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Old 12-29-2011, 02:50 PM   #1
Cyber2SS
 
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Thoughts about my L99

My father and I both have 2010 Camaros. Mine is a manual and his is an auto. Well my older brother just bought a 2011 6.4 hemi challenger which brings me to problem. I know the L99 is lacking some hp because its an auto. My goal is to catch it up to the 6.4 challenger without going crazy. I bought my dad a cold air intake along with the scoop and we plan a complete exhaust (tuning in spring). What else could I do to gain some hp. Replacing the pulley on the crank worth doing? I look forward to hearing some of your guys thoughts.
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Old 12-29-2011, 02:53 PM   #2
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Get a friggin' cam!
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Old 12-29-2011, 02:55 PM   #3
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long tubes and a tune 50hp at least
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Old 12-29-2011, 02:57 PM   #4
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Get a friggin' cam!


Full bolt ons, tune, ls3 conversion, cam and ud pulley. Cost me about $6k~ and the car is another beast.
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Old 12-29-2011, 03:30 PM   #5
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You can get a tune, cai, and headers for around $1500 and it should get you want to be. (K&N CAI = < $300. OBX Headers = $700. Custom tune = < $400)

I have to assume you don't want to spend $6k just to be faster than a stock Challenger, which would be nothing short of ridiculous.

Also, I don't recommend a small pulley to anyone. The potential for charging and or cooling system issues isn't worth HP bumps that could simply be chalked up to variances.
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Old 12-29-2011, 04:01 PM   #6
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Just take him to the dragstrip and outdrive him. I ran a 2011 SRT8 with the 470hp 392 hemi and won by 1.2 seconds and about 3 car lenghts. Power doesn't mean anything if you can't plant it and drive, I was spinning off the line and still won. Good luck, enjoy the ride!!!
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Old 12-29-2011, 04:07 PM   #7
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Just take him to the dragstrip and outdrive him. I ran a 2011 SRT8 with the 470hp 392 hemi and won by 1.2 seconds and about 3 car lenghts. Power doesn't mean anything if you can't plant it and drive, I was spinning off the line and still won. Good luck, enjoy the ride!!!
He must've missed like 2 shifts.
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Old 12-29-2011, 05:06 PM   #8
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Originally Posted by Cyber2SS View Post
My father and I both have 2010 Camaros. Mine is a manual and his is an auto. Well my older brother just bought a 2011 6.4 hemi challenger which brings me to problem. I know the L99 is lacking some hp because its an auto. My goal is to catch it up to the 6.4 challenger without going crazy. I bought my dad a cold air intake along with the scoop and we plan a complete exhaust (tuning in spring). What else could I do to gain some hp. Replacing the pulley on the crank worth doing? I look forward to hearing some of your guys thoughts.
Maybe I'm slow but if you have a M6 how do you have a L99? I thought all M6's were LS3
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Old 12-29-2011, 05:10 PM   #9
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Maybe I'm slow but if you have a M6 how do you have a L99? I thought all M6's were LS3
It appears the Op is talking about his fathers A6 L99!
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Old 12-29-2011, 05:11 PM   #10
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Throw one of these in there FTW!

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Old 12-29-2011, 05:14 PM   #11
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It appears the Op is talking about his fathers A6 L99!
ok makes sense the thread title of my L99 threw me off. Also what he said ^
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Old 12-30-2011, 01:21 AM   #12
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Throw one of these in there FTW!

Attachment 319784
Thats sexy.
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Old 12-30-2011, 02:34 AM   #13
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Just take him to the dragstrip and outdrive him. I ran a 2011 SRT8 with the 470hp 392 hemi and won by 1.2 seconds and about 3 car lenghts. Power doesn't mean anything if you can't plant it and drive, I was spinning off the line and still won. Good luck, enjoy the ride!!!
you should never ever just bank on that idea.
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Old 12-30-2011, 03:49 AM   #14
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The best things you can do and keep it reasonably priced. And I recommend all them together if you can afford it. CAI, LT headers with high flow cats, ADM race scoop, and a dyne tune with transmission tuning. The dyne tuning will include torque management removed from the engine side and partially or completely removed from the transmission side. I went from 333 HP with these bolt on but untuned to 367 HP and 373 TQ after an EFI live tune. It's a completely different car now and like everyone says: "How it should of been from GM in the first place".

I bought used Dynatech LT's and high flow cats for $700. A used CAI and ADM scoop with Rotofab washer bottle relocation for $325. The dyno tune cost me $450. For $1475, this car is now a serious runner and probably a mid 12's car with good racing conditions. I left the cutback completely stock as it has a very nice tone at idle and normal driving and it growls nice and deep at WOT. Cat back exhaust doesn't add anything over 5 HP and it costs you big bucks.

I bought everything used in the swap and sell classified here on this forum. Be patient and check often and you'll find great deals.
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Old 12-30-2011, 04:24 AM   #15
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333 hp stock? For a 2 ss?? Even if your a l99 that's a weak starting hp!! Never seen one that low to start. Mine is a Ls3 and I started at 366 rwhp. Now I'm in the 480 range. Love the cam install. So I suggest cam and headers for biggest hp upgrade. And dyno tune with it. Have to tune it with new cam and headers. The car is a completly different car now.
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Old 12-30-2011, 06:20 AM   #16
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No 333 is about right for a L99. You have to remember 26 less HP that an LS3 and 20% loss thru automatic compared to about 12-15 on stick.
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Old 12-30-2011, 07:11 AM   #17
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333 hp stock? For a 2 ss?? Even if your a l99 that's a weak starting hp!! Never seen one that low to start. Mine is a Ls3 and I started at 366 rwhp. Now I'm in the 480 range. Love the cam install. So I suggest cam and headers for biggest hp upgrade. And dyno tune with it. Have to tune it with new cam and headers. The car is a completly different car now.
That's about where mine started... it's climbing tho...
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