). 500 miles driven semi-hard.

PQ · 08-14-2009, 11:30 AM

Pyottboy · 08-14-2009, 04:13 PM

First one is stock, and the second is stock with only tune. about 85 degrees in north jersey. gained around 27 hp and 45 tq

SGOS252382 · 08-14-2009, 04:28 PM

94 - 99 degrees and very high humidity (also drove 130 miles to get there).
Stock and tuned (no mods).

jhmurphy · 08-16-2009, 07:26 AM

Car has 3000 miles first 1500 took it kind of easy. Changed the oil and since then I have been driving it like i stole it!

*mlee* · 08-16-2009, 07:38 AM

Quote:

Originally Posted by SGOS252382

94 - 99 degrees and very high humidity (also drove 130 miles to get there).
Stock and tuned (no mods)....

Your Dyno is run is SAE so temp and humidity is already taken into account. Randy's sheet is STD so not really good for comparison among all the SAE runs. Mine is also STD posted in another thread so I'll wait and get SAE to post in here...

Now your 130 miles and hot motor would lower the numbers a tad

PQ · 08-16-2009, 01:29 PM

Quote:

Originally Posted by mlee

Your Dyno is run is SAE so temp and humidity is already taken into account. Randy's sheet is STD so not really good for comparison among all the SAE runs. Mine is also STD posted in another thread so I'll wait and get SAE to post in here...

Now your 130 miles and hot motor would lower the numbers a tad

STD, SAE

Are my numbers actually lower or what?

rpepka · 08-17-2009, 06:43 AM

Quote:

Originally Posted by jhmurphy

Car has 3000 miles first 1500 took it kind of easy. Changed the oil and since then I have been driving it like i stole it!

That one is UGLY!

jhmurphy · 08-17-2009, 09:14 AM

Yes it is sad but true.

I also posted my 0-60 times around 6.8 seconds. I just came from the dealer and they where unable to do anything but open a case. The tech told me there was only one other case like mine and it was closed and marked as normal. He also told me that there where no PIs I think is what he called them. Which means they are not activally working on the issue that he could tell. Long story short While some are saying sit and wait GM will make good. I think everyone that has an underperforming L99 needs to get in and have a case open to put a fire under GM to resolve the issue.

toehead93 · 08-17-2009, 04:28 PM

Quote:

Originally Posted by irpq11

STD, SAE

Are my numbers actually lower or what?

No, SAE corrected will increase the numbers unless you're below sea level and somewhere really cold and dry.

PQ · 08-18-2009, 03:37 PM

Quote:

Originally Posted by toehead93

No, SAE corrected will increase the numbers unless you're below sea level and somewhere really cold and dry.

Oh, SNAP. You mean if it were run with SAE it would have been HIGHER than the 317 recorded?

I'm confused. I should be running faster.

Delete if needed.

O2BQIK · 08-18-2009, 09:26 PM

Quote:

Originally Posted by irpq11

Oh, SNAP. You mean if it were run with SAE it would have been HIGHER than the 317 recorded?

Probably. SAE-corrected does take into account temperature and humidity to theoretically provide a standardized number. Given you dyno'd in the south and in the summer, it's likely that if it were SAE-corrected it would be a higher number.

acatlover13 · 08-19-2009, 06:20 AM

Two questions...does anyone know somewhere in NW FL I can go to dyno my car, and what tuners are you guys using? Someone mentioned a Diablo Sport, but what else? Thanks guys!!

SGOS252382 · 08-22-2009, 04:13 PM

Quote:

Originally Posted by acatlover13

Two questions...does anyone know somewhere in NW FL I can go to dyno my car, and what tuners are you guys using? Someone mentioned a Diablo Sport, but what else? Thanks guys!!

If you can drive to Tampa, Jeremy Formato is a great tuner. He is very respected in the LSX community.
www.fasterproms.net

He also visits different tuning shops in other area of Florida.

Sponge60 · 08-28-2009, 08:42 PM

How does GM get away with advertising the HP at 400 for the L99 and 426 for the LS3 when no one has dyno'd that? Did I miss something in the fine print?

