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09-16-2015, 02:26 PM
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#1 |
 
Drives: 2012 Camaro ZL1 Join Date: Aug 2015
Location: Houston
Posts: 21
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Why is an A6 faster than M6?
Hi, I just recently purchased a ZL1 A6 and it is my first automatic transmission in years. I keep on reading that a stock automatic is just a little faster 0 to 60 and quarter mile times than the stock manual transmission. How could this be? I know the transmissions have gotten better on the automatics over the years, but on paper, the manual transmission has more RWHP and torque than the automatic. Can someone please explain to me on why does a vehicle with less HP & Torque (A6) show faster times than the (M6)? Also, the SS Camaro is 426 HP for manual and 400 HP for automatic. Why is there not a deduction of HP on the automatic ZL1s like the SS models? Thanks for your input.
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09-16-2015, 02:30 PM
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#2 |
           
Drives: 2017 Mosaic Bk ZL1 M6 Join Date: Jul 2009
Location: South of Raleigh, NC
Posts: 9,477
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Well, it depends who's driving the M6, but essentially, the computer does the shifting in an auto. same as a computer can add numbers faster than you. No skill required. Just press the go pedal and hang on. There, that should get it started.
 Welcome to Camaro5 OP 
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09-16-2015, 02:30 PM
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#3 |
 Drives: camaro Join Date: Aug 2015
Location: Houston
Posts: 149
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an automatic transmission is faster and more consistent than 99% of people out there...and an automatic is faster in drag style racing. I'm pretty sure the manual has an advantage in road course style racing.
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09-16-2015, 02:35 PM
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#4 | |
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Drives: 2012 Camaro ZL1 Join Date: Aug 2015
Location: Houston
Posts: 21
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Quote:
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09-16-2015, 02:42 PM
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#5 |
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Drives: camaro Join Date: Aug 2015
Location: Houston
Posts: 149
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dynos are a tuning tool. the number it spits out doesn't make one car faster than the other.
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09-16-2015, 02:43 PM
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#6 |
Drives: 1SS/RS/M6-White/Beige Join Date: Jul 2009
Location: Scottsdale, AZ
Posts: 161
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It is all about gearing. The stock auto has a first gear providing much more torque multiplication than what the manual transmission first gear does. To compensate for this many manual transmission owners change rear end gears to obtain similar total torque multiplication (effects through the entire drive train).
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09-16-2015, 02:54 PM
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#7 |
Drives: 2010 Camaro 2ss/Rs Transformers Join Date: Aug 2014
Location: Yorba Linda, California
Posts: 1,564
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Wait?! What? The zl1 auto trans looses horsepower too like the ss autos?!
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YouTube:Krisprz garage
Insta:kris__perez & krisprz_garage LS3 conversion Vararam intake(tune model) Kooks LT headers & cats delete Corsa ZL1 3" exhaust RedBarn Racing Tune CMS Stage 3 Cam AFR CNC ported heads MSD Spark plug wires LNC-2000 Launch controller NGK TR6 Spark Plugs 1le strut tower brace-TPIS spacers Nick Williams 102mm throttle body Fast lsxr 102 intake manifold Slp 25% UDP Katech Tensioner Pulley Circle D 3600-3700 multi disk Stall GM 3.91 gears DDS carbon fiber driveshaft ZL1 fuel pump & injectors Flex fuel sensor(91/E85) https://wheelwell.com/kris-perez |
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09-16-2015, 03:23 PM
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#8 | |
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Drives: 2010 Camaro 2ss/Rs Transformers Join Date: Aug 2014
Location: Yorba Linda, California
Posts: 1,564
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Quote:
I know the auto ss loose power, but I didn't know that the zl1's do as well. The article doesn't mention the zl1 horsepower thought
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YouTube:Krisprz garage
Insta:kris__perez & krisprz_garage LS3 conversion Vararam intake(tune model) Kooks LT headers & cats delete Corsa ZL1 3" exhaust RedBarn Racing Tune CMS Stage 3 Cam AFR CNC ported heads MSD Spark plug wires LNC-2000 Launch controller NGK TR6 Spark Plugs 1le strut tower brace-TPIS spacers Nick Williams 102mm throttle body Fast lsxr 102 intake manifold Slp 25% UDP Katech Tensioner Pulley Circle D 3600-3700 multi disk Stall GM 3.91 gears DDS carbon fiber driveshaft ZL1 fuel pump & injectors Flex fuel sensor(91/E85) https://wheelwell.com/kris-perez |
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09-16-2015, 03:24 PM
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#9 | |
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Drives: 2012 Camaro ZL1 Join Date: Aug 2015
Location: Houston
Posts: 21
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Quote:
That is what I am trying to figure out why loose HP on the crank with automatics on the SS, but not the ZL1. Could be GM playing with paper HP numbers...... |
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09-16-2015, 03:28 PM
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#10 |
Drives: 2014 2SS/RS Camaro Join Date: Dec 2014
Location: Kentucky
Posts: 2,421
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We should have enough dyno runs around here to figure it out.
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2014 2SS/RS, L99, SW LTH w/HF Cats, GMPP Ex. Z/28 CAI, FR41s in PVD Black Chrome, Recaros, Pfadt Sway
377hp, 383tq 12.739@110.44 MPH |
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09-16-2015, 03:35 PM
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#11 |
 
