06-28-2021, 12:41 PM | #61 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Those are the epoxied units. The butterfly 30 mm adjustable carb performance 670 is selling in their kit would probably work well. I doubt they would sell just the carb. Maybe someone here can identify what carb they are using. P.S. It looks like it might be the replacement carb for Kohler K321 and K341 engines. I think this is going to require further exploration for my VC 460. The original kohler carb was a walbro. It looks to be $150. The cheap china copy less than $20. I am considering buying the china copy to experiment with ? Wish Shepard was here for some expert advice
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07-02-2021, 07:20 PM | #62 | |
Not Yet Wild
Join Date: May 2018
Posts: 6
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Re: 24mm Experimental Carburetor
Quote:
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08-22-2021, 04:31 PM | #63 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Bump
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08-24-2021, 03:47 PM | #64 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
I just thought I would add to Shepard's excellent fix to my ruined carb. I later cleaned up the area around where the chock was removed and port matched it to a Mikuni tube intake manifold I use as an air cleaner mount. I bolted the 2 items together and used the Sharpie trick to see what areas needed to be removed for a smooth transition. Shepard in another thread noted about using caution on the flat area along the bottom of the throat near the venturi as he removed so much that the carb leaked. The front edge does have where the bottom of the choke shaft resides so you have sort of a depth gauge here. There is a very large gain by this throat matching particularly if you are using the S/G and are able to remove the choke plate and shaft.
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10-01-2021, 08:35 PM | #65 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
An Idea Shepard and I had discussed for engines like the 625 or a 390-460 clone using a starter motor rather than the S/G for starting where a choke is usually needed. I had done on another type of engine removing the whole choke assembly and adding an enrichment circuit. So I know it does work. If like I am using an electric fuel pump with a separate line with a solenoid with a momentary on switch injecting a squirt of fuel into the carb throat and voila zoom zoom the the engine will fire. By my Ray math removing the choke and shaft and throating the carb results in like about 30% more air flow. So something like the 625 which is very carb restricted and space limited this might be a sort of simple solution to gain some nice power without the carb linkage and space considerations involved with changing to a Mikuni type carb. And again another consideration is with the adjustable main jet the clone carb is a LOT easier to dial in.
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11-29-2021, 10:19 PM | #66 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Bump for Nilles
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03-21-2022, 07:45 PM | #67 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Bump for Firedan
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05-08-2022, 07:06 PM | #68 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Bump
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08-06-2022, 04:08 PM | #69 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Bump
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10-10-2022, 04:54 PM | #70 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: 24mm Experimental Carburetor
Bump
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