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Buell Motorcycle Forum » THUMPer Forum » Blasting Away - The Thumper Quick board » Archive through July 18, 2009 » Blast carb « Previous Next »

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Cliffburton
Posted on Monday, June 08, 2009 - 08:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Does anyone Know who made the carb and what size it is in millimeters?Im trying to get a splitter from scary fast and Cant find the info anywhere. Thanx in advance
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Xgecko
Posted on Tuesday, June 09, 2009 - 10:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

its a keihin CV40 with and auto enricher, no a stock harley carb of the same make will not work without replacing the ECU







don't I feel retarded.....

(Message edited by Xgecko on June 09, 2009)
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Ezblast
Posted on Tuesday, June 09, 2009 - 02:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

oops - CV40 - and the HD CV40 one will work fine.
EZ
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Xgecko
Posted on Tuesday, June 09, 2009 - 04:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

really? HD put an auto enricher on the sporty?
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Gearheaderiko
Posted on Tuesday, June 09, 2009 - 06:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Blast and Big Twin/Sportster carbs are basically the same. Different 'chokes' (electric auto and manual pull cable) and the Blast is missing the accelerator pump (but has the mounts for it).
I use both style carbs on my Blasts and if it fits the twin carb, it will fit the Blast carb (except choke and accel pump).
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Cliffburton
Posted on Tuesday, June 09, 2009 - 06:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Have any of you guys used one? I spoke to some one at scary fast and she said it would help throtel response and increase fuel mileage by 20%.What do you think before I drop $120.EZ, do I have to make any mods to the part to make it work or just bolt it on?
Thanx
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Ezblast
Posted on Tuesday, June 09, 2009 - 11:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Just bolts on - I made my own and incorporated it into the stack, others have done similar - it really does not look like a hard item to duplicate, there certainly is room enough - lol - other uses for airbox - aging cheese - Buell Cheese? - anyone - still buying can save you a lot of time and hassle if not mechanically inclined at all. The thing I noticed was the bottom and mid response that suddenly returned to the bike - I run the Force - not much bottom end - you need a lot of carb tuning to bring some back with it, this brought a significant amount back bringing it closer to the Toys ability - says a lot on how good that Force pipe is as well - so the mod did impress me - it will really also depend on what else you do to the bike as well - personally I would go 45/170 with that since it will probably have you a tad leaner as well.
EZ
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Garlic_sauce
Posted on Friday, June 19, 2009 - 12:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I want to try scaryfast's carb splitter and I'm about to order one of those velocity stacks from americansportbike. My question is can I use both without modification? Do I need to do any jetting changes? Also I use the modded stock airbox with a K&N air filter and a V&H exhaust, 45/175 shimmed needle(2 #4 washers). Thanks

(Message edited by garlic_sauce on June 19, 2009)
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Ezblast
Posted on Friday, June 19, 2009 - 02:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ryan - it should fit, not a 100% sure, if not, 2 minutes with a Dremel sander would bring it down enough to fit.
EZ
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Garlic_sauce
Posted on Friday, June 19, 2009 - 04:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

OK cool, No jetting changes? Thanks
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Garlic_sauce
Posted on Friday, June 19, 2009 - 05:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I just read about your splitter stack EZ, I will just make that instead of buying one. I have the stack in the mail, so I'll just get some metal and JB weld in the meantime. Thanks

(Message edited by garlic_sauce on June 19, 2009)
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Garlic_sauce
Posted on Saturday, June 20, 2009 - 07:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Another question, does the stack fit in the stock airbox? I hope it does because I ordered one last night
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Ezblast
Posted on Saturday, June 20, 2009 - 03:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I don't know - never tried to do that - that would be pretty old school thing to do, if it worked, your bottom end would increase a bit - let us know - it might be a tight fit,but doable, might not.
EZ
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Garlic_sauce
Posted on Saturday, June 20, 2009 - 04:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I was looking at it today, I think it will probably fit. I don't know exactly how long the stack is though but from pictures I have an idea. I will let you know when I get mine. very excited.
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Garlic_sauce
Posted on Friday, June 26, 2009 - 05:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Well I got the stack today and it doesn't fit. SO, I was thinking if I cut it in half and jb'd some metal in the middle I could use it that way. Like EZ's stack but half as long. What do yall think?
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Ezblast
Posted on Friday, June 26, 2009 - 06:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

That could work.
EZ
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Garlic_sauce
Posted on Friday, June 26, 2009 - 06:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Cool. Thanks
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