Thread: Failed American made motor mount

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Originally Posted by Itoldyouso

If the passenger side tore it was probably bad vulcanizing (or whatever that bonding process is). Generally, the one on the drivers side is what tears loose, from my experience. I had the same issue on my 68 Mustang with the 351 Cleveland in it, but I just chained the engine down on that side and no more breakage.

Don

I agree 100%. I've never seen a passenger side fail except for the time I let my '60 348 hang from the front mounts and the exhaust pipes as I pulled the tranny for the first time (we learn from our mistakes, sometimes ) The torque of the engine lifts the driver's side and tends to compress the passenger side. Unless your frame mounts are spread a lot putting twist on the mounts I'd say you must have gotten a bad mount.