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Any reason NOT to enable Accelerator Pump On PC-V?

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Old Mar 16, 2009 | 04:32 PM
  #1  
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Default Any reason NOT to enable Accelerator Pump On PC-V?

I just ordered a Power Package from Jaime at Fuelmoto with the PC-V and larger baffles in the Dyno tuned series jackpot mufflers for my '09 Roadking.

I saw that they don't normally ship them with the accelerator pump or rev extend features enabled. I called back and spoke to a young lady and asked her to enable them for me.

I was just wondering why they wouldn't enable these features unless you ask them to. The rev extend I can understand but is there any reason not to enable the Accel. pump that you guys know of?

Jaime is going to ship my order tomorrow and I wanted to get some opinions on this so if I'm making a mistake I can call him back before he ships my stuff tomorrow.
 
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Old Mar 16, 2009 | 04:45 PM
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Elvis,

Only down side of the accel pump is that it uses more fuel.

GhostBagger.
 
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Old Mar 16, 2009 | 04:57 PM
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You can do it yourself. It's very easy. Or if you are getting a dyno tune, the tuner will do it for ya.
 
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Old Mar 16, 2009 | 05:17 PM
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...it won't do anything..you'll see...no difference that you can feel...otherwise everyone would do it...and yes...I had mine Dyno'd....
 
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Old Mar 16, 2009 | 05:59 PM
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The accelerator pump feature is a waste of fuel for all but the most aggressive builds.
I did do the rev extend but the only time I went up to 6200 was to see if I changed it properly.
 
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Old Mar 16, 2009 | 09:36 PM
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I downloaded and installed on my 06 road glide that I built into a 95". Had a ping problem when rolling on the throttle, this took care of it.
 
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Old Mar 16, 2009 | 10:06 PM
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From first hand tuning experience I do not recommend using the Acc pump on a stock displacement 08-09 DBW model. This can create less than desireable throttle response on these bikes.
 
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Old Dec 15, 2015 | 08:01 AM
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Default How about on a 2010?

I just found out about the Accel Pump feature, so I decided to enable it. I put in 90% throttle, 15% fuel, and 30 revs.
The biggest difference I noticed was the lack of throttle lag now, and it seemed to rev much quicker and with snap. Compared to my wife's 2015 Fatboy (which is a freaking rocket), the response is much better.

So, in a nutshell, I like the feature enabled. As for mpg, gas is pretty cheap these days ($2.15 gal 93 octane) so I'll just keep and eye on it.

Cheers.
 
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Old Dec 15, 2015 | 12:34 PM
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I think the above posts show that sometimes it's a plus, other times not so much.

as with many things "tuner" the results depend on the person entering the settings and their understanding of how a motor works- not so much the device.

Mike
 
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