Thread: Various # of cylinders engines produced in American auto history
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Old 02-08-2014, 08:52 PM   #5
77rs
 
Drives: '13 SS/RS conv. RY
Join Date: Jul 2012
Location: Cape May County, N.J.
Posts: 521
Quote:
Originally Posted by toehead93 View Post
The rotary engine but I think it is an american design
Mazda's selling point in the '70's. Their tv commercials stated they went "Hummmmm".
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