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Author Topic: DP ECU + Stock exhaust ? Possible?  (Read 2125 times)
Raux
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« on: August 20, 2010, 02:08:30 PM »
What are the issues if I have to use my stock exhausts with the DP ECU and Freeflow filter?
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ducpainter
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DILLIGAF
« Reply #1 on: August 20, 2010, 02:23:39 PM »
It will be rich...

the stock exhaust might not flow as much as the filter and ecu are capable of delivering.
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Raux
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« Reply #2 on: August 20, 2010, 02:24:58 PM »
but it won't harm anything?
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ducpainter
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DILLIGAF
« Reply #3 on: August 20, 2010, 02:28:51 PM »
Quote from: Raux on August 20, 2010, 02:24:58 PM
but it won't harm anything?
As long as it isn't so rich that the fuel is washing the cylinder walls of oil it will just be kind of fat.

You'll know right away.
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Raux
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« Reply #4 on: August 20, 2010, 02:29:40 PM »
Quote from: ducpainter on August 20, 2010, 02:28:51 PM
As long as it isn't so rich that the fuel is washing the cylinder walls of oil it will just be kind of fat.

You'll know right away.

how?
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ducpainter
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DILLIGAF
« Reply #5 on: August 20, 2010, 02:33:39 PM »
Quote from: Raux on August 20, 2010, 02:29:40 PM
how?
If it's rich enough to do damage it will most likely belch black smoke and foul plugs.

If it runs and doesn't foul plugs you should be good.
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BK_856er
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« Reply #6 on: August 20, 2010, 03:01:50 PM »
Different bike altogether (M695) but fwiw I ran several combinations over the course of a few weeks as an experiment, in the following order:

DP ecu + stock airbox + stock cans

DP ecu + stock airbox + termi cans

DP ecu + DP airbox + termi cans

No issues for me with any of the combos, and no adjustments in between.  Plugs continued to look fine.

BK
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« Reply #7 on: August 20, 2010, 06:04:18 PM »
The 695 is running DP ECU with stock exhaust and pods with velocity stacks. It's not as smooth as it was when I had the termis on, but it's better than just stock for sure.
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Raux
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« Reply #8 on: August 20, 2010, 09:56:54 PM »
K i will watch it.
I'm running DP ECU + DP Filter + Stock exhausts
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« Reply #9 on: August 21, 2010, 02:11:04 AM »
Quote from: Raux on August 20, 2010, 02:08:30 PM
What are the issues if I have to use my stock exhausts with the DP ECU and Freeflow filter?
Why would you NEED to run DP ECU and freeflow air filter??  If you need to run the stock cans..... do you not have a stock air filter and ECU you could use?   Not that I think running with the DP ECU and freeflow filter will cause you any issues anyway.

Quote from: ducpainter on August 20, 2010, 02:23:39 PM
It will be rich...

the stock exhaust might not flow as much as the filter and ecu are capable of delivering.
How will it be rich?  If the DP ECU fuels the bike more than the stock ECU will not the greater capacity of the air filter to deliver..... more air.... compensate for that??  I think the stock exhaust will make as much fuelling difference to race ECU/freeflow filter combo as does the fitting of aftermarket cans to a bike running the stock ECU/air filter.  And theres plenty of bikes getting around like that with seemingly with no detrimental issues. 

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Raux
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« Reply #10 on: August 21, 2010, 10:07:03 AM »
well rode a couple of hundred Km's today. had the engine light come on when i was tooling around in town after a traffic jam. pulled over, turned off then on.. no light.... hmmmm

but other than than DAMN the dp ecu and 15t sprocket... silly quick... i kept thinking my speedo was off,
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