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Old 05-03-2009, 11:16 AM   #1
cdill35
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PCIII - Enlighten Me

So I installed a full yoshi R55 and a PCIII on my 07GSXR750 track bike. Had a "standard" map installed. I get to the track and at about 13k rpm, bike misses badly...as if I am bouncing it. So I come in...cant disconnect the ground from the PCIII cuz the bike wont start if I do. So I borrow a lap top and zero out the map. Basically set everything to zero and the bike runs fine again.

I am only assuming that the map was wrong. I dowloaded, from dynojet, a basic map for my bike with my exhaust. The rain prevented me from using that map and trying it.

Is this more complicated than just using a map that dynojet/powercommander has online?

My understanding is that my stock engine, running pump gas doesnt need a custom map.

Enlighten please.
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Old 05-03-2009, 11:40 AM   #2
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Suzuki did a shoot out w the busas. 13 models back to back off the assembly line. there was almost a ten hp difference between the lowest and highest model.

Each individual bike will be different. The general maps will get you by but wont compensate for blowbye or cylinder indifference. If its missing that bad it may be far too lean for the bike.
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Old 05-03-2009, 11:49 AM   #3
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Suzuki did a shoot out w the busas. 13 models back to back off the assembly line. there was almost a ten hp difference between the lowest and highest model.

Each individual bike will be different. The general maps will get you by but wont compensate for blowbye or cylinder indifference. If its missing that bad it may be far too lean for the bike.

Its not missing anymore because it is zeroed out. Basically bypassed I guess.
So, you say custom?
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Old 05-03-2009, 12:17 PM   #4
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Sounds like you got a bad PC3, swing by the house and drop it off and I'll use it. You can go to Motorcycles Unlimited and get a new 1
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Old 05-03-2009, 12:46 PM   #5
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time for a tune.
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Old 05-03-2009, 09:33 PM   #6
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Dill, get a custom map. You'll love the smoothness of delivery after it's done. It's almost like turning it into an electric motored machine.

Make sure to be patient with the tuner and give them plenty of time (even thought it only takes a couple of hours). Generally, they appreciate that a lot more.
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Old 05-04-2009, 03:03 PM   #7
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I really know nothing about the maps or PCIII as well. My bike came with a PCIII when I bought it, but it was not plugged in. So I plugged it all up and ran it as it was, and it ran fine at first, but once it got warmed up it would start to bog badly on and off under full throttle.

I immediately unplugged it all and ran it disconnected again. I since went to the PC website and got a map for my bike with the graves exhaust and since then it has ran fine. I am not sure what was causing it in the first place, but since I put a new map on it, it ran just fine.

I will be getting a custom map made for the bike sometime next month, just to get everything I can out of the PCIII.
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Old 05-04-2009, 03:07 PM   #8
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I roll stock...who needs all these expensive upgrades to keep up? ha ha!
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Old 05-04-2009, 03:10 PM   #9
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Old 05-04-2009, 03:26 PM   #10
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Old 05-04-2009, 03:35 PM   #11
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I roll stock...who needs all these expensive upgrades to keep up? ha ha!
Well, let's see.... YOU DO. Ba ha ha ha ha.
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Old 05-04-2009, 03:44 PM   #12
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those maps online are a generic baseline to start with. just something as basic as differences in elevation between where the map was generated and our location here at sea level will make a drastic difference.
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Old 05-04-2009, 06:14 PM   #13
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Well, let's see.... YOU DO. Ba ha ha ha ha.
I need to outride this bike before getting upgrades....and that ain't gonna happen. I'm cool having fun at the level I have achieved. Still working on getting out of the pits. ha ha
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Old 05-04-2009, 06:23 PM   #14
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I need to outride this bike before getting upgrades....and that ain't gonna happen. I'm cool having fun at the level I have achieved. Still working on getting out of the pits. ha ha
Well, when you try a race, which you will , and you work your off to get around peeps in the infield, and the lightasses pass you back, on the front straight, on a 600...well...you'll start looking.
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Old 05-04-2009, 06:31 PM   #15
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After pipe & pc111 I tried three different downloaded maps and wasn't pleased with any of them. Had a custom tune done and could not be any more happy with the way it runs. Runs cooler, more hp, more tq, better mileage when cruising, much better throttle response. In my opinion based on my experiences the generic maps were . Spend the money, the tune will get the most out of pipe and pc
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Old 05-04-2009, 07:00 PM   #16
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dude did they email it to you? I've had this problem a million times, the file gets corrupted when sent online some how.. just call brandon and swing by Motorcycles Unlimited he can throw a map on there in 5 minutes
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Old 05-04-2009, 08:41 PM   #17
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Maps are individual for bikes. A d/l map may work, may not. If you're going to put a full system on a bike you need to map it. If you're deleting the cat with a slip-on, you need to map it.

Very, VERY rarely are you going to be able to get someone else's map to work on your bike at optimum.

I did the slip on from M4 that deletes the cat and Andy at Metric tuned my stock ECU for me. No fuss, no muss, didn't spend $300 on a PCIII + tune.

You can try different maps and hope that it is right for your bike and then try another and another and another, or you can get it tuned and have it done right and never have to mess with it again
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Old 05-10-2009, 03:08 PM   #18
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Maps are individual for bikes. A d/l map may work, may not. If you're going to put a full system on a bike you need to map it. If you're deleting the cat with a slip-on, you need to map it.

Very, VERY rarely are you going to be able to get someone else's map to work on your bike at optimum.

I did the slip on from M4 that deletes the cat and Andy at Metric tuned my stock ECU for me. No fuss, no muss, didn't spend $300 on a PCIII + tune.

You can try different maps and hope that it is right for your bike and then try another and another and another, or you can get it tuned and have it done right and never have to mess with it again
Are you saying you don't need a Power Commander or similiar to tune a bike with some bolt on's? What does it run? I have the same bike as cdill35. I have a M4 slip on but am thinking of deleting the set valve and adding a better air filter.
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