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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 05-03-2010, 06:09 PM   #1
black2black10
 
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LS3 and L99?

So I'm undecied on an auto or manual. Why the difference in hp? Is the LS3 a different motor than the L99? Sorry for the dumb question, just trying to get the facts together.
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Old 05-03-2010, 06:14 PM   #2
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Yes, the L99 is a different engine than the LS3.

The primary difference you would notice is the L99 with the automatic transmission has AFM - Active Fuel Management.

Both perform great and provide a great driving experience. It just depends on your transmisssion choice.

Of course there is a strong contingent that would rather have had the LS3 automatic, but that would have put the Camaro in the Gas Guzzler range and added some big bucks in taxes.
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Old 05-03-2010, 06:27 PM   #3
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I have the L99 (A6) and the TCM & ECM Tunes from Vector Motorsports. EXTREMELY pleased with my decision.
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Old 05-03-2010, 06:28 PM   #4
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not again....please.....not another A6 vs M6 thread
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Old 05-03-2010, 06:33 PM   #5
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Old 05-03-2010, 07:12 PM   #6
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The L99/A6 only needs 2 inexpensive changes to be a GREAT car:
Muffler delete.
ECM tune WITH a TCM tune.
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Old 05-03-2010, 07:17 PM   #7
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Poke around in here
http://www.camaro5.com/forums/forumdisplay.php?f=11
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Old 05-03-2010, 08:40 PM   #8
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Anyone know where I can read about the ECM and TCM tunes ?
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Old 05-03-2010, 08:41 PM   #9
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Old 05-04-2010, 05:33 PM   #10
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Thanks guys that helps. I tested both and love both. Kinda leaning toward the M6 as I plan to add a blower later and the M6 may hold more horses
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Old 05-04-2010, 07:39 PM   #11
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The L99 might have 26 less hp, but if you take a look at the 1/4 mile fast list the L99's seems to be just as quick as the LS3 if not even a little better. I went from an LS1 Firebird to an L99 2010 Camaro, and honestly just in normal driving the L99 feels quicker than the LS1.
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Old 05-04-2010, 08:29 PM   #12
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Quote:
Originally Posted by StangKiller-SS View Post
The L99 might have 26 less hp, but if you take a look at the 1/4 mile fast list the L99's seems to be just as quick as the LS3 if not even a little better. I went from an LS1 Firebird to an L99 2010 Camaro, and honestly just in normal driving the L99 feels quicker than the LS1.

I have not seen any published 1/4 mi or even 0 to 60 mph times quicker with the L99. This month's Motor Trend showed an LS3 doing 0 to 60 mph in a scant 4.5 seconds. That right there is quicker than any 0 to 60 times I have seen in any magazine for the automatic. Furthermore, there have been no published times of the automatic equaling the 13.0 times of the manual, the automatics usually running about 13.2, which is about 1 to 2 car lengths.

8 out 10 of the quickest 1/4 mi times are LS3's. Read the threads. And as for tuning out your AFM, it's not realistic. Less than 1/10 of 1 percent of Camaro owners will get a tune. So at the end of the day, the L99 is slower 0 to 60 mph as well as the 1/4 mi.

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Old 05-04-2010, 10:10 PM   #13
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Originally Posted by GeorgeM View Post
I have not seen any published 1/4 mi or even 0 to 60 mph times quicker with the L99. This month's Motor Trend showed an LS3 doing 0 to 60 mph in a scant 4.5 seconds. That right there is quicker than any 0 to 60 times I have seen in any magazine for the automatic. Furthermore, there have been no published times of the automatic equaling the 13.0 times of the manual, the automatics usually running about 13.2, which is about 1 to 2 car lengths.

8 out 10 of the quickest 1/4 mi times are LS3's. Read the threads. And as for tuning out your AFM, it's not realistic. Less than 1/10 of 1 percent of Camaro owners will get a tune. So at the end of the day, the L99 is slower 0 to 60 mph as well as the 1/4 mi.

