Author Topic: Guhl ecu tune for Full AREA P exhaust  (Read 13494 times)

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Offline LakeTrax

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #25 on: July 03, 2013, 06:15:11 pm »
BTW: My SOTP dyno said my connie has way more HP's than yours!
That may be true matt, but I just installed a heated Corbin last weekend so I know my SOTP is at least warmer than yours! :nananana: :rotflmao:

Offline mattchewn

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #26 on: July 03, 2013, 06:37:54 pm »
So are you trying to say your a hot piece of a@@?
Matt
2018 H2 SXSE.  (FAT SXSE)
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Offline LakeTrax

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #27 on: July 03, 2013, 06:44:04 pm »
Yes, but only when riding my C14 in brisk conditions! :))

Offline cklamer

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #28 on: July 03, 2013, 06:45:51 pm »
Pretty much why I have my dyno tuner do a 5th gear and a 6th gear run.
Gives me an average. But most don't like to do the 6th gear runs because they are usually overdrives.


Offline Egodriver71

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #29 on: July 03, 2013, 07:07:58 pm »
But most don't like to do the 6th gear runs because they are usually overdrives.

Most, but not the C14
Thomas Mann
Jacksonville, FL

COG #8321

1930 Indian 101 Scout (the first bike)(still in the garage)
1986 Yamaha Radian (the first modern bike)(Sold)
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2009 Kawasaki Concours 14 (Second Chance)

Offline Sleach1400

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #30 on: July 04, 2013, 12:31:44 am »
Every dyno operator I have ever dealt with (4'th bike ive done) has used 4'th gear for all power pulls. On my zx 14, the dyno operator showed me the runs in fifth and sixth gears and they read higher than the 4'th gear runs. He said that that is how some dyno operators cheat the numbers. I doubt if all 4 different shops are doing this wrong. I have seen many other dyno pulls on other bikes where they also use 4'th gear.. Idk.. I understand that gear reduction increases torque, but the dyno compensates for this I believe, in the settings.
"You just can't teach common sense..
 Nor can you fix stupid..."

2012 Concours 1400, full Area P carbon exhaust system, Shoodaben ECU tune, Project D radiator guard, 1 5/8' bar risers, throttlemeister, Buell pegs, Grip Buddies, The2wheels adjustable levers. Cee bailey ultradome, Phils rack, Laam seat.. To be continued..

Offline LakeTrax

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #31 on: July 04, 2013, 12:45:13 am »
Yes and yes... 4th gear roll-on's are the norm for a "pull".

Offline harry

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #32 on: July 04, 2013, 01:27:36 am »
Scott,

I have the same setup as you. I had my ECU re-flashed before the run you did.

Is it worth it to send my ECU back to update it to your specs?

I  was looking at the Area P dyno results and , as you say, they we quoting 160 hp and 110 lb/ft. I was hoping I would get those numbers.
They were using a different fuel computer system, not a re-flash. So they're low to mid range showed little improvement.

Still, I am happy with my current performance.

Thanks,
Harry

Offline Sleach1400

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #33 on: July 04, 2013, 11:35:01 am »
Scott,

I have the same setup as you. I had my ECU re-flashed before the run you did.

Is it worth it to send my ECU back to update it to your specs?

I  was looking at the Area P dyno results and , as you say, they we quoting 160 hp and 110 lb/ft. I was hoping I would get those numbers.
They were using a different fuel computer system, not a re-flash. So they're low to mid range showed little improvement.

Still, I am happy with my current performance.

Thanks,
Harry

Harry,

 Going by what I saw for air fuel ratio numbers when Don installed the slip on tune, with my full exhaust, I would personally do the update.. It still made good power with the slip on tune, significantly better than the stock tune, but he made quite a few fuel table changes to the slip on tune to settle down the air fuel ratio swings. Part of the reason I went through all this considerable expense, was so that other COG members and connie riders would have another option than using the PCV, when using a full exhaust.

If it were me, I would call Guhl motors and speak with Don, and see what he thinks about updating the ecu tune in your application. He is a wealth of information, and would be able to tell you if it was worth doing or not. I am assuming that he will be offering my set up along side of the stock bike, and slip on tunes.

I too was hoping for those 160 or even 150 hp dyno graphs that everybody speaks of, but it is what it is I guess. All dynos and operators are different. I can say this, the bike is significantly quicker, and faster, And for its intended use, thats good with me. I do not plan on drag racing a 700 lb touring bike.

Cheers, Scott
"You just can't teach common sense..
 Nor can you fix stupid..."

2012 Concours 1400, full Area P carbon exhaust system, Shoodaben ECU tune, Project D radiator guard, 1 5/8' bar risers, throttlemeister, Buell pegs, Grip Buddies, The2wheels adjustable levers. Cee bailey ultradome, Phils rack, Laam seat.. To be continued..

