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FE Technical Forum / Motor mount "pinning"
« on: September 18, 2012, 07:36:10 PM »
Got interested in this topic when I saw how my drivers side mount came out in half with the motor left literally just sitting on the rubber with nothing holding it in place.
There were a few articles on the topic I read.. here is one for reference:
http://www.fordmuscleforums.com/engine-articles/466422-pinned-motor-mounts.html
And some pics of what others had done to their FE mounts:
Seemed like reasonable approaches but I thought of what I felt was a "cleaner" approach. I tested it out on my old passenger motor mount and it worked grand. Followed up by doing it to both my new mounts. Took about an hour to do both. Here is what my finished product looked like:
Here is how I got there. Lopped off the stud flush with the mount. I used a Dremel cutting wheel but a hacksaw would work. Grind what remains of the the stud flush.
I don't have a press so with my 3/8" hole shooter and the mount chucked up in a vise I drilled a 1/8" pilot hole through the entire assembly:
Followed up with a 3/8":
Then finally a 1/2":
You will get used to the smell of burning rubber by the time you are done with both.. probably a non-issue with many here who are accustomed to the smell coming from the rear wheels.
Install a Grade 8 2-1/2" 1/2-13 Capscrew and washer where the stud was:
Use a grade 8 washer and a 1/2-13 nylon insert locking nut on the other end. Just tighten to snug so the rubber can still compress under the weight of the motor. Be sure to check the nut is snug again after motor is installed.
Done.
Now when I roll on the throttle the bolt will take up the torque instead of the rubber and I won't have the harsh ride of solid motor mounts as the rubber is still supporting the weight of the motor.
Just thought I'd share my take on an old idea.
There were a few articles on the topic I read.. here is one for reference:
http://www.fordmuscleforums.com/engine-articles/466422-pinned-motor-mounts.html
And some pics of what others had done to their FE mounts:
Seemed like reasonable approaches but I thought of what I felt was a "cleaner" approach. I tested it out on my old passenger motor mount and it worked grand. Followed up by doing it to both my new mounts. Took about an hour to do both. Here is what my finished product looked like:
Here is how I got there. Lopped off the stud flush with the mount. I used a Dremel cutting wheel but a hacksaw would work. Grind what remains of the the stud flush.
I don't have a press so with my 3/8" hole shooter and the mount chucked up in a vise I drilled a 1/8" pilot hole through the entire assembly:
Followed up with a 3/8":
Then finally a 1/2":
You will get used to the smell of burning rubber by the time you are done with both.. probably a non-issue with many here who are accustomed to the smell coming from the rear wheels.
Install a Grade 8 2-1/2" 1/2-13 Capscrew and washer where the stud was:
Use a grade 8 washer and a 1/2-13 nylon insert locking nut on the other end. Just tighten to snug so the rubber can still compress under the weight of the motor. Be sure to check the nut is snug again after motor is installed.
Done.
Now when I roll on the throttle the bolt will take up the torque instead of the rubber and I won't have the harsh ride of solid motor mounts as the rubber is still supporting the weight of the motor.
Just thought I'd share my take on an old idea.
