Quote:
Originally Posted by pat in Santa Cruz
the float o motor system has another mount that attaches to the U joint housing and rests on a rubber block which rests on the rear cross member. These are often omitted, which causes the rear of the engine to sag. Is yours there?
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I've heard a number of different theories about what that thing is for. Just looking at it, and how it's attached, it's hard to believe it's designed to support much weight. The most compelling notion I've heard is that it's more of a "snubber" against excessive teetering around the rear mounts in case the front of the motor is bounced up on a rough road. Thus, it is sort of obviated if you also use the more modern style front mount, which holds the front of the motor down as well as up.
I've spent a lot of time taking mine in and out while trying to perceive any difference in vibration isolation. Installing my F150 trans finally relieved me of the decision.
Steve