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Old 01-21-2020, 09:16 PM   #1
flintcamp
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Default Float-a-Motor rear mount

I had a cobbled together a 31 coupe that I have been repairing for the last few years. I have a float a motor engine mount with new rubbers and a stock mount for the front. The suspension is all correct now and the frame has been straightened. The engine front lines up, everything looks like it should- I think.
The problem is the clamshell is too close to the frame to install the rear float a motor transmission bracket. The question is, is the rear float a motor bracket necessary? I have been watching this forum for several years and don't post as I don't have any great desire to be insulted but for this problem it would be worth it if you also happen to have a knowledgeable answer. Thanks.
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Old 01-22-2020, 05:13 AM   #2
SAJ
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Default Re: Float-a-Motor rear mount

Flintcamp. I experienced the onset of bad clutch judder and discovered my aluminium FAM central mount had broken where the 2 vertical bolts thread into it. After welding up and re-tapping the threads,and refitting the mount with a suitable crush on the rubber block, all clutch judder was gone again.
So in my case the central mount was of great benefit.
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Old 01-22-2020, 07:19 AM   #3
Jacksonlll
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Default Re: Float-a-Motor rear mount

A lot of people don't use that rear mount. My shift lever jumped around so much I had to add one. If it is steady, try it with out it. If things jump around, you will have to quiet things with something. It's just a steady rest. Good luck.
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Old 01-22-2020, 11:00 AM   #4
duke36
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Default Re: Float-a-Motor rear mount

How much space between the brake cross shaft and the torque tube? The rear mount is required to help support the engine /tranny The newer rear mounts are made of metal, not aluminum and less prone to cracking.
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Old 01-22-2020, 09:49 PM   #5
flintcamp
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Default Re: Float-a-Motor rear mount

Thanks for all of your help. I have aluminum mounts but new rubbers and I'll keep any eye out for cracks. I finally figured out I was missing a rubber and a plate to keep the rubber on. Fabricated those pieces and put a notch in the bracket to accommodate the correct top clamshell cover, (the holes in the previous one didn't align with the bottom and was wired together). The rear mount fit right in there perfectly and I'll sleep soundly now.
By the way, I had been wondering for the last couple of years what that bracket was for until someone on this board mentioned a rear FAM mount. Great board-thanks again.
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Old 01-23-2020, 12:48 AM   #6
Russ/40
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Default Re: Float-a-Motor rear mount

Dont ever be afraid to post! Thats what this site is for, to share information.
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Old 01-23-2020, 04:57 AM   #7
Werner
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Default Re: Float-a-Motor rear mount

Quote:
Originally Posted by Russ/40 View Post
Dont ever be afraid to post! Thats what this site is for, to share information.
Guten Morgen flintcamp.
I can approve that too! A big lot was helped me by my at first unknown Little Green Roadster.

And I had to ask very, very much questions!
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Ford Model A Roadster, 1928
Citroen 11 CV, 1947
Honda CB 450 K 1, 1968
Hercules Wankel Rotary Engine, 1976 (Canadian version)
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