Rob, I did two things at once, I removed the thick foam seal and bought a hobby level Vacuum Brake Booster Pin Adjustment Tool on eBay, $20.00! I found the adjust out too far from the rebuilder, where I had in fact sent the dual master in with the booster. Works now! Which booster do you have; Bendix,..? I found a bulletin on a Imperial web page that the new Midland Ross for 1964 differed between the A-B bodies and the C bodies and cautioned against interchange. I had suspected that my Bendix booster was rebuilt with a more common smaller cars kit at first. Also found that for 1964, this bulletin states that Chrysler reduced the brake pedal swing by 1.4”. I suspect this may also dictate a specific rebuild kit for ’64 boosters. Allan From: Rob E. <keepitfun@xxxxxxx> Did you get a final resolution to this? I finally got my booster in, everything lines up ok but I have to stand on the pedal to get braking. Thanks! On Monday, October 4, 2021, 05:39:09 PM EDT, <apozdol@xxxxxxxxxxx> wrote: I got out and quickly attached the master to the booster and went for a spin after removing that foam filter. Brakes work good now! I still feel the slop in the front rod. Will adjust when tool gets here-next week! Here is a picture of the foam I removed from the push rod flange. When I held this in my hand and blocked the hole with my pinky, it was hard to blow through this! It packed down pretty tightly. I don’t know if this is the latest thing supplied in a rebuild kit. The Corvette guys still sell the Bendix scotch brite filters and the smaller boot. Here also is a pic of the booster when I first removed it. Is this a 64 booster, or a later style bellows on perhaps a previously replaced booster? Not in the parts book! The filter is under the head of the bellows and not in the can. From: apozdol@xxxxxxxxxxx <apozdol@xxxxxxxxxxx> My K is the 360HP single carb. The Bendix is in the 64 manual and is listed in the parts book for the VC2. I have drums and converted to a dual drum brake master cylinder. I have tested the console vacuum gauge and it reads 2”-4” less than my vac hand pump. I have a gap in the push pin to the master. I did provide the rebuilder with the master when I took the booster in. Here we go again! I have ordered an adjuster tool used on Corvette Bendix boosters. I have also removed a thick restrictive 1” thick foam “filter” inside that was under the bellows filter. Will let everyone know on that one. From: kmaniak@xxxxxxx <kmaniak@xxxxxxx> I have a lot more questions than I have answers at this point. The 1964 Chrysler came with either a Midland Ross or Kelsey Hayes power brake booster from the factory. Having a Bendix booster is different and begs the question, why the change? Are you still running OEM four wheel drum brakes or has a front disc conversion occurred? Disc brakes take a lot more pedal effort than drums. Having the full story would help. Chris the K MANIAC -----Original Message----- Need some input. I had my Bendix brake booster rebuilt and upon my recent maiden voyage, I didn’t feel any power assist on the brakes. What vacuum level should I expect on my 360HP 300K? The gauge is showing 14 and it dropped when I applied the brakes. All new vac lines and all new brake system. With the worn cam chain, I pulled 140-150 compression when I first got the car. I took the booster back to the rebuilder today, this for the third and he showed me it was holding vacuum at 25 on his bench. He tells me I need 19 for the booster to work! Joy, rapture! Any experiences to share? With the K cam, is 14 typical? It’s in the normal green zone! If this is too low, now thinking through this, I fear that when I had my damper rebuilt at the cam chain process, they may have gotten the TDC mark off. -- -- For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang --- You received this message because you are subscribed to the Google Groups "Chrysler 300 Club International" group. To unsubscribe from this group and stop receiving emails from it, send an email to chrysler-300-club-international+unsubscribe@xxxxxxxxxxxxxxxx. To view this discussion on the web visit https://groups.google.com/d/msgid/chrysler-300-club-international/008e01d7da2b%24b94cdc70%242be69550%24%40comcast.net. |
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