Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com
 
dave@hennessey
Go Back   Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com > General Camaro Forums > Camaro ZL1 Forum - ZL1 Specific Topics


Reply
 
Thread Tools
Old 04-12-2012, 04:31 PM   #85
PeeBee

 
PeeBee's Avatar
 
Drives: "Bee" ZL585, Dark Blue Suburban.
Join Date: Nov 2010
Location: Luxemburg
Posts: 1,244
Aha... 518 rwhp... pretty much the same as my ZL585...
PeeBee is offline   Reply With Quote
Old 04-12-2012, 05:02 PM   #86
knitetrain05
Account Suspended
 
Drives: 2012 Camaro SS 45th Anniversary Edi
Join Date: Nov 2011
Location: Rochester, New York
Posts: 523
Quote:
Originally Posted by Bonemaro View Post
bullshit
Why do you say that?
knitetrain05 is offline   Reply With Quote
Old 04-12-2012, 05:26 PM   #87
ThaCamaroKid
 
ThaCamaroKid's Avatar
 
Drives: 2010 Camaro 2SS/RS L99
Join Date: Apr 2011
Location: Royse City Tx.
Posts: 584
Quote:
Originally Posted by SUX2BU View Post
Slow down there, buddy. These aren't the LS1's of back in the day.
if average loss is about 15% from the crank to the wheels and these are pumping out 518 at the wheels then that is 610 at the crank...
and some people say newer ones only lose 12-13% so that would make it even more...
__________________

375RWHP/399RWTQ
ThaCamaroKid is offline   Reply With Quote
Old 04-12-2012, 05:49 PM   #88
BigHemiSrt
Account Suspended
 
Drives: 07 Dodge Charger SRT8
Join Date: Sep 2009
Location: In Space
Posts: 614
Quote:
Originally Posted by SUX2BU View Post
Kind of like it would have been cool to break into the "magic 11s" at the track.
Exactly.
BigHemiSrt is offline   Reply With Quote
Old 04-12-2012, 06:37 PM   #89
BigHemiSrt
Account Suspended
 
Drives: 07 Dodge Charger SRT8
Join Date: Sep 2009
Location: In Space
Posts: 614
Quote:
Originally Posted by ThaCamaroKid View Post
if average loss is about 15% from the crank to the wheels and these are pumping out 518 at the wheels then that is 610 at the crank...
and some people say newer ones only lose 12-13% so that would make it even more...
All engines are SAE Certified. There is no such thing as under rating engines like the good old day when there was no certification. LS3's, 5.0's, 6.1 & 6.4 Hemis are NOT under rated.

The engine is making 580hp as advertised. Give or take a couple hp.

We installed a whipple on a LS3 5th Gen with long tubes and other supporting mods. It made 505rwhp. You honestly think a stock ZL1 with a smaller TVS blower, no other bolt ons, and probably lower compression engine is makin more power??

Trust me, its the dyno.
BigHemiSrt is offline   Reply With Quote
Old 04-12-2012, 06:43 PM   #90
SSDan

 
SSDan's Avatar
 
Drives: 2016 1SS 6MT NPP
Join Date: Feb 2010
Location: Leesville, SC
Posts: 998
Quote:
Originally Posted by ThaCamaroKid View Post
if average loss is about 15% from the crank to the wheels and these are pumping out 518 at the wheels then that is 610 at the crank...
and some people say newer ones only lose 12-13% so that would make it even more...
Not so sure the math works that way. A 15% drivetrain loss on 518 RWHP = 518/.85 = 610. So, 13% loss would be 518/.87 = 595 and 12% would be 518/.88 = 589. That's the cool thing about statistics ( and dynos ) - play with the numbers long enough and you can tell any story you want.
__________________
2016 Camaro 1SS Hyper Blue 6MT NPP

2010 Camaro 2SS Cam/Headers/CAI/3.91 gears
476 rwhp/440 rwtq (sold)
SSDan is offline   Reply With Quote
Old 04-12-2012, 06:46 PM   #91
KMPrenger


 
KMPrenger's Avatar
 
Drives: 16 SS Camaro, 06 Colorado
Join Date: May 2009
Location: Jefferson City, Missouri
Posts: 12,265
Quote:
Originally Posted by BigHemiSrt View Post
All engines are SAE Certified. There is no such thing as under rating engines like the good old day when there was no certification. LS3's, 5.0's, 6.1 & 6.4 Hemis are NOT under rated.

The engine is making 580hp as advertised. Give or take a couple hp.

We installed a whipple on a LS3 5th Gen with long tubes and other supporting mods. It made 505rwhp. You honestly think a stock ZL1 with a smaller TVS blower, no other bolt ons, and probably lower compression engine is makin more power??

Trust me, its the dyno.
So whats up with all these dynos showing the Mustang GT usually between 370 to 380rwhp? Are all the dynos wrong, or does that car have very low powertrain loss? Assuming the car makes its advertised 412 HP, that would mean it only has a 9 to 10% drivetrain loss....otherwise if the drivetrain loss is closer to 15%, its making 440 to 450 crank hp. At 412 HP, at a 15% loss, it should be around 350rwhp but they never are.

I was also told that the SAE rating only means they are making at least that much HP.

