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Mod | | | Forums66 Topics128,266 Posts1,058,318 Members48,485 | | 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
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| | | | Joined: Oct 2005 Posts: 1,317 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 1,317 | A couple things I've noted on my brake system installs. Trying to use a salvage yard proportioning valve and getting your system properly bled and dialed in so you control rear drum lockup, especially with a boosted system, is a problem.
I've found that using an adjustable proportioning valve, in combination with the 2 & 10 pound residual valves will save you from a lot of rear brake lock-up headaches.
ECI, Master Power brakes and CPP offer some good insights but have a tendency to push their own pricey combo and proportioning valves. These same valves (Wilwood) are available from Summit/Jeg's for a much better price and let YOU dial in the brake bias based on your own driving conditions and preferences. I have pics of my valve setup in my album. Hope this helps.
Dave | | |
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