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05-23-2011, 08:48 PM
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#1 |
  
Drives: 2011 IOM 2SS/RS Join Date: Dec 2010
Location: Chatham, Illinois
Posts: 756
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Tune out DFCO with EFI Live?
Anyone know how to safely tune out the DFCO with EFI Live? Can I just set the enable temp to an abnormally high temp? I'm tired of listening to it pop when I downshift.
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American Racing 1 7/8" Headers and Hi-Flow Cats, CAI cold air intake, Flowmaster AT exhaust, Vengeance Racing Stage 2 cam, VMax ported throttle body, TEA valve springs and titanium retainers, Trick Flow hardened pushrods, 180* T-stat, Comp Trunion kit, ZL1 Fuel Pump, ADM Fuel Pump Control Module, 20% window tint, Whipple Supercharger. Tuned by Mike Norris Motorsports. 656rwhp/584rwtq @10 PSI.
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05-24-2011, 05:22 AM
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#2 |
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Drives: 1999 Trans Am Join Date: Jul 2009
Location: Bridgewater,Ma
Posts: 2,017
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The pop probly isn't DFCO. It's ussually timing related.
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05-24-2011, 07:04 AM
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#3 |
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Drives: 2011 IOM 2SS/RS Join Date: Dec 2010
Location: Chatham, Illinois
Posts: 756
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It has done it ever since it was new. It only became loud after the headers and exhaust. It was present before and after the tune.
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American Racing 1 7/8" Headers and Hi-Flow Cats, CAI cold air intake, Flowmaster AT exhaust, Vengeance Racing Stage 2 cam, VMax ported throttle body, TEA valve springs and titanium retainers, Trick Flow hardened pushrods, 180* T-stat, Comp Trunion kit, ZL1 Fuel Pump, ADM Fuel Pump Control Module, 20% window tint, Whipple Supercharger. Tuned by Mike Norris Motorsports. 656rwhp/584rwtq @10 PSI.
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05-24-2011, 02:14 PM
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#4 |
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The Hof
Drives: 2010 IOM Camaro 2SS/RS Join Date: Jan 2010
Location: Jamestown, RI
Posts: 825
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its fine leave it alone and enjoy your fuel economy.
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05-24-2011, 07:25 PM
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#5 |
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Drives: 1999 Trans Am Join Date: Jul 2009
Location: Bridgewater,Ma
Posts: 2,017
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It's not really for fuel savings. More to help decel the car.
The stock tune can bring it down to -8 degree's of timing while cutting down fuel. I tune it to go only as far as +4 degree's which takes out most,if not all of the decel pop. |
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06-01-2011, 11:25 PM
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#6 |
 
Drives: Something Fast Join Date: Feb 2010
Location: NC
Posts: 32
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You can disable DFCO by pushing the parameters to unrealistic settings in tables B2406 through B2410. I would try playing with DFCO spark timing first, I'd bet you could get most of the "pop" out that way.
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06-02-2011, 03:41 AM
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#7 |
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I just posted something on this that may help.... you can get rid of most of the popping via dfco spark entry tables. Im not sure the Efi Live terminolagy but the P0068 test may still need tweeking. to test this: from an idle, put the trottle to the floor, and let off instantly. If the P0068 needs work it should instantly go into "redused power mode" or atleast mine did. hope this helps
http://www.camaro5.com/forums/showthread.php?t=150576 chris |
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06-02-2011, 06:45 AM
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#8 |
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The Hof
Drives: 2010 IOM Camaro 2SS/RS Join Date: Jan 2010
Location: Jamestown, RI
Posts: 825
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I shifted my mph range up a few so that I don't get as much popping around town, works fine for me and I keep the benefits of the Highway mpg. If I use cruise at 65 I'm getting 25.7 mpg (I got this on my way up to tewksbury last week)
I believe it does effect fuel economy. Although it does help decel the car too. Ken
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06-05-2011, 10:59 PM
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#9 |
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1,425 hp / supercharged
Drives: (2010 2SS/L99) (1999 Corvette) Join Date: Oct 2009
Location: Austin, TX
Posts: 1,104
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Why do want to get rid of the decel pop? You don't want it to sound like a muscle car?
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"If it's too loud...well, you know the rest."
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06-18-2011, 07:58 AM
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#10 | ||
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Drives: 2011 IOM 2SS/RS Join Date: Dec 2010
Location: Chatham, Illinois
Posts: 756
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Quote:
Thanks for the advise guys.
__________________
American Racing 1 7/8" Headers and Hi-Flow Cats, CAI cold air intake, Flowmaster AT exhaust, Vengeance Racing Stage 2 cam, VMax ported throttle body, TEA valve springs and titanium retainers, Trick Flow hardened pushrods, 180* T-stat, Comp Trunion kit, ZL1 Fuel Pump, ADM Fuel Pump Control Module, 20% window tint, Whipple Supercharger. Tuned by Mike Norris Motorsports. 656rwhp/584rwtq @10 PSI.
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