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Backyard Mechanic
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OP
Backyard Mechanic
Joined: Nov 2002
Posts: 238 |
Recently I aquired an extra RJH-08 ('29-'31) Carter carb. The brass bowl has some cracks. Before I have them soldered up do I need to drill small holes right where the cracks end? So as to stop any more crack expantion. Also, what is the best kind of solder to use? TIA, Bob  The 1929 Chevrolet: The Most Outstanding Chevrolet in Chevrolet History 
Capt. Harley
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Once the brass begins to stress crack it is necessary to anneal to remove the stress. Then the cracks can be soldered or silver soldered. Drilling a hole in the end of the crack is a good idea if you can actually find the end. Many times the actual end extends beyond what is visible. An alternate is replace with a reproduction. They are available from several suppliers.
How Sweet the roar of a Chevy four!
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Joined: Nov 2002
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Backyard Mechanic
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Backyard Mechanic
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The cost of one of the repop bowls would almost be the same for what I paid for the carb. I'm going to try and low bucks it and repair it. How do you anneal the brass, pre heat it? Thanks JYD and Chipper. Bob
Capt. Harley
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If you want to "Low Ball" it just solder with soft solder use some acid core, and buy the cheap soft solder, maybe even use some flux-solder for copper tubing apply some 50-50 solder and paste flux mix, first . There isn't any point in spending a lot of time or money on a cracked bowl.
I have annealed brass rifle and pistol cases, didn't help much, there are several ways......
Life's a long winding trail, love Jesus and ride a good horse!
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I have a very good used bowl I could make you a good deal on. It would save you some money and work.
See you Touring the Back Roads
Joined VCCA June 1, 1961
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Joined: Nov 2002
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Backyard Mechanic
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Backyard Mechanic
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MrMack, Thanks for the info, might just give it a try.  Back Roads, PM heading your way. Thanks for the offer.  Bob
Capt. Harley
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To anneal the brass it is necessary to heat it to dull reddish color and then let cool back in air. No forced cooling.
How Sweet the roar of a Chevy four!
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