Look, I'm not arguing that these cars ARE making more than advertised HP, but I'd love for someone to give the reason reason to what I said above. I'm fully aware that the dyno should be used a tool to measure your gains from a baseline dyno and not as an end all be all measuring device.
__________________
2016 Camaro 1SS - 8-speed - NPP - Black bowties
2010 Camaro 1LT V6 (Sold. I will miss her!)
KMPrenger is offline   Reply With Quote
Old 04-12-2012, 07:29 PM   #92
BigHemiSrt
Account Suspended
 
Drives: 07 Dodge Charger SRT8
Join Date: Sep 2009
Location: In Space
Posts: 614
Quote:
Originally Posted by KMPrenger View Post
So whats up with all these dynos showing the Mustang GT usually between 370 to 380rwhp? Are all the dynos wrong, or does that car have very low powertrain loss? Assuming the car makes its advertised 412 HP, that would mean it only has a 9 to 10% drivetrain loss....otherwise if the drivetrain loss is closer to 15%, its making 440 to 450 crank hp. At 412 HP, at a 15% loss, it should be around 350rwhp but they never are.

I was also told that the SAE rating only means they are making at least that much HP.

Look, I'm not arguing that these cars ARE making more than advertised HP, but I'd love for someone to give the reason reason to what I said above. I'm fully aware that the dyno should be used a tool to measure your gains from a baseline dyno and not as an end all be all measuring device.
Yes, if every 5.0 is dynoing that (which i doubt) then id say every dyno is reading high.

Remember the SRA doesnt eat up as much power as a IRS. Even with that tho a 412bhp car should not be putting down 380rwhp.

If this is the case id put my money on the dyno reading high, but we do live in a corrupt world so anything is possible. Maybe ford is paying off whoever is certifying these engines, lol. Never know.
BigHemiSrt is offline   Reply With Quote
Old 04-12-2012, 09:19 PM   #93
lbls1


 
lbls1's Avatar
 
Drives: 2002 Camaro SS SOM; 2009 Malibu LT
Join Date: Dec 2010
Location: Queens, NY
Posts: 2,577
Quote:
Originally Posted by tooslow View Post
Ready for what?
Its ready for its competition. Bring it!
__________________
'02 CAMARO SS SOM; 5.7L LS1/FLS6B
'08 TBSS AWD Black Granite Metallic
'09 Malibu LT Dark Gray Metallic

'14 CAMARO ZL1 Blue Ray Metallic
lbls1 is offline   Reply With Quote
Old 04-12-2012, 10:06 PM   #94
tooslow
Banned
 
Drives: 4 Wheels, Gasoline Engine
Join Date: Jul 2010
Location: USA
Posts: 1,007
Quote:
Originally Posted by lbls1 View Post
Its ready for its competition. Bring it!
Have no doubt, it's coming! Be careful what you ask for.
tooslow is offline   Reply With Quote
Old 04-12-2012, 10:18 PM   #95
LWM
 
LWM's Avatar
 
Drives: #54 ZL 550 CGM Camaro 2SS/RS,GIF
Join Date: Sep 2009
Location: Virginia
Posts: 520
I was there today......and these beasts are alive and well. Wow! The cars will be screamers!!!!!!!!!!
LWM is offline   Reply With Quote
Old 04-12-2012, 10:22 PM   #96
KMPrenger


 
KMPrenger's Avatar
 
Drives: 16 SS Camaro, 06 Colorado
Join Date: May 2009
Location: Jefferson City, Missouri
Posts: 12,265
Quote:
Originally Posted by BigHemiSrt View Post
Yes, if every 5.0 is dynoing that (which i doubt) then id say every dyno is reading high.

Remember the SRA doesnt eat up as much power as a IRS. Even with that tho a 412bhp car should not be putting down 380rwhp.

If this is the case id put my money on the dyno reading high, but we do live in a corrupt world so anything is possible. Maybe ford is paying off whoever is certifying these engines, lol. Never know.
Lol who knows. All I know is I picked four or five random YouTube videos of stock 5.0s and they were all 373 and up after some crazed mustang owner claimed they were underrated ....not saying I believe him but the evidence I saw supported his claim. Anyways don't mean too throw off this thread.
__________________
2016 Camaro 1SS - 8-speed - NPP - Black bowties
2010 Camaro 1LT V6 (Sold. I will miss her!)
KMPrenger is offline   Reply With Quote
Old 04-12-2012, 11:29 PM   #97
swizz
 
Drives: Camaro 1SS/RS Black
Join Date: Sep 2009
Location: Queens, NY
Posts: 140
Tough choice still between ZL-1.... CTS-V or a Grand Sport.... If i HAD to choose to trade my SS in... I'd likely take a GS. Weight does mean a lot in terms of feel.
swizz is offline   Reply With Quote
Old 04-13-2012, 10:24 AM   #98
lbls1


 
lbls1's Avatar
 
Drives: 2002 Camaro SS SOM; 2009 Malibu LT
Join Date: Dec 2010
Location: Queens, NY
Posts: 2,577
Quote:
Originally Posted by tooslow View Post
Have no doubt, it's coming! Be careful what you ask for.
....yeah....because they (ford) may get it.

Seriously, the zl1 seems to be in good shape. What it should also mean is that this car will be in prime shape for any power tweak that may (or may not) be required when the new gt500 hits the street.
__________________
'02 CAMARO SS SOM; 5.7L LS1/FLS6B
'08 TBSS AWD Black Granite Metallic
'09 Malibu LT Dark Gray Metallic

'14 CAMARO ZL1 Blue Ray Metallic
lbls1 is offline   Reply With Quote
 
Reply

Tags
camaro z1l dyno, camaro zl1 dyno figures, camaro zl1 dyno numbers, camaro zl1 dyno results, camaro zl1 dyno video, zl1 dyno, zl1 dyno figures, zl1 dyno numbers, zl1 dyno video

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 04:13 AM.


Powered by vBulletin® Version 3.8.9 Beta 4
Copyright ©2000 - 2016, vBulletin Solutions, Inc.