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

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Old 07-13-2012, 06:13 AM   #1
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Would you like L99s with performance tunes & keep AFM

Through Research and Development, Tampa Tuning has come across a method where you can keep your performance tune and great shifts, but when your in 6th gear cruising on the highway and meet a threshold of say 70 MPH and RPMs, your AFM would kick in and vehicle becomes a 4 cylinder again.

No flicking a switch because your computer is doing all the work. You'd just have to have it pre programed into the tune and meet requirements in of Speed and RPMs area in your tune. You'd still have drone as normal with low RPMs, but improved fuel milage.
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Old 07-13-2012, 06:31 AM   #2
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ewwwww NO! haha
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Old 07-13-2012, 07:53 AM   #3
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I tuned mine this way actually from the get go, only left afm active in 6th, and it made a noticeable difference in mileage on the hwy AND its at a speed where you can't hear the shitty sound...lol
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Old 07-13-2012, 08:45 AM   #4
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No reason not to, AFM does make a difference and when you can set it up for only 6th at certain loads, why not?
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Old 07-13-2012, 09:07 AM   #5
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And there is a way to handle that drone, no matter what brand of exhaust you care to use.

Best of both worlds. Go for it!
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Old 07-13-2012, 10:21 AM   #6
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I think it's a neat idea Phil.
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Old 07-13-2012, 10:29 AM   #7
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i think its a great idea i personally just hate afm so i wouldnt do it but i bet alot of people would like it
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Old 07-13-2012, 10:47 AM   #8
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Yea ah no i dont think its even nessesary, I never saw any dip in my overall mileage with the tune. I guess its good as an option if someone wants it but I would have no use for it again.
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Old 07-13-2012, 11:00 AM   #9
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Yea ah no i dont think its even nessesary, I never say any dip in my overall mileage with the tune. I guess its good as an option if someone wants it but I would have no use for it again.
if you take long trips on the highway you can tell. AFM does almost nothing for city driving and the like. not sure how you drive.
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Old 07-13-2012, 11:45 AM   #10
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NO! I want those lifters OUT!!!!!
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Old 07-13-2012, 11:48 AM   #11
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A know guys that put their transmission in 5th gear so the rpms are above the threshold for the AFM to kick in.
When they're cruising in 6th gear at low rpms, they start hearing AFM noises.

So basically on long cruises you still be hearing AFM kicking in and out as your rpms go up and down.

Wouldn't that be the case?
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Old 07-13-2012, 12:02 PM   #12
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Originally Posted by SGOS252382 View Post
A know guys that put their transmission in 5th gear so the rpms are above the threshold for the AFM to kick in.
When they're cruising in 6th gear at low rpms, they start hearing AFM noises.

So basically on long cruises you still be hearing AFM kicking in and out as your rpms go up and down.

Wouldn't that be the case?
It could be but there are a lot of parameters to edit so it doesn't kick on and off all the time. There is a lot you can do with the system.
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Old 07-13-2012, 03:10 PM   #13
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In general, Tuners just turn it off to disable it all the time because its easy.

After a normal tune, your fuel milage should improve with the exception of your getting on the car more because its a fun car when dialed in.

My thinking is that I can hold the vehicle at a certain highway cruising MPH, enable your AFM, then redial in your LTFT for that specific HZ zone, it could improve MPH even more.
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Old 07-13-2012, 03:57 PM   #14
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Phil, have you tried it much? They literally don't have the power to stay in 4 banger mode, they bog down really badly so I'm not sure if your idea is to keep them in DoD or what, but they almost have to switch back to 8 cyl on any kind of grade or in a head wind, etc. You can make it switch very smoothly though and keep it in longer than stock, etc....

Curious to see how it works for you though, if it works good, it could be big!
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Old 07-13-2012, 08:57 PM   #15
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I'm getting rid of AFM very soon. The hell with LOMA, getting me a valley cover and LS7 lifters. I will keep VVT though since it kicks ass on the street and at the track. The fuel saving is only about 7% with AFM combined with VVT. Is it really worth it?
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Old 07-13-2012, 11:08 PM   #16
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Nope. Getting rid of AFM was one of the best things I did to this car. It doesn't belong on a Camaro in any shape or form, in any gear or at any speed. Just my opinion
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Old 07-13-2012, 11:12 PM   #17
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Have they tested if it actually improves milage???

I know my L99 did not loose any milage after a good tune and turning off the AFM system so to me its a no brainer, get rid of it and the weak lifters along with it. That is my next upgrade to do, cam and LS3 conversion.
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Old 07-14-2012, 08:36 AM   #18
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Wow I'm so happy so many of you are getting rid of those lifters and afm! I think I'm gonna cry!
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Old 07-14-2012, 09:48 AM   #19
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Can you keep afm (tuned for 6th gear only) and get rid of the weak lifters?
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Old 07-14-2012, 09:55 AM   #20
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Can you keep afm (tuned for 6th gear only) and get rid of the weak lifters?

no, cant have afm/dod without afm/dod lifters
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Old 07-14-2012, 10:21 AM   #21
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Quote:
Originally Posted by Tampa Tuning View Post
Through Research and Development, Tampa Tuning has come across a method where you can keep your performance tune and great shifts, but when your in 6th gear cruising on the highway and meet a threshold of say 70 MPH and RPMs, your AFM would kick in and vehicle becomes a 4 cylinder again.

No flicking a switch because your computer is doing all the work. You'd just have to have it pre programed into the tune and meet requirements in of Speed and RPMs area in your tune. You'd still have drone as normal with low RPMs, but improved fuel milage.
www.TampaTuning.com
What's your thoughts,
Phil
This isnt anything "NEW" just so you know. ARD here in Houston has been doing this since 2009 when the Camaro first came out. ARD leaves it up to the customer when he wants it on and off. We've had a few guys keep it active in only 5th and 6th gear and they've also completely removed it and by their reports on long highway trips the fuel mileage was better with the afm turned on by 3-5 mpg from what I can recall.
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Old 07-14-2012, 10:21 AM   #22
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no, cant have afm/dod without afm/dod lifters
Then AFM has to go. I'll still stick with VVT though.
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Old 07-14-2012, 10:29 AM   #23
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This isnt anything "NEW" just so you know. ARD here in Houston has been doing this since 2009 when the Camaro first came out. ARD leaves it up to the customer when he wants it on and off. We've had a few guys keep it active in only 5th and 6th gear and they've also completely removed it and by their reports on long highway trips the fuel mileage was better with the afm turned on by 3-5 mpg from what I can recall.
exactly.
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Old 07-14-2012, 07:04 PM   #24
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Nope. Getting rid of AFM was one of the best things I did to this car. It doesn't belong on a Camaro in any shape or form, in any gear or at any speed. Just my opinion
AFM/DOD for a V8 Camaro was the worst idea in the long sad history of bad ideas.
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Old 07-14-2012, 08:15 PM   #25
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Getting rid of AFM was the main reason I blew the warranty.
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