BB_Yellow2010 · 08-28-2009, 09:55 PM

Quote:

Originally Posted by Sponge60

How does GM get away with advertising the HP at 400 for the L99 and 426 for the LS3 when no one has dyno'd that? Did I miss something in the fine print?

These Dyno's calculate RWHP (rear wheel Horse power) Chevy calculates Horse Power at the crank.

rodimus prime · 08-28-2009, 10:06 PM

Might as well post mine here.

First run is stock at about 700 miles.

Second run is with rotofab cai and a tune done about two weeks later.

*DGthe3* · 08-30-2009, 07:12 PM

Quote:

Originally Posted by Sponge60

How does GM get away with advertising the HP at 400 for the L99 and 426 for the LS3 when no one has dyno'd that? Did I miss something in the fine print?

Because despite what Top Gear tried to promote in their dyno test of a GT500, the number that is advertised is not the same as what you will be testing when you strap it down for a dyno run. GM and every single other automaker out there rates their engines with an engine dyno. This is a test rig that measures the output of the engine. A chassis dyno, which is what you most often see, measures the power at the wheels. This is the power at the crank minus any losses from the drivetrain.

Sponge60 · 08-31-2009, 09:28 AM

Thanks guys. I better understand the process now. Great explanations!

thebrainhart · 09-03-2009, 10:20 PM

Just dyno'd mine tonight, complete stock to the filter, 1050 miles, easy first 450, then having fun. Pulled fuses at about 600 miles.

About 85 degrees, first run 321hp, 336tq. Second run (about 1 minute idling rest) 313hp, 319tq

08-10-2009, 01:53 PM	#1
9c1ny Drives: C6 Zed-oh-six Join Date: May 2009 Location: Buffalo NY Posts: 674	Official L99 Dyno Thread Can someone make this a sticky? Seems like with all the L99 talk theres alot of variation on what they put down, I have seen from 295-330rwhp So post up your results and some basic info on your car (mileage, break in procedure ect ect ) my results are posted, stock vs tuned Attached Images __________________

08-12-2009, 01:52 PM	#2
DGthe3 Moderator.ca Drives: 05 Grand Am GT Join Date: Jul 2007 Location: Niagara, Canada Posts: 20,721	Thread stickied __________________ Note, if I've gotten any facts wrong in the above, just ignore any points I made with them __________________ Quote: In 2014 the camaro will have ... a twin turbo v6 ... around 350 to 360HP No. Let me repeat that. No. FbodFather __________________ Camaro5 Fest III Information Camaro5 Fest III pre-registration

08-12-2009, 07:01 PM	#3
GMRULZ Drives: 2010 SS & 2008 C6 Join Date: Mar 2008 Location: VA Posts: 1,820	Stock , 600 miles, pulled 319rwhp back to back twice, then removed ECM fuses for 5 minutes to reset LTFT`s (Long Term Fuel Trims), immediatley ran it again and picked up close to 8 rwhp. This is that last pull. __________________ 2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter. Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s! Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..

08-13-2009, 07:10 PM	#5
toehead93 Drives: 2010 SS, 1993 Z28 Join Date: Feb 2007 Location: wpb fl Posts: 2,028 View My Garage	Here is my stock vs. tune dyno. As you can see in the south Florida heat and humidity my car pulled about 332rwhp/345FT# stock. With the tune it looks to be about 345rwhp/357FT#. Considering the weather I'm happy, I'd like to get it back on the dyno once it cools down. I have just over 5,200 miles on the car. I was at the drag strip with 300 miles...what break in? __________________ 2SS A6 Black 360 RWHP/382 FTLBS - tune only Mods on: Dynatech LTs, Vararam Intake, Pedders Xa's, DiabloSport tuned

08-13-2009, 07:30 PM	#6
Jchaluja Drives: Twin Turbo Camaro Join Date: Feb 2009 Location: Jacksonville, FL Posts: 1,148	Here's mine stock and with a tune (ECM). 500 miles driven semi-hard. Attached Images

08-14-2009, 11:30 AM	#7
PQ Drives a Maro Drives: Hybrid SS Camaro Join Date: Apr 2008 Location: Mobile, AL Posts: 35,545 View My Garage	__________________ PEDDERS NO BULL/BeckyD@RodgersChevrolet.................................................. .....

