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50 Pan Flywheels 150-40?

7K views 10 replies 4 participants last post by  Rubone 
If they are UL wheels they have a different casting number ending in 37. Unless you plan to do some other mods to your pan don't bother with them. And if they are lightened they are worse due to loss of low end torque.
Be aware that both 61ci and 74ci flywheels have the same casting numbers. You need to measure the stroke to be sure. The lock tab screw hole is also in a different place relative to the crankpin as the nuts are smaller!
Robbie
 
First number is day of the month, second number is year, letter is month, same as cylinder codes.
Since they are tapered shaft wheels the middle six is '46 so they were originally in a '47 Knuckle.
 
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