Offline timgaskell

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #34 on: July 04, 2013, 09:44:39 pm »
I've been following the ECU reflash threads for a while now, and I got the impression that the main advantage was opening the secondaries at lower RPM, and gaining power down there.  Sleach gained 8% horsepower AND 8% torque at 4,000 RPM, which I see as significant.  And it pretty much continued up to an optimum shift point.  I'm slightly off topic here, as I have only the Area P slipon, but I got Don's reflash a couple weeks ago - and I'm happier than a cowboy in a cathouse ;).  I love acceleration, and the first time I took my '10 out with the reflash, I had a big ol' smile on my face in place of the usual grin.  When I take off the traction control, I'm pushing that front down and catching the next gear -wow (but I'm only 155 pounds, so that may be a factor too).  Anyhow, as y'all have said, numbers are nice but it's your butt that tells the truth to your brain.  Damn CHP has been sitting at the end of one of my favorite on ramps lately, and I would hate to have another one say "Look, I'm going to write you for this number, but if you take me to court I'm going to tell then how fast you were really going"  Not a cheap ticket, especially counting the insurance boost (no traffic school allowed at that level).  Ride, and enjoy the best.

Offline Sleach1400

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #35 on: July 05, 2013, 11:35:15 am »
I've been following the ECU reflash threads for a while now, and I got the impression that the main advantage was opening the secondaries at lower RPM, and gaining power down there.  Sleach gained 8% horsepower AND 8% torque at 4,000 RPM, which I see as significant.  And it pretty much continued up to an optimum shift point.  I'm slightly off topic here, as I have only the Area P slipon, but I got Don's reflash a couple weeks ago - and I'm happier than a cowboy in a cathouse ;).  I love acceleration, and the first time I took my '10 out with the reflash, I had a big ol' smile on my face in place of the usual grin.  When I take off the traction control, I'm pushing that front down and catching the next gear -wow (but I'm only 155 pounds, so that may be a factor too).  Anyhow, as y'all have said, numbers are nice but it's your butt that tells the truth to your brain.  Damn CHP has been sitting at the end of one of my favorite on ramps lately, and I would hate to have another one say "Look, I'm going to write you for this number, but if you take me to court I'm going to tell then how fast you were really going"  Not a cheap ticket, especially counting the insurance boost (no traffic school allowed at that level).  Ride, and enjoy the best.


Thats kinda why I got rid of my zx14... Too tempting for felony speeds, and I have a commercial license that I need clean for my employment. This bike puts a big smile on my face also now, and is more comfortable to boot. ;)
"You just can't teach common sense..
 Nor can you fix stupid..."

2012 Concours 1400, full Area P carbon exhaust system, Shoodaben ECU tune, Project D radiator guard, 1 5/8' bar risers, throttlemeister, Buell pegs, Grip Buddies, The2wheels adjustable levers. Cee bailey ultradome, Phils rack, Laam seat.. To be continued..

Offline Sleach1400

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #36 on: July 16, 2013, 02:47:36 pm »
Just as an update to this thread, as it is been a while and I have put a few more miles on the bike. I have done some two up riding, and a little sport riding sense the reflash, and I am thoroughly enjoying the bike and it's newfound power. Traction control is now wheelie control.. This was never an issue before.. There is a gain in fuel mileage, Significantly in Econ map and on the power map also, but i haven't calculated the exact figures just yet. It is nice to see all of these power gains, and increase fuel efficiency! The bike just seems happy, if you know what I mean..

For anybody that's on the fence about doing a ECU tune with a full pipe, I say go for it, and contact Don Guhl at Guhl motors! I am pretty satisfied with my ride results! :motonoises: :great:
"You just can't teach common sense..
 Nor can you fix stupid..."

2012 Concours 1400, full Area P carbon exhaust system, Shoodaben ECU tune, Project D radiator guard, 1 5/8' bar risers, throttlemeister, Buell pegs, Grip Buddies, The2wheels adjustable levers. Cee bailey ultradome, Phils rack, Laam seat.. To be continued..

Offline connie_rider

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #37 on: September 23, 2014, 04:29:33 pm »
Thanks for posting this.
Lots of good information.

Ride safe, Ted
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Offline br

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Re: Guhl ecu tune for Full AREA P exhaust
« Reply #38 on: September 23, 2014, 10:29:36 pm »
That last picture was Mike Valasco, I can belive he got 160+ out of that bike. He is the best tuner in the north west. He worked for HRC as there tuner, back in the 80'es.He also got 153hp out of my 2011 c14. I also have Guhl reflash, power commander v, but just slip on exhaust.