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Ducati Monster Forum
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Effects of modded air box
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Topic: Effects of modded air box (Read 2393 times)
Ivan
Sr. Member
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Posts: 289
Turn 3 at Streets of Willow
Re: Effects of modded air box
«
Reply #15 on:
May 12, 2009, 03:49:30 PM »
Quote from: Scotzman on May 12, 2009, 11:30:05 AM
Approximately, how much is it to have your fuel system remapped and how bad do the mpgs suffer?
You need a Power Commander and about 3 hours on a dyno. I don't know how it would affect
your
mpg, my S2R1K gets around 42 mpg unless I'm really flogging it.
«
Last Edit: May 12, 2009, 03:57:50 PM by Ivan
»
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Sold: 2007 S2R1000 for canyon carving and commuting - DP ECU, PCIII, BMC air filter with open box, Zard full exhaust, Race-tech fork internals, Ohlins steering damper, and a Penske 8987 triple clicker
2000 996XU (extra ugly) for track days - BST carbon wheels, Ohlins shock, reworked fork, FBF exhaust, and a bunch of megacycle rocker arms. The rest of it is junk - Hey, I'm just happy that it runs...
Sold: 2002 Aprilia RST1000 for touring - De-restricted airbox, Taylormade Racing exhaust
Ivan
Sr. Member
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Posts: 289
Turn 3 at Streets of Willow
Re: Effects of modded air box
«
Reply #16 on:
May 12, 2009, 03:56:06 PM »
Quote from: erik822 on May 12, 2009, 11:08:32 AM
True. But the gains at lower RPMs are more related to the remapping than they are to the open airbox. If you remap your bike you'll see gains down low because you are "fixing" the fueling restrictions that are in place in order to meet emissions requirements.
I should have qualified my statement, but it thought it was obvious... IMO there is nothing to be gained by opening the airbox unless the fueling is modified accordingly. Without a change in fueling, it will likely run worse at all rpms because an already lean engine will be that much leaner.
Edited to add: I understand that some have had good results by just opening the airbox, but when I had my bike dyno'd with the stock ECU, no PC, and open airbox, it showed that the AFR was higher than 18. I think it is really a crapshoot, so if you're not going to invest the time/money to do it right, you're better off not changing anything.
«
Last Edit: May 12, 2009, 04:07:50 PM by Ivan
»
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Sold: 2007 S2R1000 for canyon carving and commuting - DP ECU, PCIII, BMC air filter with open box, Zard full exhaust, Race-tech fork internals, Ohlins steering damper, and a Penske 8987 triple clicker
2000 996XU (extra ugly) for track days - BST carbon wheels, Ohlins shock, reworked fork, FBF exhaust, and a bunch of megacycle rocker arms. The rest of it is junk - Hey, I'm just happy that it runs...
Sold: 2002 Aprilia RST1000 for touring - De-restricted airbox, Taylormade Racing exhaust
Scotzman
Now that's thinking with your
Hero Member
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Posts: 715
Re: Effects of modded air box
«
Reply #17 on:
May 12, 2009, 07:46:01 PM »
Thanks for the input. I think I'll just leave it stock for now instead of dealing with remapping it. The beautiful sound of chopped exhaust is good enough for me now anyways. Plus, there's no issues getting to the safe and legal limit on the freeway
.
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"Get your haggis right here. Chopped heart and lungs boiled in a wee sheep's stomach.
Tastes as good as it sounds. Good for what ales you."
♣ McKraut ♣
Hero Member
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Posts: 3177
touched by his noodly appendage
Re: Effects of modded air box
«
Reply #18 on:
May 13, 2009, 05:54:32 AM »
yeah, the sound is cool for sure, but i tried it on mine (stock mapping) for a little while and had to go back to a stock lid; it made already present popping condition even worse. maybe some day if i decide to get my ECU flashed, or go the pcIII route again...
Logged
2001 M600 Dark
2005 S2R Dark
2001 M750
1996 900 SS/SP
2005 S4R
- Dallas, TX
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