08-14-2009, 04:13 PM	#8
Pyottboy Drives: Black 2SS/RS Join Date: May 2009 Location: New Jersey Posts: 23	First one is stock, and the second is stock with only tune. about 85 degrees in north jersey. gained around 27 hp and 45 tq __________________ Black 2SS/RS 6A Vararam/Ported TB/ARH LTs/Loudmouth 2/Dyno tuned BMR sways/full bushings/trailing arms and toe rods/dropped an inch Interior/exterior accents that make the car bangin

08-14-2009, 04:28 PM	#9
SGOS252382 Drives: 2010 Camaro 2SS/RS Join Date: Mar 2008 Location: S.W. Florida Posts: 5,957	94 - 99 degrees and very high humidity (also drove 130 miles to get there). Stock and tuned (no mods). __________________

08-16-2009, 07:26 AM	#10
jhmurphy Tampa Gulf Coast Family Drives: Grey Beast Join Date: Jul 2009 Location: Florida Posts: 590	Another Slow L99 Car has 3000 miles first 1500 took it kind of easy. Changed the oil and since then I have been driving it like i stole it! Attached Images

08-17-2009, 09:14 AM	#14
jhmurphy Tampa Gulf Coast Family Drives: Grey Beast Join Date: Jul 2009 Location: Florida Posts: 590	Yes it is sad but true. I also posted my 0-60 times around 6.8 seconds. I just came from the dealer and they where unable to do anything but open a case. The tech told me there was only one other case like mine and it was closed and marked as normal. He also told me that there where no PIs I think is what he called them. Which means they are not activally working on the issue that he could tell. Long story short While some are saying sit and wait GM will make good. I think everyone that has an underperforming L99 needs to get in and have a case open to put a fire under GM to resolve the issue.

08-19-2009, 06:20 AM	#18
acatlover13 Emerald Coast Camaros Drives: 2010 2SS/RS Camaro IOM/IO Join Date: Aug 2009 Location: Lynn Haven, Florida Posts: 2,292 View My Garage	Two questions...does anyone know somewhere in NW FL I can go to dyno my car, and what tuners are you guys using? Someone mentioned a Diablo Sport, but what else? Thanks guys!!

08-28-2009, 08:42 PM	#20
Sponge60 OBX Drives: 2010 2SS / RS, Black on Black, L99 Join Date: Jun 2009 Location: Outer Banks, NC Posts: 82 View My Garage	Advertised 400 HP How does GM get away with advertising the HP at 400 for the L99 and 426 for the LS3 when no one has dyno'd that? Did I miss something in the fine print? __________________ Glenn Rainey Outer Banks, North Carolina

08-28-2009, 10:06 PM	#22
rodimus prime Account Suspended Drives: Cargo van. Join Date: Jul 2009 Location: Metal Metal Land Posts: 1,248	Might as well post mine here. First run is stock at about 700 miles. Second run is with rotofab cai and a tune done about two weeks later.

08-31-2009, 09:28 AM	#24
Sponge60 OBX Drives: 2010 2SS / RS, Black on Black, L99 Join Date: Jun 2009 Location: Outer Banks, NC Posts: 82 View My Garage	Thanks guys. I better understand the process now. Great explanations! __________________ Glenn Rainey Outer Banks, North Carolina

09-03-2009, 10:20 PM	#25
thebrainhart Drives: '10 Camaro 2SS/RS CGM LS3 A6 Join Date: May 2009 Location: Bountiful, UT Posts: 686	Just dyno'd mine tonight, complete stock to the filter, 1050 miles, easy first 450, then having fun. Pulled fuses at about 600 miles. About 85 degrees, first run 321hp, 336tq. Second run (about 1 minute idling rest) 313hp, 319tq Attached Images __________________ - 2010 Camaro 2SS/RS CGM LS3 A6 "Lurch" - FLYNGSS - Some ECS, Alky, CompCams, Kooks, JDP Motorsports, Pfadt, BMR, Prothane, RKSport, RX, ACS, Garys, Street Scene, Defenderworx, Anvil, etc. - 1995 Camaro Z28 Turbo'd 383 LT1 - FLYNZ28 - 2001 Silverado 2500HD CCSB 8.1L

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