Re: 6 blade fan for 35 Ford?
I built a rig to check fan balance. I also had one that shook. I welded a disk onto a rod and machined it so the fan would attach to it. I mounted the shaft in a couple of bearings. I played with it untill it did not have a heavy spot. I have also expeienced a bent pulley. Replaced the pulley and all was fine.
Here is a pic of the fan I put on my coupe. It keeps the engine very cool.
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