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67chevy1series · 11-15-2012, 02:53 PM

i believe the srpings are to disapate heat... dont know if i spelled that right but supposably the heat transfers out of rht drum and into the spring and then the springs get cooled by air while driving. its kinda like the fins on some of the drums you buy from o'reilys and stuff.

11-15-2012, 02:53 PM	#71
67chevy1series Registered User Join Date: Mar 2010 Location: a t w a t e r cali 95301 Posts: 10,713	Re: 67 GMC super custom build i believe the srpings are to disapate heat... dont know if i spelled that right but supposably the heat transfers out of rht drum and into the spring and then the springs get cooled by air while driving. its kinda like the fins on some of the drums you buy from o'reilys and stuff.