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09-07-2015, 03:48 PM | #41 |
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Re: Float-A-Motor mounts
I have seen FAM's used with the stock front mount... The front mount does more of a balancing act then support of the motor...I bet many didn't want to drill out the frt crossmember and make a permanent disfigurement..
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09-07-2015, 11:58 PM | #42 |
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Re: Float-A-Motor mounts
Pepeloco, that was hilarious! Thanks for making me laugh out loud!
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09-08-2015, 12:38 AM | #43 |
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Re: Float-A-Motor mounts
I have been running FM with the stock front mount for years with no problems. I didn't know of any other way.
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09-08-2015, 02:50 AM | #44 |
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Re: Float-A-Motor mounts
Just make sure you properly install the rear transmission mount. I think this is key to stopping the engine movement issues Brent refers to above.
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09-08-2015, 09:50 AM | #45 |
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Re: Float-A-Motor mounts
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09-08-2015, 11:05 AM | #46 |
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Re: Float-A-Motor mounts
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09-08-2015, 11:37 AM | #47 | ||
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Re: Float-A-Motor mounts
Quote:
Quote:
Does the front FOM come as a separate kit or does it all come as one kit (Front and Rear)? I'm not planning on changing anything, just curious because so many have mentioned they only have the rear. Oops sorry, should be FAM not FOM. A Ford O Matic is a ford Automajic trans from the 50's, usually hung on the back of a Y-Block... Last edited by Y-Blockhead; 09-08-2015 at 06:50 PM. |
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09-08-2015, 11:53 AM | #48 | |
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Re: Float-A-Motor mounts
Quote:
Now, what a lot of A/B owners, who use rear engine FAM mounts....are not aware of, is that you should / must install the mount (FAM ?) that goes under cross member and attaches to the rear of transmission/u joint cover (top two bolts,etc). There is a RUBBER snubber/bumper that keeps the engine more in alignment when using FAM system. Otherwise, engine WILL move /shift more than it should under torque. |
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09-08-2015, 12:03 PM | #49 |
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Re: Float-A-Motor mounts
Hardtimes,
There IS an available FRONT FAM set up. It's much like the '32 Model B. Bill W.
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09-08-2015, 12:29 PM | #50 |
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Re: Float-A-Motor mounts
but you have to drill holes....and is it still a balancing act as if your using the stock rear mounts? or does the FAM create so much flex that the motor needs to rest on the ffront
Last edited by Mitch//pa; 09-08-2015 at 12:35 PM. |
09-08-2015, 12:58 PM | #51 |
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Re: Float-A-Motor mounts
Front Mount:
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10-09-2015, 04:59 PM | #52 |
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Re: Float-A-Motor mounts
Can someone describe/picture this snubber and mount that goes on the crossmember at the u-joint?
I just put new rubber in the FAM on my car, but didn't see any way to use the rubber block that came in the kit. The car has an original front mount with new springs and the FAM rear mount. This combo drives very nicely and is as quiet as one might expect an A to be.
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10-09-2015, 05:36 PM | #53 |
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Re: Float-A-Motor mounts
With the rubber insulation that FAM's provide, your Model A won't vibrate like a THRESHING MACHINE !
IF you're running stock mounts, for an extra "THRILL", wear TIGHT SHORTS! Bill W.
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10-09-2015, 07:33 PM | #54 | |
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Re: Float-A-Motor mounts
Quote:
If I had an A now, it would F-A-M's in. But there is adjustment that has to be done. I would say if you have a drive train moving, something needs to be fixed. If one does that, they all should. It could just be the ones sold to some people. Herm. |
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10-09-2015, 08:32 PM | #55 |
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Re: Float-A-Motor mounts
I have and like the FAM, but found like Henry1953, they did allow forward movement a little after some hard acceleration on hillclimbs and blocked access to the front pan bolts under the front cross member. I fabricated some "traction bars" for the speedster to secure the rear axle (and the rest of the drive train) in place and no more problem. FAM was not a problem with stock engine and "normal" A driving.
However, with the B trans you should fabricate some mounts for the rear of the trans to the center cross member for support. This can be done and use rubber donuts from the FAM replacement kits sold by the usual suppliers. (I did this for the '39 trans on the speedster, the 32 trans has a different rear retainer but the issue is the same.) But Hardtimes, Jim Brierely and others know much more about B mounting than I do. For the front, I used CarlG's mount, comment #51, but cut it in two in the center and trimmed it for two separate mounts. Last edited by PC/SR; 10-09-2015 at 08:54 PM. |
10-10-2015, 08:09 AM | #56 |
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Re: Float-A-Motor mounts
I have B engine and trans in my 31 A coupe, used the B front mount that spreads out, drill the cross member and used rubber donuts, used the aluminum FM mount that bolts to the frame for the bell housing with the big donuts but had the make the bracket that bolts to the bell housing that sets on the donuts because the housing bolt holes set back about 3/4in. out of 1/4in. stock. Used 41-48 trans gears in B trans, 3:54 rear gears, 40 Ford brakes, Put many miles on in the last 14years. Of course it don't drive like an A, shifts smooth and stops smooth and goes fast. Walt
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10-25-2015, 11:22 PM | #57 | |
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Re: Float-A-Motor mounts
Quote:
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03-09-2017, 12:07 AM | #58 |
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Re: Float-A-Motor mounts
So is there any way to gauge how tight the FAM doughnuts should be? I can feel the engine vibrate or pulse within the mount. Should the mount just be tight enough to stop the "pulsing" and still not compress the new rubber doughnuts? Also, the bolts that come with the mounts are smaller diameter than the doughnut holes. Would it make sense to upsize the bolts to fit the holes snugly to give a firmer fit and minimize engine fore & aft movement?
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03-09-2017, 08:29 AM | #59 |
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Re: Float-A-Motor mounts
Okay, I am totally confused. I am going to invite Bill Williamson and his son Mitch to my shop for a work session, LOT's of beer and maybe some pretzels and get them to an agreement on this issue.
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03-09-2017, 10:36 AM | #60 |
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Re: Float-A-Motor mounts
IF you want your car SMOOTH & QUIET, install front & rear FAMs & a flexible exhaust hanger.
IF you don't CARE, DON'T READ ALL THIS STUFF! Bill Quiet
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