Thinking in terms of load and component load compliance, I would not mix bushings and mounts of drastically different durometer on single component, such as transmission/engine. You want to be careful about inadvertent shifting of stress to the softer bushing/mount. 

Chris.

Wysłane z iPhone'a

Dnia Sep 5, 2014 o godz. 15:54 Richard Koller <brvkoller@GMAIL.COM> napisał(a):

> Sorry for the previous abbreviated post, not used to the gmail protocols,
> anyway, I have been collecting bushings to rebuild my front end and have
> not gotten all of them. Is there any reason I should not use both types in
> such a scenario?
> Thanks
> Rick