'53 carb
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Senior User
Joined: Sep 2003
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From: Chesapeake, Va
'53 carb
Few questions on my '53 Holley 1bbl carb.
1. Once its all clean is there something that can be put on it to keep it looking good.
2. One of the butterfly valves has some small pits in it, they should'nt effect it performance? Right? If not can the butterfies be coated with something to prevent more pits or these from getting worse?
3. The diaphragm in the float bowl had a black sealant on it. What is it? Is it needed? If so where can I get some? With it it diffently wont leak, had to use a 1/8" sharp chisel to get it out.
1. Once its all clean is there something that can be put on it to keep it looking good.
2. One of the butterfly valves has some small pits in it, they should'nt effect it performance? Right? If not can the butterfies be coated with something to prevent more pits or these from getting worse?
3. The diaphragm in the float bowl had a black sealant on it. What is it? Is it needed? If so where can I get some? With it it diffently wont leak, had to use a 1/8" sharp chisel to get it out.
Elder User
Joined: Mar 2003
Posts: 628
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From: Colorado
Those are some good question's ( I learned that was a good response when you don't have the answer on the tip of you're tongue). Have you asked over at the carb & older trucks forums?
I've seen painted carbs and have heard of using a clear coat - as to butterfly pits - etc. - good questions
I doubt you'd see much performance drop 'less you're racing.
Coating butterflys - good Q...
Black sealant - gasket goo??? Probably wouldn't hurt - if it wasn't leaking - why change? Every parts store has a variety.
I've seen painted carbs and have heard of using a clear coat - as to butterfly pits - etc. - good questions
I doubt you'd see much performance drop 'less you're racing.Coating butterflys - good Q...
Black sealant - gasket goo??? Probably wouldn't hurt - if it wasn't leaking - why change? Every parts store has a variety.
Thread Starter
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Senior User
Joined: Sep 2003
Posts: 117
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From: Chesapeake, Va
Nice reply. 
Someone told me that Eastwood has a paint for carbs, going to look them up and see what they have.
No, not racing. Truck only goes 55 downhill with a tail wind
speed demon. lol
Pit in butterfly are small, just don't want them to get worse. Was thinking about solder, that way I could file it smooth again. Not sure though.
I have this same question posted in the older truck section, got lots of reads but 0 answers/options so far.
Thanks for the reply.
Someone told me that Eastwood has a paint for carbs, going to look them up and see what they have.
No, not racing. Truck only goes 55 downhill with a tail wind
speed demon. lolPit in butterfly are small, just don't want them to get worse. Was thinking about solder, that way I could file it smooth again. Not sure though.
I have this same question posted in the older truck section, got lots of reads but 0 answers/options so far.
Thanks for the reply.
Elder User
Joined: Mar 2003
Posts: 628
Likes: 0
From: Colorado
Solder & polish sounds like an option to pitting problem. I couldn't think of anything else that would reliably stand up to rigors. Have you measured the diameter of the butterfly? - maybe it's the same as something newer - and more widely available. There must be a few million old Holleys laying around - I know I've got five or six (no 1bbls, unfortunately).
