wrigglypig
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| posted on 23/3/09 at 07:23 PM |
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Carb angles
I have a set of GSXR750 carbs fitted to my engine ( you can see them on my photos ) it has just occurred to me do they have to be angled like they
were on a bike or will hey be ok in the horizontal position?
Kev
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blakep82
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| posted on 23/3/09 at 07:30 PM |
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as far as i know, horizontal will be fine. not sure if you can or need to adjust the float bowl, but i think they're designed to operate the
same when a bike does a wheelie, or leans for cornering etc
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blakep82
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| posted on 23/3/09 at 07:48 PM |
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have a look here
http://www.boggbros.co.uk/gallery.html
these ones are vertical! 
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whitestu
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| posted on 23/3/09 at 08:04 PM |
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My ZX6R carbs are horizontal. The only issue I think I might have is getting the idle set up properly, but this may not be due to the angle.
Otherwise they work perfectly.
Stu
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BenB
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| posted on 23/3/09 at 08:07 PM |
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You might upset the floats if you have it at an extreme angle. Certainly if its dramatically different you might have to adjust the float tabs.
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wrigglypig
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| posted on 23/3/09 at 09:47 PM |
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Cheers guys I'll leave them alone for the time being
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David Jenkins
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| posted on 23/3/09 at 09:53 PM |
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Originally my Honda CBR600FX carbs were at an angle of about 10 degrees off vertical. Now they're about 30 degrees above horizontal.
Still working well!
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blakep82
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| posted on 23/3/09 at 11:23 PM |
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anyone know how well/if they'll work the other way around? ie, with the air filter side lower than the manifold side?
i might need to make a humb back manifold so i can clear the alternator and chassis 
________________________
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vinnievector
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| posted on 24/3/09 at 07:46 AM |
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my carbs
HI , point of ref for you i have a boggs manifold and its set to around 25 to 30
for a set of R1 carbs .
Are you planning to make your own ?
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nstrug
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| posted on 24/3/09 at 09:48 AM |
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They're designed to work well under heavy acceleration - which is the equivalent of lowering them towards the horizontal.
Nick
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DarrenW
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| posted on 24/3/09 at 12:30 PM |
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For the ranges of angles that we require they will make no discernable difference to the operation of the carbs.
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blakep82
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| posted on 24/3/09 at 12:33 PM |
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but what if they were angled the opposite way to the norm?
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