DYNO #s weak???? - 600RR.net
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post #1 of 12 (permalink) Old 10-05-2009, 03:12 AM Thread Starter
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DYNO #s weak????

well i just got my bike "custom" dyno tuned. with pwr commander, k&n air filter, arrow slipon pipe. my hp went from 103.9 to 106.5 and torque 43.28 to 43.5 my ? is should i have gotten more out of a "CUSTOM" dyno tune. thanks. and is there a way to check the tune job.
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post #2 of 12 (permalink) Old 10-05-2009, 03:31 AM
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I assume you got it dyno tuned at the same place, under the same conditions.
Can you post your dyno chart. Just because you got little gain in your peak numbers doesn't mean it was a bad cutom tune. Maybe you got bigger gains at other rpm's.
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post #3 of 12 (permalink) Old 10-05-2009, 03:55 AM
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You're not going to get much with just a slipon either. The full exhaust is where you would have seen more of a gain and running racing fuel, higher compression motor.
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post #4 of 12 (permalink) Old 10-06-2009, 09:13 PM
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As stated above the peak numbers don't mean much. You need to post the full dyno sheets with afr's to really see the difference. you may have gained a lot of mid range. You may have been too lean to start with (more hp but dangerous on the engine) so they richened it up a bit so yes you won't gain as much hp, but it's safer on the engine and still the best way to go. Hard to tell anything with just peak numbers. Best to have both sheets showing the graph of the hp/torque and air to fuel ratio. If you ask the company that did it i'm sure they get you those graphs of before/after.

For example yes you only gained a few on the peak, but what if you gained 8hp at 9000 rpm? that's huge. Hard to tell much of anythin without the full charts.
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post #5 of 12 (permalink) Old 10-08-2009, 07:59 PM
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Ah the most important things are usually left on the table, what octane gas and brand are you using?

I prefer 91 octane shell myself

Last edited by stormy; 10-08-2009 at 11:02 PM.
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post #6 of 12 (permalink) Old 10-08-2009, 11:51 PM
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this guy still has not posted any charts, but I like 93 and shell is usually my 1st option but lately I have been using sunoco
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post #7 of 12 (permalink) Old 10-09-2009, 01:39 AM
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93 octane is difficult to find in so cal and usually very expensive when you do. Definitely not something you would want an optimized tune for if you were living here though.
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post #8 of 12 (permalink) Old 10-09-2009, 02:58 AM
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change your oil and youll get more power.






Quote:
Originally Posted by struckbylitenin View Post
I wanna learn from the master king dingaling
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post #9 of 12 (permalink) Old 10-12-2009, 12:33 AM
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^^ honestly or sarcasm?
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post #10 of 12 (permalink) Old 10-13-2009, 02:05 PM
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^^ honestly or sarcasm?
Honestly. But you're forking out big money and it's 1-2hp at best.
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post #11 of 12 (permalink) Old 10-13-2009, 09:38 PM
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Are there certain temperatures and humidity that dynos are supposed to be taken at? Like is there a "base" or "control" for any of this testing, and then the machines are calibrated to adjust to differences?

Bungle in the Jungle!!!



Beep Beep m' Beep Beep YEAH!!!
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post #12 of 12 (permalink) Old 10-14-2009, 12:11 AM
 
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post dyno charts
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