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I thought the SS had less HP because the cam isn't as aggressive in the L99 due to the AFM or whatever?
ZL1 will be on paper the same, they both use the LSA, but the L99 and LS3 are different in a few aspects... Dyno the ZL1's and the auto will probably lose more than the manual though.
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (11/8/2015)M 11.265 @ 123.55mph DA: 2318 | 526rwhp/532rwtq (11/19/2016)M 10.722 @ 132.21mph DA: 850 | 645rwhp/581rwtq (12/3/2017)M 10.609 @ 130.19 DA: 975 | 675rwhp/629rwtq (2/16/2020)D Build: E-Force w/ 3.25" pulley (11lbs of boost), 10% OD under pulley, Fore Dual Fuel System, ID850's, AEM CAI, Borla Long Tubes, Flowmaster Super 10's, Circle D 3200 converter 258mm triple disc lockup, cam 226/242 116+4 LSA, ZL-1 Rear end, E85 & BRC Raceworks Tune (previously known as CMS) Youtube Channel: http://www.youtube.com/c/RobertMitchellRCM  |
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09-16-2015, 03:44 PM
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#12 | |
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Drives: 2012 Camaro ZL1 Join Date: Aug 2015
Location: Houston
Posts: 21
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Quote:
http://www.ehow.com/info_8762452_dif...e-l99-ls3.html |
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09-16-2015, 03:58 PM
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#13 | |
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Drives: 2010 Camaro 2ss/Rs Transformers Join Date: Aug 2014
Location: Yorba Linda, California
Posts: 1,564
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Quote:
This is the first time I have ever heard that apparently auto zl1s loose have less power than manuals.
__________________
YouTube:Krisprz garage
Insta:kris__perez & krisprz_garage LS3 conversion Vararam intake(tune model) Kooks LT headers & cats delete Corsa ZL1 3" exhaust RedBarn Racing Tune CMS Stage 3 Cam AFR CNC ported heads MSD Spark plug wires LNC-2000 Launch controller NGK TR6 Spark Plugs 1le strut tower brace-TPIS spacers Nick Williams 102mm throttle body Fast lsxr 102 intake manifold Slp 25% UDP Katech Tensioner Pulley Circle D 3600-3700 multi disk Stall GM 3.91 gears DDS carbon fiber driveshaft ZL1 fuel pump & injectors Flex fuel sensor(91/E85) https://wheelwell.com/kris-perez |
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09-16-2015, 04:14 PM
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#14 |
Drives: 2013 ZL1 Join Date: Jan 2015
Location: Orlando
Posts: 936
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The actual acceleration stock vs stock is about identical. If you roll race to you likely find they are identical. The constant acceleration of the auto makes up for the little efficiency difference.
The ET difference is almost all within the first 60' and certainly within the 330' because the auto applies the power smoother and can make boost before it even moves.
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2013 A6 ZL1
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