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#37 |
Registered User
Join Date: May 2016
Location: Willow, Alaska
Posts: 866
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Re: 1978 Chevy K20 longbed with nearly 500,000 miles! LS Swap begins!
Had to at least see what the wheels looked like on it!
![]() I’ve been messing with the brakes more on and off. Ended up taking the drum assemblies apart to double check that everything was okay. Shoes appear to fit perfect. ![]() ![]() I did notice that the shoe material stuck out past the metal portion, so I ground that down in case it was causing the shoe to not sit flat on the backing plate. ![]() ![]() Still not satisfied with the brake performance, I hypothesized that I needed a K30 master cylinder instead of the K20 unit, which gave me 1-5/16” bore instead of the 1-1/4” bore, meaning I would have a higher volume output, stiffer pedal feel, and less pedal travel, which is what I think this truck needs. So I picked up a K30 unit. ![]() Painted! ![]() Bench bled the unit ![]() Just out of curiosity for comparison - it appears the K20 and K30 units are slightly different depths. ![]() ![]() After all of this, I’m still not completely satisfied. I’ve also determined that the hydroboost unit doesn’t appear to be always working as it should, so I’ve ordered a new replacement. Unfortunately, it has an up to 90 day lead time. |
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