GeorgeM

i dont kno that you are right about this one.. i cant remember where off the top of my head but everything i have read on the 2 they have the L99 stock faster than the LS3 stock..
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Old 05-04-2010, 10:18 PM   #14
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Quote:
Originally Posted by 40years View Post
I have the L99 (A6) and the TCM & ECM Tunes from Vector Motorsports. EXTREMELY pleased with my decision.
i thought that said u was extremely pissed with your decision. i was going to say that is a first. but then i noticed my retard ass cant read correctly
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Old 05-04-2010, 10:20 PM   #15
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1. nhra stocker - 12.58 @ 110.30 mph, (LS3, M6)
2. 2quick - 12.61 @ 111.60 mph, (LS3, M6)
3. blufin - 12.70 @ 111.07 mph, (LS3, M6)
4. b20 - 12.81 @ 108.73 mph, (LS3, M6)
5. 8secpumpgasdad - 12.86 @ 108.70 mph, (L99, A6)
6. speedy6963 - 12.87 @ 109.08, (LS3, M6)
7. 8ty8ls1 - 12.97 @ 107.61 mph, (L99, A6)
8. 1stGM - 12.98 @ 107. 34 mph, (L99, A6)
9. SSmokey - 13.04 @ 110.80 mph, (LS3, M6)
10. NineBall - 13.07 @ 109.07 mph, (LS3, M6)
11. Kathy63 - 13.07 @ 105.84 mph, (LS3, m6)
12. Jorux - 13.08 @ 111.49 mph, (LS3, M6)
13. Will69camaro - 13.09 @ 109.70 mph, (LS3 M6), (DA +276)
14. Malice - 13.10 @ 107.64 mph, ( LS3, M6)
15. Dentyneice - 13.17 @ 109.77 mph, (LS3, M6)
16. gtwss - 13.17 @ 109.64 mph, (LS3, M6)
17. acatlover13 - 13.20 @ 105.99 mph, (L99, A6)
18. Three-D - 13.25 @ 109.84 mph, (LS3, M6)
19. Matt (tunetime) - 13.25 @ 106. 42 mph, (L99, A6)
20. Grand pa - 13.27 @ 100.72 mph, (L99 A6)
21. Foglin - 13.28 @ 106.8 mph, (LS3, M6)
22. Scottywheels - 13.28 @ 106.43 mph, (L99, A6)
23. gtwss - 13.29 @ 108.09 mph, (LS3, M6)
24. Amwellls1 - 13.31 @ 107.0 mph, (LS3, M6)
25. Midnight Maro - 13.33 @ 105.52 mph, (L99, A6)
27. GQ4life - 13.36 @ 108.97 mph, (LS3, M6)
28. DarricSS - 13.37 @ 105.89 mph, (LS3, M6), (DA + 3331)
28. blake2010ss - 13.38 @ 107.72 mph, (LS3, M6)
29. HDDAN - 13.38 @ 105.65 mph, (L99, A6)
30. DrumDawg - 13.39 @ 105.90 mph, (L99, A6)
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Old 05-04-2010, 10:22 PM   #16
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these are all stock cars, the m6 might have more hp and less drivetrain lost. but u have to factor in human error when shifting and reaction time. the computer can shift faster than you
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Old 05-04-2010, 11:22 PM   #17
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L99 is just as fast as an LS3 because the A6 trans is better at shifting than most people with an M6. If you drag race, the A6 is a great transmission.
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Old 05-04-2010, 11:35 PM   #18
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if the l99 had the same rwhp and torque, the l99 would more than likely win.
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Old 05-05-2010, 07:10 PM   #19
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Quote:
Originally Posted by trudawg660 View Post
1. nhra stocker - 12.58 @ 110.30 mph, (LS3, M6)
2. 2quick - 12.61 @ 111.60 mph, (LS3, M6)
3. blufin - 12.70 @ 111.07 mph, (LS3, M6)
4. b20 - 12.81 @ 108.73 mph, (LS3, M6)
5. 8secpumpgasdad - 12.86 @ 108.70 mph, (L99, A6)
6. speedy6963 - 12.87 @ 109.08, (LS3, M6)
7. 8ty8ls1 - 12.97 @ 107.61 mph, (L99, A6)
8. 1stGM - 12.98 @ 107. 34 mph, (L99, A6)
9. SSmokey - 13.04 @ 110.80 mph, (LS3, M6)
10. NineBall - 13.07 @ 109.07 mph, (LS3, M6)
11. Kathy63 - 13.07 @ 105.84 mph, (LS3, m6)
12. Jorux - 13.08 @ 111.49 mph, (LS3, M6)
13. Will69camaro - 13.09 @ 109.70 mph, (LS3 M6), (DA +276)
14. Malice - 13.10 @ 107.64 mph, ( LS3, M6)
15. Dentyneice - 13.17 @ 109.77 mph, (LS3, M6)
16. gtwss - 13.17 @ 109.64 mph, (LS3, M6)
17. acatlover13 - 13.20 @ 105.99 mph, (L99, A6)
18. Three-D - 13.25 @ 109.84 mph, (LS3, M6)
19. Matt (tunetime) - 13.25 @ 106. 42 mph, (L99, A6)
20. Grand pa - 13.27 @ 100.72 mph, (L99 A6)
21. Foglin - 13.28 @ 106.8 mph, (LS3, M6)
22. Scottywheels - 13.28 @ 106.43 mph, (L99, A6)
23. gtwss - 13.29 @ 108.09 mph, (LS3, M6)
24. Amwellls1 - 13.31 @ 107.0 mph, (LS3, M6)
25. Midnight Maro - 13.33 @ 105.52 mph, (L99, A6)
27. GQ4life - 13.36 @ 108.97 mph, (LS3, M6)
28. DarricSS - 13.37 @ 105.89 mph, (LS3, M6), (DA + 3331)
28. blake2010ss - 13.38 @ 107.72 mph, (LS3, M6)
29. HDDAN - 13.38 @ 105.65 mph, (L99, A6)
30. DrumDawg - 13.39 @ 105.90 mph, (L99, A6)

Keep in mind that the LS3 M6 has on average 60 more rwhp than the L99 A6. Tune vs. tune - the L99 will win even with the difference of rwhp because torque management is holding up the A6's.
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Old 05-06-2010, 09:34 AM   #20
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get what you want uyou still going to have great car
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Old 05-06-2010, 12:35 PM   #21
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these are all stock cars, the m6 might have more hp and less drivetrain lost. but u have to factor in human error when shifting and reaction time. the computer can shift faster than you
That being the case, then why do we see the LS3 in the top 4 time slots?
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Old 05-06-2010, 02:52 PM   #22
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torque management more than likely

its proven to have way less power, its weights the same as the m6. but it still makes close to the same times
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Old 05-06-2010, 03:08 PM   #23
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get the L99 and Tap Shift away.
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Old 05-06-2010, 03:51 PM   #24
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That being the case, then why do we see the LS3 in the top 4 time slots?
Read my post. For the L99 to be that close to the LS3 and even better in some situations says a lot considering it averages ~60 rwhp less.
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Old 05-06-2010, 06:16 PM   #25
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Aren't the 1-6th gearings different in the a6 vs the m6
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