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Puddle Jumper
Posts: 5
| Hello everyone, I am new to the forum. I just had some work done to my 08 vision street. Lloydz VM1 cams, PCV, S1L2 exhaust, Intake plate, Hi flow air filter. I took it last week to get dyno tuned, and my numbers were very very BAD. 90.67HP/91.54TQ. I found out after it got tuned,that I still have my o2's in. So I think maybe thats the problem, but I am not sure. Please let me know, Thanks. PS, I live in the Houston area and the only place I could find to get it tuned was a Harley dealer. |
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Cruiser
Posts: 111
Prairie Dog Heaven, CO | How does the bike feel to you? Dyno runs have to be taken with a grain of salt - very specific to location, ambient conditions, etc.
That said, while I have done nothing to my Vision, a good friend had a power commander V and aftermarket exhaust system on one of his street bikes and I helped him put it on. The O2 sensor still present would have indeed overridden the power commander. His PC came with a dummy plug for the O2 sensor and the sensor had to be removed for all to work correctly. |
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Visionary
Posts: 1484
LaPorte,Tx. | WOW, that's really low on the HP and torque. I'm wondering who did all the work for you? You should call Lloydz he should be able to give you some insight on what is going on. Also, have you tired the Victory dealers in the Houston area? I'm sure they can guide you to the right tuning and dyno. I'm pretty sure my O2 sensors are just unplugged.
Edited by VisionTex 2010-11-15 10:54 AM
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Cruiser
Posts: 111
Prairie Dog Heaven, CO | Sorry, re-reading your post here. You said "O2's still in" I read that as "still plugged in" if you unplugged them that should indeed do it. The dummy plug is just to protect the bike side harness.
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Iron Butt
Posts: 935
Rockford, IL | I'm betting that it was dyno'ed in 6th gear rather than 5th. |
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Puddle Jumper
Posts: 5
| For VisionTex, Team Mancuso powersports did all the work for me, and I asked them if they new of any good places to get it tuned. They told to try the harley dealer because thats the only one they new of worth a damn around me. |
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Puddle Jumper
Posts: 5
| picard, The bike has more power, but not like everyone else talks about. Yes, the o2's are still pluged in. |
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Cruiser
Posts: 111
Prairie Dog Heaven, CO | Unplug them and ride again.
The tuning place should have known to unplug the O2s. |
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Visionary
Posts: 4278
| What does KevinX say.
If you ever need plugs go to a auto store and look in the oil drain pan section there the same thread as most 02 sensors |
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Iron Butt
Posts: 1117
Northeast Ohio | For the money, I would get the autotune kit from dynojet for your PCV and be done. You did say you got a Power Commander 5, right? You are going to pay at least $150 for a tune. You are halfway there to getting the AT-100 for your PCV. |
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Tourer
Posts: 523
seattle, wa | The bike should be in 5th gear.
O2 sensors unplugged.
I had my bike first dynoed at the same dealership I bought the bike from, they didn't know what they were doing and I got a 82HP reading, I knew that was low. I took it to a better dealer and had them dyno it (after I argued with the service counter that any bike can be dynoed) and they came up with a 106HP reading.
So there ya go, unplug the O2 sensors, tell them to dyno it in 5th gear, and see what they come up with. |
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Visionary
Posts: 3773
Pittsburgh, PA | did you get the stock cams back? those numbers look like stock cam numbers.......... |
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Cruiser
Posts: 169
The Vic Shop - Central Iowa | Does the bike feel faster - the same - or like it runs worse? Either the dyno operator messed something up, or the cams are out of time or some other mechanical error. |
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Visionary
Posts: 4278
| RYLAN should he have gotten a download for the ECM or not.
TKS
Edited by john frey 2010-11-15 7:13 PM
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Puddle Jumper
Posts: 5
| The bike definitely feels faster, just not a huge difference. It lags a bit when I pull back on the throttle. |
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Puddle Jumper
Posts: 5
| Yes, they gave me back my stock cams. |
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Cruiser
Posts: 169
The Vic Shop - Central Iowa | john frey - 2010-11-15 7:12 PM
RYLAN should he have gotten a download for the ECM or not.
TKS
Not needed, the PC would've covered that. |
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Cruiser
Posts: 169
The Vic Shop - Central Iowa | Can you post the dyno graph? |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | With that kind of torque number the bike was run in 6th, and they screwed the pooch on the tune |
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08 vision(HELP)
