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Old 05-12-2013, 02:36 PM   #2
markeb01
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Join Date: Feb 2007
Location: Spokane Valley, WA
Posts: 8,356
Re: Motor Mounts on a 66 with a 350

I'm not a fan of urethane parts in a street car, I'd just go for replacement rubber mounts from your favorite auto parts store. Replacing these can be easy, or miserable. Essentially you need a way to lift the engine, either a cherry picker or by using a floor jack and block of wood under the oil pan.

There is a single bolt in each mount under the tower that screws into the center of the rubber motor mount. Once that bolt is removed, the engine can be lifted and the 3 bolts holding the mount to the engine can be removed. Reassembly is just the reverse, attach the mount to the engine, lower it back on the tower and insert/torque the bolt holding the rubber mount to the frame tower.

I just did this on my truck and spent 5 hours getting those two bolts started! If I had it to do again I'd drill the holes in the towers slightly larger, and use a heavy steel washer under the bolt head. This would allow more flexibility in getting the bolts started.

In most cases you can get away with doing this one side at a time. This might prove to be easier and safer if you're using a floor jack.
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