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Carb Rochester B throttle plate?
#1249829 01/07/2018 1:02 AM
Joined: Nov 2017
Posts: 29
Woodlawn , Illinois
K
KingG
Offline
Wrench Fetcher
KingG
Wrench Fetcher
K Offline
Joined: Nov 2017
Posts: 29
Woodlawn , Illinois
I pulled the carb off my 54 235 engine to rebuild it and one throttle plate screw was previously twisted off and the other was loose. So I gently tried to tighten the remaining screw and it twisted off too. I got one screw out but couldn't get the other out. Pretty small. Think it could be drilled out? Didn't know if these screws were even available . Maybe someone has an extra base laying around. Any suggestions?
Re: Carb Rochester B throttle plate?
KingG #1249833 01/07/2018 1:27 AM
Joined: Nov 2017
Posts: 29
Woodlawn , Illinois
K
KingG
Offline
Wrench Fetcher
KingG
Wrench Fetcher
K Offline
Joined: Nov 2017
Posts: 29
Woodlawn , Illinois
I found some screws on internet, so I may try drilling it out. Anyone happen to know what size these screws are?
Re: Carb Rochester B throttle plate?
KingG #1249859 01/07/2018 3:28 AM
Joined: Nov 2002
Posts: 2,715
Missouri
C
carbking Offline
Carburetion specialist
carbking
Carburetion specialist
C Offline
Joined: Nov 2002
Posts: 2,715
Missouri
6x32

Jon

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop
Re: Carb Rochester B throttle plate?
KingG #1249905 01/07/2018 4:06 PM
Joined: Feb 2000
Posts: 4,886
Lee's Summit Mo. 64086
J
Joe H Offline
'Bolter
Joe H
'Bolter
J Offline
Joined: Feb 2000
Posts: 4,886
Lee's Summit Mo. 64086
Small brass screw from your local hardware store, 6x32 like Jon mentioned. Also when trying to remove them, drill from the head side of the screw so you don't have to mess with the back side thats been peened over. Most of the time they screw right out. A little heat might also help, and key word is LITTLE!

Last edited by Joe H; 01/07/2018 4:09 PM.
1937 Chevrolet Inline-powered Streetrod
Re: Carb Rochester B throttle plate?
KingG #1250091 01/08/2018 10:20 PM
Joined: Nov 2017
Posts: 29
Woodlawn , Illinois
K
KingG
Offline
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KingG
Wrench Fetcher
K Offline
Joined: Nov 2017
Posts: 29
Woodlawn , Illinois
My model b carb didn't have 6-32 screws in the throttle plate. They were smaller than that. I was able to find some 6-32 screws at the hardware and drill them out so it worked out. Got the carb kit put in and all back together.

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