| gwistrup | -- 04-13-2024 @ 8:14 AM |
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Is it possible to tighten the motor mount nuts too much? I replaced my motor mounts with Dennis Carpenter units to hopefully reduce a drone/vibration under load. My '40 Tudor acted like the engine was "grounding" to the frame due to excessive mount compression when going up hills. I noticed that the transmission mounts had a longer shoulder on the bolts than the reproduction bolts so I reused the original bolts for the transmission. The front mount bolts were the same length as the originals so I used the new bolts on the front mounts. Assuming that the length of the shoulder on the mount bolt determines the amount of compression of the rubber insulators, I tightened the nuts until they stopped and put the cotter pins in. Looking at the lower insulators, it seems as though they have a pretty big bulge and my drone/vibration is worse than it was before. Can I loosen the nuts or is there something else I'm missing? Thank you, Gil
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| kubes40 | -- 04-13-2024 @ 1:35 PM |
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Gil, Tighten the nuts just enough to insert the cotter pin. Mike "Kube" Kubarth
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| gwistrup | -- 04-15-2024 @ 10:32 AM |
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Thank you for the information. I will back the nuts off a few turns until the cotter pins just fit.
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| kubes40 | -- 04-16-2024 @ 7:18 AM |
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Gil, Be certain to place the large diameter flat washer between the top of the rubber and the bottom (foot) of the pump. Mike "Kube" Kubarth
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