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daveymc29 · 03-13-2018, 05:17 PM

I had a lot of drumming noise on a 31 coupe. I installed a good sound deadener most everyplace I could reach and still have a fair amount of noise and some of it seems to be related to engine speed and maybe even coming from the engine vibration to the frame. This car has float A motors instead of the stock motor mounts. I suspect the noise might subside if I install the originals with the new rubber insulation pieces, but wonder it I'd get the same result with a full set of new biscuits for the float a motors. Anyone have any experiences along those lines?

03-13-2018, 05:17 PM	#1
daveymc29 Senior Member Join Date: Sep 2010 Location: Danville, CA Posts: 1,554	Float A motor and noise I had a lot of drumming noise on a 31 coupe. I installed a good sound deadener most everyplace I could reach and still have a fair amount of noise and some of it seems to be related to engine speed and maybe even coming from the engine vibration to the frame. This car has float A motors instead of the stock motor mounts. I suspect the noise might subside if I install the originals with the new rubber insulation pieces, but wonder it I'd get the same result with a full set of new biscuits for the float a motors. Anyone have any experiences along those lines?