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Author Topic: Dyno Sheets Comparison --- True Duels vs 2 into 1  (Read 4422 times)

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Cat Eye

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Dyno Sheets Comparison --- True Duels vs 2 into 1
« on: December 26, 2012, 08:42:03 PM »
This dyno sheet is for a  113 build with HC pistons, MVA heads and 259e cams and  Samson’s  Legend Series Cannons true duels with 5/8” baffles……they looked and sounded great…but to loud at 2800 rpm.
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Cat Eye

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #1 on: December 26, 2012, 08:44:14 PM »
This sheet is for the same configuration but with the Drago’s Dragula 2 into 1 exhaust with the 2.55 baffles…..not as loud as the Cannons but twist the throttle and people will turn their head.
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Cat Eye

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #2 on: December 26, 2012, 09:18:03 PM »
Samson Cannons
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Cat Eye

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #3 on: December 26, 2012, 09:19:40 PM »
Drago's Dragula 2 into 1
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Mountainman streetbob

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #4 on: December 26, 2012, 10:51:06 PM »
Quite a difference! Good looking dyno's. ONLY the pipe changed?
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Cat Eye

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #5 on: December 26, 2012, 10:56:32 PM »
Yep....thats was the only difference...when I did the build they told me the cannon exhaust wasn't a good choice....but man....I had no idea it was choking the motor that much.
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Mr. Warlock

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #6 on: December 27, 2012, 07:09:18 AM »
It's worse than you think, the Samsons sheets is STD compared to SAE for the Drago's sheet. If they were both SAE it would show an even bigger difference.
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Mountainman streetbob

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #7 on: December 27, 2012, 02:07:10 PM »
It's a pretty clear example of the superiority of a 2-1 over most other pipe designs.
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DRAGO B W

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #8 on: December 27, 2012, 02:10:10 PM »
Thats a nice curve and 7 more hp's with our pipe. Nice!!!!!!!
Enjoy and Happy New Year.


Quote from: Cat Eyes on December 26, 2012, 09:19:40 PM
Drago's Dragula 2 into 1
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smiley1049

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #9 on: December 27, 2012, 02:45:14 PM »
I'm just wondering is there something that I'm missing hear he has got high compression pistons ,heads and 259 cams? And what are his #
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hbens

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #10 on: December 27, 2012, 02:47:00 PM »
Frank,

I have your Dragula on my SESG and it is awesome. My brother just bought a 2013 SEUC and will be putting the other 2 into 1 of yours on. He says it tucks in closer to the motor. Both of us were amazed at the difference just putting your pipe on made (with the Power Vision tune map you sent me). I've made my changes 1 item at a time so I know how each change affected the bike.
Unfortunately I don't have a picture of my bike with the pipe on it to post here.
« Last Edit: December 27, 2012, 02:48:37 PM by hbens »
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Mountainman streetbob

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #11 on: December 27, 2012, 03:12:25 PM »
Chuck R I think you might be expecting better torque and hp numbers... Yes I believe you are right. Now that he has a great pipe on there thime for a dyno tune!
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Cat Eye

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #12 on: December 27, 2012, 03:56:27 PM »
Quote from: DRAGO B W on December 27, 2012, 02:10:10 PM
Thats a nice curve and 7 more hp's with our pipe. Nice!!!!!!!
Enjoy and Happy New Year.



Frank...you are being modest
with just changing the pipes and no tune.....Torque went from 102 to 105 and the HP went from 81 to 96
then after tuning with your pipes torque went from 102 to 112 and HP went from 81 to 103.....and sound much better :cucumber: :cucumber:
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Doc 1

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #13 on: December 27, 2012, 07:46:06 PM »
Quote from: Chuck R on December 27, 2012, 02:45:14 PM
I'm just wondering is there something that I'm missing hear he has got high compression pistons ,heads and 259 cams? And what are his #
Almost looks as if a cam is out of timing....the numbers should be in the 120's with the SE 113 kit.
Doc
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Cat Eye

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Re: Dyno Sheets Comparison --- True Duels vs 2 into 1
« Reply #14 on: December 27, 2012, 08:09:33 PM »
Quote from: Doc 1 on December 27, 2012, 07:46:06 PM
Almost looks as if a cam is out of timing....the numbers should be in the 120's with the SE 113 kit.
Doc

Interesting....how would I check this Doc?
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