On my OEM door lock the key turns nearly 360 degrees, but the tang that goes in the latch mechanism only turns about 90 degrees. There's a lot of movement of the tang without moving the key. If it's an aftermarket lock, it may not be the right type. I have no idea if currently available locks work correctly.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.