Now another problem, this time working on a 1965 Plymouth Valiant Signet convertible where someone swapped in a 1974 Dodge Dart 7 1/4 rear end which now has 9 inch brakes (front of vehicle has factory 10 inch drums).
Based on the previously installed rear cylinder markings, I purchased two rear cylinders on ebay with the same markings which are "Wagner Lockheed" and an identical seven digit number. I installed one of the Wagner cylinders (from ebay) on the driver's side no problem. On the passenger side, I could not get the metal brake line to thread into the other Wagner (from ebay). I finally figured out the second wheel cylinder has a larger hole for the metal fuel line. Not what I expected to find when I thought I was purchasing two identical wheel cylinders.
In the first photo, one can see the two cylinders I removed from the vehicle on the left and center, and the new Wagner on the right with a larger brake line hole. The difference is diameter is about 1/16" (which would be 3/8" vs. 7/16").
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