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Day of the Dyno

  
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Day of the Dyno

 
Stunnin750 Stunnin750
User | Posts: 114 | Joined: 06/09
Posted: 08/15/09
07:02 AM

I'm about a month out from leaving Iraq and as soon as I get home I'm planning on installing all of the parts I've acquired since being here. For performance I've got v-stax, aftermarket air filter, scott's oil filter, upgraded sprockets and chain, power commander, larger/supposedly better conductive spark plug wires, and an aftermarket full exhaust. My question is, how do/should I go about getting my bike tuned on a dyno? Should I install all the parts at once then dyno it? Is it an all day process to run it over and over again to keep making adjustments or should it only take a few times or what's the process usually consist of? And how is the use of a dyno usually priced, is it hourly or by the day or what and how expensive is it typically? I don't want to go in not knowing anything and look completely retarded. I want to try to get it right the first time.  

 
dave_sonsky dave_sonsky
Administrator | Posts: 595 | Joined: 03/08
Posted: 08/17/09
04:53 PM

if you have a newer bike that supports the Power Commander V you can get the AutoTune accessory. then you don't have to go to the dyno b/c it does the tuning for you.

depending on how much cash you have...

you could install all the parts, then go to the dyno. after a couple runs the tech will determine if your air/fuel mixture is ok. if it is, you're done. should take 20 mintes from start to finish.
if it isn't, he'll load and/or adjust a fuel map into the power commander to get it right. this will add another run or two (bumping up the cost).

my advice? tell him you want 1 run to see how the air/fuel mix is, and maybe some mild tuning. just have him tell you up front all the costs.

it'll be around $70-90 for the initial runs. "tuning" it takes about 5 minutes, so make sure he doesn't jerk you around. if he does some tuning with additional runs I'd expect about $200 all said and done, but who knows. some shop guys are pricks while others are cool as hell.  

 
Stunnin750 Stunnin750
User | Posts: 114 | Joined: 06/09
Posted: 08/17/09
07:39 PM

I looked into getting the PC5 but it is only for the newest models. I have an 04 GSX-R 750 with the PC3 and the most I can do with that on my own is tune it for an aftermarket filter and exhaust. I'm sure it won't calculate for the other stuff and I want to get it as close to perfect as possible anyways so I would still use the dyno to fine tune it. I'll get it all done asap and post the results when I get them.

One more thing, I have a carbon fiber can and i heard that it's not very good to do extensive runs on a dyno due to the pipe heating up and possibly warping the CF, how much truth is there to that?  

 
dave_sonsky dave_sonsky
Administrator | Posts: 595 | Joined: 03/08
Posted: 08/18/09
08:46 AM

depends on the can. cheap carbon fiber can overheat. they have fans running and stuff though, so you'll be ok.  

 

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