Second Generation Ascots > The V-Twin Years: Modified To Full Customs

single carburator... anyone tried that?

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patrick2wd:
Trying to simplify the set-up and might weld a 1in2 manifold,
any thoughts, ideas??
blueprints will help..
I'm thinking of a 36mm carb.
seen few ideas on a custom 600 see http://www.shadowriders.net/forums/showthread.php?t=27517
which looks the business..
links.. ideas??

anyone...

J6G1Z:
In my opinion it is not a good idea. The main jets on VT500FT carbs are different. The rear cylinder has a larger jet than the front.

J.

Master:

--- Quote from: patrick2wd on December 15, 2015, 05:17:06 am ---Trying to simplify the set-up and might weld a 1in2 manifold,
any thoughts, ideas??
blueprints will help..
I'm thinking of a 36mm carb.
seen few ideas on a custom 600 see http://www.shadowriders.net/forums/showthread.php?t=27517
which looks the business..
links.. ideas??

anyone...

--- End quote ---

With a large diameter diffuser carburetor for 2 c's, there will be less pressure drop,(hard start, high idle rpm) so it's best to put two small diameter carbs. One carb well will work on the one cil 500 cc

Duke52:
Google "Honda vt500 single carb" there's a pretty slick conversion a guy did on a Shadow 500, It's on the hondashadow.net forum, he uses a single 36mm Mikuni carb.

Master:

--- Quote from: Duke52 on October 26, 2016, 02:52:41 pm ---Google "Honda vt500 single carb" there's a pretty slick conversion a guy did on a Shadow 500, It's on the hondashadow.net forum, he uses a single 36mm Mikuni carb.

--- End quote ---

For good power output need for every 100 cc 6.5 c2 of cross section of carb.

6.5 x 5 = 32.5 it is square of diff of carb in cm. for 500 cc motor.
Diam of card = 64.34 mm it is good carb for 500 cc for get full power.

36 mm it is for about 175 - 200 cc motor.

36 mm don't give full power with 500 cc motor. With 36 mm carb You will not use 300 cc of yours motor it mean You will get only ~ 1/2 of available power of 500 cc motor.

For VT500 each cil 250 cc need minimum 45 mm carb for good power output, 36 mm insufficiently for 250 cc each cil.

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