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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,005 Posts1,055,266 Members48,418 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Sep 2008 Posts: 125 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2008 Posts: 125 | I know for sure that Harley's ( I'm an H-D wrench) use a residual pressure valve for drums, but not for discs. I think it's because drums use the return springs to pull back the pistons, where discs get pushed in via the spinning rotors ( high spots) You MIGHT need to ditch the residual valve with discs. Emphasis on MIGHT!
Who is John Galt?
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