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

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Old 10-30-2009, 10:46 PM   #1
Tomato
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Please keep calling GM and complaining about AFM!!!

Looks like they have heard us, as most have seen the "memo" or TSB they issued regarding AFM complaints. Please keep calling them and asking for a way to shut it off. Best/most reasonable would be to disable it when we shift into M/Sport Mode or Competitive Mode on the Stabilitrak.

Easy fix for GM -we just need our voices to be heard!
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Old 10-30-2009, 10:49 PM   #2
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Shut it off?
That seems a little counter-productive, don't you think?
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Old 10-30-2009, 10:52 PM   #3
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do you have phone numbers of who to call or email addresses how about a petition
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Old 10-30-2009, 11:05 PM   #4
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If there is a way for the consumer to shut it off(without a tune) that defeats the purpose and the Fuel economy ratings would no longer be valid and could help raise the fleet average. Im just sayin....
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Old 10-30-2009, 11:08 PM   #5
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yeah, that's just counter-productive
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Old 10-30-2009, 11:09 PM   #6
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Ok, but what about the TSB? What is that all about?
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Old 10-30-2009, 11:10 PM   #7
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I vote that AFM works in drive only. We have VVT, we might as well be able to use it on the longer drives. It will also save future buyers of this car from paying the gas guzzler tax.

Sport/M mode no AFM. Give us the option to turn AFM off by shifting in to S/M mode. Sport mode is not very sporty in a 4 cylinder.
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Old 10-30-2009, 11:18 PM   #8
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Quote:
Originally Posted by Kodiak Ak View Post
I vote that AFM works in drive only. We have VVT, we might as well be able to use it on the longer drives. It will also save future buyers of this car from paying the gas guzzler tax.

Sport/M mode no AFM. Give us the option to turn AFM off by shifting in to S/M mode. Sport mode is not very sporty in a 4 cylinder.
lol I agree..
I disagree on the shifting into M to turn off AFM, It would probably still get the gas guzzler tax...
More practical would be when we turn off T/C and Competitive mode on that AFM would be turned off.

the sound of it turning on and off with my exhaust is annoying as h3ll..... not to mention the rumble/vibration feeling i get when i push the gas just a little to kick it back into all 8 cylinders.
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Old 10-31-2009, 09:02 AM   #9
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turned mine off completely w/ a tune. Picked up 3mpg on the hwy w/ a proper tune and no AFM vs AFM and factory tune. If GM would have just tuned it better they wouldn`t need the stinking AFM to keep from getting the guzzler tax.
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Old 10-31-2009, 10:54 AM   #10
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Counter productive? Come on. It's counter intuitive to have AFM kick in if you are driving in Competitive Mode. This suggests, as Chevy calls it, spirited driving. There's no way AFM is going to save fuel if it's kicking on for a few seconds at a time.

I won't argue about the M/S trans setting, but let's get it deactive with Comp mode.

Call 1.800-222-1020. I know I along with several others already have.
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Old 10-31-2009, 03:17 PM   #11
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I can see both sides, but I agree that it doesn't make much sense to have AFM engage while you are in sport or competitive mode.
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Old 10-31-2009, 03:53 PM   #12
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I missed the TSB, what did it say.
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Old 10-31-2009, 04:19 PM   #13
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We had our car tuned to where it only comes on when the vehicle reaches 55 mph. It is SOOOO much better now, especially if you have headers on your car (which only makes the AFM noise more noticeable and aggravating).
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Old 10-31-2009, 04:25 PM   #14
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Quote:
Originally Posted by prostock69 View Post
We had our car tuned to where it only comes on when the vehicle reaches 55 mph. It is SOOOO much better now, especially if you have headers on your car (which only makes the AFM noise more noticeable and aggravating).
I thought it already had a similar minimum speed
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Old 10-31-2009, 04:47 PM   #15
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No minimum speed. That's one of the issues. It will kick in at 25 MPH.
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Old 10-31-2009, 05:14 PM   #16
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Quote:
Originally Posted by ShnOmac View Post
If there is a way for the consumer to shut it off(without a tune) that defeats the purpose and the Fuel economy ratings would no longer be valid and could help raise the fleet average. Im just sayin....
Well GM isn't known for its high mileage commuter cars, so it probably wouldn't matter if the car got 18mpg on the highway. Just wait until the VOLT or some similar car comes out and it swings the average up into a higher bracket.

Quote:
Originally Posted by Kodiak Ak View Post
I vote that AFM works in drive only. We have VVT, we might as well be able to use it on the longer drives. It will also save future buyers of this car from paying the gas guzzler tax.

Sport/M mode no AFM. Give us the option to turn AFM off by shifting in to S/M mode. Sport mode is not very sporty in a 4 cylinder.
IF you're in sport mode and shifting manually, why not just get the Manual transmission? Don't quite have the coordination that pretty much everyone else has? You bought a sport car with an AUTOMATIC transmission? HUH?

If you're in sport mode, and you're driving competatively, then the "AFM" wont be kicking in until you let off the gas anyway.

Why do you feel the need to keep 8 cylinders burning fuel when you're on a 10 miles downhill descent?

Quote:
Originally Posted by Tomato View Post
Counter productive? Come on. It's counter intuitive to have AFM kick in if you are driving in Competitive Mode. This suggests, as Chevy calls it, spirited driving. There's no way AFM is going to save fuel if it's kicking on for a few seconds at a time.

I won't argue about the M/S trans setting, but let's get it deactive with Comp mode.

