Motor Mounts Wont Line Up!

[89Suburban]

Looks like the brackets are all the same, just different mounts, you sure you have the right one? Don't know if this will help or not.

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[82chevy350]

They seem to be right as the clamshells either came from a 74 chevy truck or a 81 chevy truck. And the rubbers was for my 82 chevy truck. I did manage to get them in it was a PITA after hours of prying and taking the bolts loose on one side. Never had that much problems!

 

[Driver4r]

Some math:

You need to increase the distance across the frame (from motor mount hole to motor mount hole) by one inch - right?

That would mean that the bolt hole in the rubber section of each mount needs to be shifted out 1/2".

You can't go straight out (without frame mods) so the mounts need to move up higher on the plates.

To obtain a .5" increase in distance from the centerline of the motor, requires 1 inch of travel up the slope.This is due to the angle of the landing plates (you know the equation - a squared + b squared = c squared).

The mounts are normally bolted to the plates so that the bottom edge of the steel casing (of the mount) is flush with the bottom edge of the landing plates.

Oh great, the pathagorian theram