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**Tom Vogel** · 11-22-2013, 12:14 AM

I also run a rear 10lb residual valve as a cheap bandaid to solve the typical GM rear-end pad knock back.[/QUOTE]
What is pad knock back?

11-22-2013, 12:14 AM	#17
Tom Vogel 2WD Jimmy Join Date: Mar 2005 Location: Davis County, Utah Posts: 2,565	Re: '71 GMC Track Day Video I also run a rear 10lb residual valve as a cheap bandaid to solve the typical GM rear-end pad knock back.[/QUOTE] What is pad knock back?