Rebuilt carb issues
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Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
Rebuilt carb issues
I had Charlie NY rebuild my carb. He found a few issues, power valve not machined correctly, throttle shaft loose.
I received it today, installed, and it started up with some starter fluid. I ran it about 15 minutes in the driveway then decided to take a short drive.
It quit at the stop sign about 100 yards down the road and refused to start. After trying for awhile my neighbors came out and helped me push it home. I checked fuel, spark, all the usual stuff, and eventually it started, acting like it was flooded.
I’m a bit afraid to drive again, thinking it may quit again, so I just drove up and down the driveway. The throttle is extremely sensitive, squealing tires with the slightest throttle movement.
I emailed Charlie, maybe he’ll know what to do, but I figured I’d ask here for ideas too.
Thx
I received it today, installed, and it started up with some starter fluid. I ran it about 15 minutes in the driveway then decided to take a short drive.
It quit at the stop sign about 100 yards down the road and refused to start. After trying for awhile my neighbors came out and helped me push it home. I checked fuel, spark, all the usual stuff, and eventually it started, acting like it was flooded.
I’m a bit afraid to drive again, thinking it may quit again, so I just drove up and down the driveway. The throttle is extremely sensitive, squealing tires with the slightest throttle movement.
I emailed Charlie, maybe he’ll know what to do, but I figured I’d ask here for ideas too.
Thx
Logistics Pro
Joined: Oct 2014
Posts: 3,911
Likes: 1,192
From: Deerbrook, WI
Squealing tires has never been a problem for me. LOL. And I have the new and improved overhead valve engine. I have 101 hp on a good day. What do you have? Maybe your engine is "modified" like Ed's. On a more serious note, good luck finding the problem with your engine. It's just always something it seems--but that's all part of the fun. Right?
Jim
Jim
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Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
Squealing tires has never been a problem for me. LOL. And I have the new and improved overhead valve engine. I have 101 hp on a good day. What do you have? Maybe your engine is "modified" like Ed's. On a more serious note, good luck finding the problem with your engine. It's just always something it seems--but that's all part of the fun. Right?
Jim
Jim
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Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
I messed around with it a bit more. It didn’t quit or flood this time, but the throttle response is still extreme. I moved the accelerator pump to the lowest setting, no change.
Tuned
Joined: Jun 2019
Posts: 292
Likes: 111
From: NJ
If you cant figure it out. You might want to bring it to Phil at custom carb in Middlesex he is excellent and has done a few carbs for me. People from all over the country mail carbs to him.
https://www.customrebuiltcarbs.com/
https://www.customrebuiltcarbs.com/
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Fleet Owner
Joined: Dec 2000
Posts: 25,378
Likes: 5,387
From: Central PA
Sorry about your carb issue. You'd expect no problems after a rebuild by a carb guy.
About your sensitive throttle , you might need a different return spring. Is yours correct for your flathead? Or it might be tired and worn out.
Look on eBay for an NOS one or a repopped one.
About your sensitive throttle , you might need a different return spring. Is yours correct for your flathead? Or it might be tired and worn out.
Look on eBay for an NOS one or a repopped one.
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Thread Starter
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Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
Sorry about your carb issue. You'd expect no problems after a rebuild by a carb guy.
About your sensitive throttle , you might need a different return spring. Is yours correct for your flathead? Or it might be tired and worn out.
Look on eBay for an NOS one or a repopped one.
About your sensitive throttle , you might need a different return spring. Is yours correct for your flathead? Or it might be tired and worn out.
Look on eBay for an NOS one or a repopped one.
Im sure Charlie will stand behind his work. I sent him an email, he’s good at getting back to me, usually in a day of so.
Cargo Master
Joined: Aug 2015
Posts: 2,074
Likes: 101
From: Marana, Arizona
Yep, Charlie will make it right. Anything I got back from Charlie was a bolt it on and go. Pumps, carbs and distributors. Pretty sure he runs them on a test engine after building them. It's funny how most people post up about their engine being sluggish. First time I heard too responsive. 
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
I have wondered how carbs fare in the shipping environment. Seems like with all the rough treatment packages get these days that the float needle could get dislodged, or the float get stuck down.
I can't think what would cause the sensitive throttle. Can you get someone to work the gas pedal while you watch the carb and linkage (engine off)?
I can't think what would cause the sensitive throttle. Can you get someone to work the gas pedal while you watch the carb and linkage (engine off)?
Thread Starter
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Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
I can't think what would cause the sensitive throttle. Can you get someone to work the gas pedal while you watch the carb and linkage (engine off)?
Fleet Mechanic
Joined: Aug 2019
Posts: 1,358
Likes: 416
From: Monmouth County, NJ
Sorry about your carb issue. You'd expect no problems after a rebuild by a carb guy.
About your sensitive throttle , you might need a different return spring. Is yours correct for your flathead? Or it might be tired and worn out.
Look on eBay for an NOS one or a repopped one.
About your sensitive throttle , you might need a different return spring. Is yours correct for your flathead? Or it might be tired and worn out.
Look on eBay for an NOS one or a repopped one.