1962 exhaust manifold carb tube broken off

[aa010175]

I have a 1962 with stock exhaust manifolds. My question is the choke tube that is in the manifold is broken off. I read where it’s only heat that’s transferred up the tube to the choke mechanism and there is no exhaust air going up the tube. Thanks Dave

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[74 Harley]

You are correct. No exhaust gas goes up the tube.

 

[64ZCODE]

Without the tube, the choke doesn't operate. You could switch to an electric choke.

 

[perfectpete]

Can't you drill it out & fit a new tube. I think it's the same size as a metal brake pipe tube. It simply transfers the heat to the bi-metallic coil in the carb to open it as the manifold gets hot.

 

[63mroadster]

@perfectpete has the correct solution. Simply drill out the rusty tube with the correctly sized drill and install a new tube. Replace the old steel tube with a new stainless steel tube which are available from the Thunderbird vendors. No more rust issues.

 

[perfectpete]

That's what I did on my 62 Roadster. Can't remember how deep but think it's only about 1/2" in. The only other thing you need apart from the tube is the white heat resistant sleeve to retain the heat, also available from TBird suppliers.