Jim:I should have replied earlier. For 23 years I put up with poor brakes in my '55C300. Last year I rebuilt my master cylinder / booster myself, recognizing that it really needed to be re-sleaved.. Brakes performed even worse. Upon referral by John Lazenby I sent my master cylinder / booster to Karps. It was returned to me quickly, re-sleaved, better than new, a work of art! For the first time in 23 years I now have fantastic brakes on my '55C300, thanks to John Lazenby and Karps. By separate email, not on this forum, I will be glad to send you some pictures.Good Luck!Bill AllenOn Wed, Feb 5, 2020 at 7:17 AM John Lazenby french_fryguy@xxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:Here is a source on the power brake that can and will rebuild it correctly. I've used them for years and nothing but excellent work and good prices: Custom Brake Shop | Karps Power Brake Service
Custom Brake Shop | Karps Power Brake Service
Get specialty, hard-to-find brake parts from Karps Power Brake Service. Our custom brake shop provides nationwid...John LazenbyOn Tuesday, February 4, 2020, 09:22:39 PM PST, 'Ron Waters' ronbo97@xxxxxxxxxxx [Chrysler300] <chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:
I highly recommend that you rebuild one system at a time.Fuel tank: Look inside. If it's clean and doesn't leak, put it back.Sending unit: Test it with an ohm meter as you move the arm up and down. If you see it's responding to the movement within the 90-10 range, then it's good. Put it back in the tank with a fresh seal.Power Brake master cylinder: This is a unique, one year only m/c. Many places won't touch it. There is a kit supplied by Harmon Industries for rebuilding. Or they will rebuild it for you. These are the only folks that can successfully rebuild it. I rebuilt mine using a spanner tool to remove the rear disk.Power Brake booster: Same information as above. Again, I purchased the rebuild kit from Harmon and did it myself. But they will rebuild it for you as well.Ron
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Jim Jungwirth jk-jungw@xxxxxxxxxxx [Chrysler300]
Sent: Tuesday, February 04, 2020 10:27 PM
Subject: [Chrysler300] Brake and fuel system advice for my '55
My car has not run in many years, so I’m diving into my car’s brake and fuel systems, I pulled the fuel tank, going to have that checked over. The master cylinder is out, I still need to remove the booster.
Wondering what is the best way to go for a fuel sender and brake master cylinder replacement/rebuild and brake booster rebuild. Later on, I will be rebuilding the rest of the brake system. I’m looking for advice, in part, because I’m wary of the quality of new parts these days.
I’ve seen the prices vary quite a bit for the new fuel senders. Mine may be relatively old because it has a cork float on it. Is 90-10 ohms the correct resistance? Is rebuilding the way to go for these? Is there a preferred vendor for new ones?
There seems to be no new master cylinders available. I know White Post Restorations does master cylinder relining and booster rebuilds. Booster Dewey also rebuilds boosters.
I appreciate any and all help.
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