Never had a problem with poly-urethane personally. Matter of preference. Used them in a hot 66 Nova and a 65 Corvette. Used reputable suppliers and was happy.
Good luck.
S
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Never had a problem with poly-urethane personally. Matter of preference. Used them in a hot 66 Nova and a 65 Corvette. Used reputable suppliers and was happy.
Good luck.
S
I might eventually go to poly mounts, but in the stage of my build I wanted rubber that's a little more compliant, so I can squish it up or down as needed. I plan to stiffen up the body shell a bunch in the future, but still isolated from the chassis.