Royce Wise wrote:

Anyone have any idea why the rotor pockets are wider on one end than the other?
This is on the leading side of the combustion chamber.  Is it a squish area?
This is on a 12A rotor, about 81'-83' year model.
Royce

Mazda did some trial and error test and they found combustion worked
better.

Paul Lamar
 
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