Motor Mounts Problems - Putting in a 78 350

[padresag]

by frt motor mount are you talking frt timing cover area?. if you are installing a 350/350, you require the 2 side mounts on the side of the eng block and the one under the rear of the trans.
those perches shouldn't be welded in. it removes the possibility of being able to move them like I suggested, but is easier to install if it works
ron

[Blue_Aura]

Originally Posted by padresag

by frt motor mount are you talking frt timing cover area?. if you are installing a 350/350, you require the 2 side mounts on the side of the eng block and the one under the rear of the trans.
those perches shouldn't be welded in. it removes the possibility of being able to move them like I suggested, but is easier to install if it works
ron

On a 62, there is a horseshoe motor mount that goes under the harmonic balancer. I read that if you have a torsion bar setup that you need this mount or the lower water pipe bolt will get bent.
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[MARTYZ]

I would suggest cut the welds and get the perch mounts bolted in way they should be, leave the bolts loose until motor installed and then tighten everything up. had to do that with mine when put the small block in.

[Captainfab]

You do not need the front motor mount in addition to the side motor mounts. It is just either the front or side mounts. However with a auto trans you must have side motor mounts. The motor mount brackets you have on the sides don't sound to be original. Just eliminate the front mount and see if everything bolts up. Having the front mount is actually working against you. There is no physical difference between a '68 small block and a '78 small block.