Paul, the problem with doing that on a multi-cylinder engine is the distinct possibility of bending connecting rods on other cylinders where the pistons remain frozen. Ditto for the old "sandbag the trunk and tow the vehicle" method that some of my friends used to use. Something's going to bend or break!
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!