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Anyone familiar with these weights GM put on the mono leafs? I can't imagine they were concerned with wheel hop in a 307 nova. Wondering what the reason for them was. Have never seen them on a camaro.
 

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It's actually called a "Dampener Unit" (see number 5 below, P/N 3981802), so I don't believe it was to cure wheel hop, but for some kind of harmonic vibration supression. Only used from 1969 through 1971 on the Nova, so apparently it was useless! I pulled a set of Lakewood "Traction Action" traction bars off a 70 Nova once, and the springs had those on them. At the time I was really confused as to:

a. If they were original
b. What they were used for
c. If they were used on any other car

And again, looks like it was a Nova thing only.

Ed
 

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Thanks Ed, yeah, looks useless. Interesting. Looks like i've got a set of original GM paper weights. And these did come off a 70 nova. LOL :)
 

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I had a Nissan 4x4 years ago and it's leaf springs were weighted like that. I carried a small 6pack cab over on it from time to time and in order to put a helper spring on I had to cut off the weights. I never could find anyone that could tell me what they were for or what would happen if I removed them. No ill effects that I recall...
 
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