Dyno - My BSometer went Ding!
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Cruiser
Joined: Aug 2010
Posts: 163
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Dyno - My BSometer went Ding!
I had my bike Dyno'd and the dealer said it took 10 hours (though they only charged me for 8).
Does this seem right? I'm thinking even 8 is excessive. I was thinking 4 max.
I can't complain too much as they did some other unrelated non-warranty work at no charge (long story don't ask).
So if I was over charged it wasn't by a lot.
I do know that the trip was set to basically zero when I brought it in and was at 150 when I picked it up.
Could it be true that my rig required that much time?
103 stage IV
SE heavy breather
SE SERT
Thunderheader pipes
I'm thinking I got a rookie and he just took to long?
My Dyno #'s were
105hp
106 torque
This is about what the SE catalog says the stage IV gets but I thought it might be a little higher with the heavy breather and 2:1 pipes. Yes? No? Maybe?
I was under the impression that the SE catalog was showing results with stock pipes and stock air breather. Did I just not understand what I was reading?
Anywhoos, I'm not un-happy as the girl has plenty of haul *** in her. I'm just curious if anyone else finds 10 hours curious and if maybe I shouldn't have slightly better dyno #'s
Thanks in advance
Does this seem right? I'm thinking even 8 is excessive. I was thinking 4 max.
I can't complain too much as they did some other unrelated non-warranty work at no charge (long story don't ask).
So if I was over charged it wasn't by a lot.
I do know that the trip was set to basically zero when I brought it in and was at 150 when I picked it up.
Could it be true that my rig required that much time?
103 stage IV
SE heavy breather
SE SERT
Thunderheader pipes
I'm thinking I got a rookie and he just took to long?
My Dyno #'s were
105hp
106 torque
This is about what the SE catalog says the stage IV gets but I thought it might be a little higher with the heavy breather and 2:1 pipes. Yes? No? Maybe?
I was under the impression that the SE catalog was showing results with stock pipes and stock air breather. Did I just not understand what I was reading?
Anywhoos, I'm not un-happy as the girl has plenty of haul *** in her. I'm just curious if anyone else finds 10 hours curious and if maybe I shouldn't have slightly better dyno #'s
Thanks in advance
Road Master
Joined: May 2009
Posts: 983
Likes: 4
From: Fredericksburg, Va
The more time the more accurate / custom the tune is. If you look at the tables within the ECM you can adjust every rpm across the spectrum and have the AFR adjusted to such. So your question is relative. 4 hours is what mine initially took then I took it back cause it was way to rich...he spent another 2 hours and Im good now. 10 hours at a dealer just makes me cringe...but hey like the dealer says..if your happy thats all that matters right?
Outstanding HDF Member
Joined: Oct 2007
Posts: 2,018
Likes: 6
From: Edmond, Ok
10 hrs is not unheard of when getting a GOOD tune. It could be that the tuner was somewhat of a rookie, and learning......or he was a good tuner and a perfectionist who wanted to get every ounce of power out of your build. The heavy breather probably won't gain you anything over the Stage I air cleaner. Now, a good 2-1 will definitely help.
Road Captain
Joined: Apr 2010
Posts: 671
Likes: 159
2-1 pipes mostly help low end torque I dont think you should see a huge overall increase in the powerband. 10 hours is high and I doubt they would set a rookie loose on your bike and call it a day without giving him a little guidance. 150 miles on the dyno is quite a bit I think.
My only question is why do they charge by the hour? Most dyno places I know of have a flat dyno rate. They tune as best they can and however long it takes is on them.
My only question is why do they charge by the hour? Most dyno places I know of have a flat dyno rate. They tune as best they can and however long it takes is on them.
Thread Starter
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Cruiser
Joined: Aug 2010
Posts: 163
Likes: 0
The more time the more accurate / custom the tune is
10 hrs is not unheard of when getting a GOOD tune. It could be that the tuner was somewhat of a rookie, and learning......or he was a good tuner and a perfectionist who wanted to get every ounce of power out of your build
As long as that many hours is not complete BS then I have no complaints.
I will say that the tune really smoothed out the rough places from the engine mods.
First impressions (I didn't push her to hard because of traffic)
The two wheeled GF is smooth and fast. Heck she doesn't even wake up in 5th gear 'till 80+
4th gear at 65/70 she isn't even breaking a sweat.
Thanks agin.
Thread Starter
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Cruiser
Joined: Aug 2010
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My only question is why do they charge by the hour? Most dyno places I know of have a flat dyno rate. They tune as best they can and however long it takes is on them.
I agree it takes as long as it takes and I prefer it takes as long as it needs to, to do a good job.
I was just making sure that it does in fact take that long to do a good job.
Sometimes I over think things. Meh, it's a personality flaw.
Last edited by Spork; Jun 8, 2011 at 10:02 PM.
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Road Captain
Joined: Apr 2010
Posts: 671
Likes: 159
They charge by the hour. Like I mentioned earlier they took care of me big time in other areas. So I'm not really worried about the cost IF it is justified.
I agree it takes as long as it takes and I prefer it takes as long as it needs to, to do a good job.
I was just making sure that it does in fact take that long to do a good job.
Sometimes I over think things. Meh, it's a personality flaw.
I agree it takes as long as it takes and I prefer it takes as long as it needs to, to do a good job.
I was just making sure that it does in fact take that long to do a good job.
Sometimes I over think things. Meh, it's a personality flaw.
It happens. If you dont mind me asking how much is the cost per hour for a dyno tune there? I believe its around $350-380 for a dyno tune here which puts it around $40 an hour for a dyno tune depending on how long it is... average 8-10 hours.
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Thread Starter
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Cruiser
Joined: Aug 2010
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It happens. If you dont mind me asking how much is the cost per hour for a dyno tune there? I believe its around $350-380 for a dyno tune here which puts it around $40 an hour for a dyno tune depending on how long it is... average 8-10 hours.
My buddy had his bike done at the same place and they took about 3-4 hours and charged him about 350/380. His took 6+ hours less. However, he doesn't have the engine/other mods I do.
Looks like $700 maybe excessive BUT they took real good care of me in other places so I can't complain.
If it took 8-10 hours to do a good job then I don't have a problem paying for a good job.
I just wanted to verify that 8-10 hours is not an unusual time to do a good job.
Thx
Road Master
Joined: Feb 2011
Posts: 784
Likes: 10
From: SE Pennsylvania
I've never had a bike put through the rigors of a stressfull Dyno test. I've been at dealers when bikes were being 'tuned" and, man, they really crank on that throttle and let it run like that for a long time. Seems damaging, to me. I've always been leary of that and it all seemed a little hoaky to me. Granted, I've never had big performance mods made to my engine either, so I understand what making those enhancements mean to re-tuning an engine. I had an '02 Fatboy that I put on pipes and a SE air intake. I rejetted the carb myself and the plugs were good and it ran fine. I have an '11 Crossbones that I put on Rush exhaust, a SE air intake, and just like I did with the carbuerated Fatboy, I made a simple mod to richen up the air/fuel mix and the plugs are good and it runs fine. Hey, I know I'm a sceptic, but my bikes have run well with a couple simple changes to add more fuel to balance out the increase in air I had coming in and going out. If I'm lucky, then I'll take it! I don't ever see myself increasing the bore stroke on my bike but, if I did, then I'd certainly have to take tuning to a different level.