Call 1.800-222-1020. I know I along with several others already have.
It "kicks in" for a lot more than just "a few seconds at a time" when you're cruising on the highway or on a downgrade.

Waaaaaaaaaaaaaaaaa

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I thought it already had a similar minimum speed
It has less to do with actual speed than it does to do with the amount of power needed to maintain your current speed.

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Originally Posted by GMRULZ View Post
turned mine off completely w/ a tune. Picked up 3mpg on the hwy w/ a proper tune and no AFM vs AFM and factory tune. If GM would have just tuned it better they wouldn`t need the stinking AFM to keep from getting the guzzler tax.
Wow, you're a big effin' stud man! Why aren't you working for GM and making millions? Just "tune" a car to get all 8 cylinders running so your exhaust sounds good, more horsepower, and higher mileage? Man... if only the engineers at GM knew this little secret would work for the Camaros.

Quote:
Originally Posted by FNKNSTN View Post
That's pretty stupid.

"-we just need our voices to be heard!"

You're full of crap.

You knew what you were getting into before you bought the car.

You had a choice between the L99 and LS3.

If you want the "AFM" to be shut off, but it in "M/Sport Mode" and downshift... running in a lower gear and higher RPM.
Oh man, now HERE's the REAL STUD!! ^^^^^^^

:w 00t:

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Old 10-31-2009, 05:47 PM   #17
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Quote:
Originally Posted by FNKNSTN View Post
IF you're in sport mode and shifting manually, why not just get the Manual transmission? Don't quite have the coordination that pretty much everyone else has? You bought a sport car with an AUTOMATIC transmission? HUH?

If you're in sport mode, and you're driving competatively, then the "AFM" wont be kicking in until you let off the gas anyway.

Why do you feel the need to keep 8 cylinders burning fuel when you're on a 10 miles downhill descent?

Wow, you're a big effin' stud man! Why aren't you working for GM and making millions? Just "tune" a car to get all 8 cylinders running so your exhaust sounds good, more horsepower, and higher mileage? Man... if only the engineers at GM knew this little secret would work for the Camaros.



Oh man, now HERE's the REAL STUD!! ^^^^^^^
turn it down a notch or two. If you can't figure out how to respectfully disagree, don't hit 'Submit Reply' and that goes for everyone, not just you.
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Old 10-31-2009, 09:31 PM   #18
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It's not stupid when you concider dealers would not let you test drive the car. At least that's the case in south fl.
I have never had a dealer turn down a test drive. Hell, I was 22 years old, stationed in Germany, and was able to test drive a 97 Dodge Viper on the Autobahn with nothing more than a drivers license and a 500 dollar "insurance" deposit (which they refunded when I brought the car back in one piece). I test drove both the M6 and the A6 before I bought my car. Took it on the interstate and the dealer told me to go as fast as I wanted...
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Old 10-31-2009, 09:31 PM   #19
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FNKNSTN = Troll ?
If you can't dis-agree respectfully then there is no need to voice your opinion.

On a more serious note, In the end we could always just tune it to only be active when in Drive.
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Old 10-31-2009, 10:18 PM   #20
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There is no reason it should not have an off setting.



Look at CAGS they claim it helps mileage (which is not true) and what does everyone do? Drive past it, ie drive the car harder so you don't have to deal with it...or CAGS elimiator
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Old 10-31-2009, 10:24 PM   #21
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I didn't think it would be an issue.My Tahoe has it and it's not noticeable even with a cat back.The Camaro is on and off much more than the Tahoe. So far it doesn't bother me with the stock exhaust.
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Old 10-31-2009, 10:29 PM   #22
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I didn't think it would be an issue.My Tahoe has it and it's not noticeable even with a cat back.The Camaro is on and off much more than the Tahoe. So far it doesn't bother me with the stock exhaust.
Fairly lucky then, I can actually feel the car rumble/vibrate when it kicks in/out of AFM, along with hearing it just slightly when going through the stock exhaust. But when I have my Electric exhaust cutouts open, it is god aweful sounding.
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Old 10-31-2009, 11:09 PM   #23
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Thumbs up

I feel the on-again off-again just cruising around town but not really on the Highway. It tends to lurch forward just lightly stepping on the gas or feel like the brakes are coming on just slightly lifting off the gas.
I have all the stock exhausts and can hear it kind of "POP" or gurgle as well.
Makes me a bit concerned!
I didn't know the Auto tranny was suppose to do this as never drove a car with this AFM? in it before.
I'd like to see it being disabled in S?M mode or at least when we hit and hold down the Traction Control and Stabilatrack off button for a few seconds!
It's damn annoying!
Like that Frankenfreak poster!
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Old 10-31-2009, 11:14 PM   #24
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It's damn annoying!
Like that Frankenfreak poster![/QUOTE]

Good one! And good observations on the AFM. I'm fine with it when just cruising on the highway, but it's crazy that it kicks in when my car is ice cold and I'm going 25 MPH down my street. I can't imagine that it's good for the car during the warm up process - I'd bet the cylinders heat up unevenly...
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Old 10-31-2009, 11:22 PM   #25
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Quote:
It's damn annoying!
Like that Frankenfreak poster!
Good one! And good observations on the AFM. I'm fine with it when just cruising on the highway, but it's crazy that it kicks in when my car is ice cold and I'm going 25 MPH down my street. I can't imagine that it's good for the car during the warm up process - I'd bet the cylinders heat up unevenly...
impossible. heat spreads out evenly
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