it isn't need, can ware and are unnecessary Hello Net
The washers are part of the engine mount. They work the same as the washers and rubbers in auto shock absorbers. Without the washers the engine will be extremely unstable and possibly dangerous. Orma Southfield, MI N110LR Tweety, old enough to drink this year Flying and more flying, to the gathering or bust http://www.kr-2.aviation-mechanics.com/