Do I have an LS3 or L99 engine? - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 7 Old 05-15-2013, 10:02 PM Thread Starter
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Do I have an LS3 or L99 engine?

Don't laugh too much after reading my question- I am 100% new to Camaros. What engine does my 2013 2SS/RS have in it? The L99 or LS3.

Can anyone explain the difference?

Proud owner of my 2013 Camaro 2SS/RS Inferno Orange Metallic Exterior & Interior,


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post #2 of 7 Old 05-15-2013, 10:51 PM
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LS3 if you have a manual. It is a L99 if you have the automatic.

2SS L99, CAI, Kooks 1 7/8 headers and Kooks hi flow cats, MBRP Exhaust, Full Dyno Tune. BMR G8 Trailing Arms and Rear Toe Rods, Factory GFX, Devils Tail Side Stripes, Side Vent Stripes, Synergy Green Door Panels and SS Grill & Trunk Badges .


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post #3 of 7 Old 05-15-2013, 10:58 PM
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Looks like you have an automatic, so it's an L99.

2010 IOM Camaro 2SS/RS LS3 Whipplecharged.
2000 Trans Am WS6 Magnacharged.
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post #4 of 7 Old 05-16-2013, 08:22 AM
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Quote:
Originally Posted by Kiteboarder85 View Post
Can anyone explain the difference?
As stated the L99 is always mated to the super awesome 6L80E auto w/ tapshift!

In a nutshell the L99 differs in the following:

1. AFM (Active Fuel Management) to deactivate 4 cylinders on demand under certain conditions for increased fuel economy (VVT via cam phaser and special lifters/solenoids)
2. lower compression due to the AFM clearance in the CC (10.4 vs 10.7 for the LS3)
3. 400HP vs 426 for the LS3
4. Higher volume oil pump to run the VVT cam phaser & AFM lifters

Chuck
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post #5 of 7 Old 05-16-2013, 08:52 AM Thread Starter
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Thanks everyone! I couldn't find a good website from my searches last night that explained it that well. Much appreciated!

Proud owner of my 2013 Camaro 2SS/RS Inferno Orange Metallic Exterior & Interior,


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post #6 of 7 Old 05-16-2013, 04:22 PM
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Quote:
Originally Posted by hypurone View Post
As stated the L99 is always mated to the super awesome 6L80E auto w/ tapshift!

In a nutshell the L99 differs in the following:

1. AFM (Active Fuel Management) to deactivate 4 cylinders on demand under certain conditions for increased fuel economy (VVT via cam phaser and special lifters/solenoids)
2. lower compression due to the AFM clearance in the CC (10.4 vs 10.7 for the LS3)
3. 400HP vs 426 for the LS3
4. Higher volume oil pump to run the VVT cam phaser & AFM lifters

...you forgot faster 0-60 and 1/8 and 1/4 miles.

James 1:25 Ordered from Faulkner Chevy #NKCF02 1100 5/8/9 2000, 3300 7/16/9 TPW 7/20,GOT MY (low) VIN! 4000 7/24/9 ,Picked up 8/7/9!!! Signed Litho #45. Car signed by FBodfather 2011. Service: Jennings Chevy in PA. We don't "drift", kiddies... we POWER SLIDE! MOTM/COTM Sept 2012 Pro Patria Vigilans.
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post #7 of 7 Old 05-16-2013, 07:06 PM
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Quote:
Originally Posted by patriotpa View Post
...you forgot faster 0-60 and 1/8 and 1/4 miles.
I didn't wanna rub it in!!

Chuck
2010 SIM 2SS/RS A6 SC - Born on 10/05/09
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"You Were Really Flyin' When I Passed You Back There!"
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