The hole in some 235 harmonic balancers is squared off, and will accept a 3/4" square drive ratchet or extension for turning the engine, but it might be hard to reach with the engine in the vehicle.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!