Heavy conn rods

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Mel King
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Heavy conn rods

Post by Mel King » Sun Mar 08, 2020 6:23 pm

Who would rebabbitt heavy rods and return them ? MEL.


Joe Bell
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Re: Heavy conn rods

Post by Joe Bell » Sun Mar 08, 2020 6:53 pm

Mel, why would you want to? they take twice the babbitt and hammer out quicker because of that. There is plenty of light rods out there to replace those, unless you are after heavier weight for rotating mass?

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John Warren
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Re: Heavy conn rods

Post by John Warren » Sun Mar 08, 2020 8:32 pm

Joe, when you say that they take more babbitt, I am assuming that the base ID diameter is larger?
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DanTreace
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Re: Heavy conn rods

Post by DanTreace » Sun Mar 08, 2020 9:31 pm

Two types of heavy rods, C -type , pre-1915 have bore of 1 1/2" with 1/8" thick babbitt.

B-type, 1915-early 1920 heavy rods have same bore as the light rods (late 1920 and on), bore of those is 1 3/8" with 1/16" thick babbitt.
The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford


Joe Bell
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Re: Heavy conn rods

Post by Joe Bell » Sun Mar 08, 2020 9:48 pm

Dan, hit it on the nose!


Les Schubert
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Re: Heavy conn rods

Post by Les Schubert » Mon Mar 09, 2020 11:24 am

Well that explains something I have wondered about.
Back in the T era there were crankshafts made with 1-3/8” crank pins. The advertising implied that they could be used with T rods, and now I understand that this is true!!
Further I have one of these cranks!!

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