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vort28
Joined: 22 Mar 2010 Posts: 2194 Location: Northwest , UK
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Posted: Wed May 08, 2019 11:55 am Post subject: |
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brian wrote: |
Starting to think that the single carbon can on the exhaust has been a major part of my running problems right from the start, something that I never considered a couple years ago when trying to sort the running problems.
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I have the sport kit on my DB4 so flatsides and single Corse can. Many years ago I would change the exhaust back to the twin shot standard ones for the MOT check. Bike would run OK just felt like it was being held back .
OK , not quite the same but sort of in reverse . I also know of another DB4 owner that has put a single ie can on the stock bike , with no adverse behavior I believe .
2 things to consider is your single can is not a Bimota one , maybe just a single 900ss one from a pair , made to fit , therefore what is the 2 into 1 joint like and what is the dia/bore of the can ? maybe restrictive .
Is the single can straight through or has it got baffles ? Maybe restrictive or maybe blocked somewhere/baffle collapsed ??
Just a thought. |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Thu May 09, 2019 5:24 pm Post subject: |
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vort28 wrote: |
brian wrote: |
Starting to think that the single carbon can on the exhaust has been a major part of my running problems right from the start, something that I never considered a couple years ago when trying to sort the running problems.
. |
I have the sport kit on my DB4 so flatsides and single Corse can. Many years ago I would change the exhaust back to the twin shot standard ones for the MOT check. Bike would run OK just felt like it was being held back .
OK , not quite the same but sort of in reverse . I also know of another DB4 owner that has put a single ie can on the stock bike , with no adverse behavior I believe .
2 things to consider is your single can is not a Bimota one , maybe just a single 900ss one from a pair , made to fit , therefore what is the 2 into 1 joint like and what is the dia/bore of the can ? maybe restrictive .
Is the single can straight through or has it got baffles ? Maybe restrictive or maybe blocked somewhere/baffle collapsed ??
Just a thought. |
Thanks for the input vort..... the collector and inlet pipe on the single carbon can look plenty big enough from memory. It was fairly loud but I did like the sound of it. When I get around to it I might open up the carbon can and check out the baffles etc, i'm guessing that it's a straight through can but not sure. I'll need to try to get it to work as it will most likely go on the DB4 track bike _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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Gammaboy
Joined: 25 Feb 2016 Posts: 188 Location: Brisbane, Australia
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Posted: Thu May 09, 2019 11:18 pm Post subject: |
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brian wrote: |
Thanks for the input vort..... the collector and inlet pipe on the single carbon can look plenty big enough from memory. It was fairly loud but I did like the sound of it. When I get around to it I might open up the carbon can and check out the baffles etc, i'm guessing that it's a straight through can but not sure. I'll need to try to get it to work as it will most likely go on the DB4 track bike |
Grab a cheap usb inspection camera - beats the fuck out of opening it up to look! |
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2bims
Joined: 03 Apr 2010 Posts: 7289
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Posted: Fri May 10, 2019 8:04 am Post subject: |
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brian wrote: |
vort28 wrote: |
brian wrote: |
Starting to think that the single carbon can on the exhaust has been a major part of my running problems right from the start, something that I never considered a couple years ago when trying to sort the running problems.
. |
I have the sport kit on my DB4 so flatsides and single Corse can. Many years ago I would change the exhaust back to the twin shot standard ones for the MOT check. Bike would run OK just felt like it was being held back .
OK , not quite the same but sort of in reverse . I also know of another DB4 owner that has put a single ie can on the stock bike , with no adverse behavior I believe .
2 things to consider is your single can is not a Bimota one , maybe just a single 900ss one from a pair , made to fit , therefore what is the 2 into 1 joint like and what is the dia/bore of the can ? maybe restrictive .
Is the single can straight through or has it got baffles ? Maybe restrictive or maybe blocked somewhere/baffle collapsed ??
Just a thought. |
Thanks for the input vort..... the collector and inlet pipe on the single carbon can look plenty big enough from memory. It was fairly loud but I did like the sound of it. When I get around to it I might open up the carbon can and check out the baffles etc, i'm guessing that it's a straight through can but not sure. I'll need to try to get it to work as it will most likely go on the DB4 track bike |
Or do like I do with my DB2/DB5/DB6 end cans...just get a long brush handle and push in and measure how far it goes.....on the MotoCorse/zard/Arrow and term end cans I have...its the same as your SB6 race system....just a complete straight mesh tube inner with wadding.....any potential "baffles" on a race can are simple restrictors that bolt with one grub screw into the outlets.... |
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2bims
Joined: 03 Apr 2010 Posts: 7289
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Posted: Fri May 10, 2019 8:04 am Post subject: |
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brian wrote: |
vort28 wrote: |
brian wrote: |
Starting to think that the single carbon can on the exhaust has been a major part of my running problems right from the start, something that I never considered a couple years ago when trying to sort the running problems.
. |
I have the sport kit on my DB4 so flatsides and single Corse can. Many years ago I would change the exhaust back to the twin shot standard ones for the MOT check. Bike would run OK just felt like it was being held back .
OK , not quite the same but sort of in reverse . I also know of another DB4 owner that has put a single ie can on the stock bike , with no adverse behavior I believe .
2 things to consider is your single can is not a Bimota one , maybe just a single 900ss one from a pair , made to fit , therefore what is the 2 into 1 joint like and what is the dia/bore of the can ? maybe restrictive .
Is the single can straight through or has it got baffles ? Maybe restrictive or maybe blocked somewhere/baffle collapsed ??
Just a thought. |
Thanks for the input vort..... the collector and inlet pipe on the single carbon can look plenty big enough from memory. It was fairly loud but I did like the sound of it. When I get around to it I might open up the carbon can and check out the baffles etc, i'm guessing that it's a straight through can but not sure. I'll need to try to get it to work as it will most likely go on the DB4 track bike |
Or do like I do with my DB2/DB5/DB6 end cans...just get a long brush handle and push in and measure how far it goes.....on the MotoCorse/zard/Arrow and term end cans I have...its the same as your SB6 race system....just a complete straight mesh tube inner with wadding.....any potential "baffles" on a race can are simple restrictors that bolt with one grub screw into the outlets.... |
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