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Discussion Starter #1
Okay so I'm convinced I need to get going on having a big mouth TB fabbed up
for my draw-through T1.

I need to know if I use a specific 46mm butterfly from a specific make and model
or if any one will do?

I'm going to have a machine shop here bore straight through 46mm against the stock 42mm. Does anybody who's done this have any insight or advice on what to watch out for or avoid, etc.?
 

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Discussion Starter #3
cant see how it would matter..
there just a plain bit of flat, circular steel ;)
Well it is for just a log T1 so I don't wanna spend much.
Dollars spent to have the shop make one could be used to have an existing one knife edged and screw's countersunk.

I called around to all the local JY's, they only seem to have 48's and 52's.
What makes used the 46mm butterfly people used to make these?
 

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Discussion Starter #5
Yes that is the question indeed.
Also the mounting holes will have to be on pattern as well.
Arg...
 

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Were you successful in this venture? If so, what did you find to work? I am considering doing the the same thing.
 
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