Re: {Chrysler 300} 300 K Bendix booster

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-----
From: apozdol@xxxxxxxxxxx
To: chrysler-300-club-international@xxxxxxxxxxxxxxxx
Sent: Fri, Oct 1, 2021 3:46 pm
Subject: {Chrysler 300} 300 K Bendix booster

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.

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