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E body brake pedal ratio #3004218
01/11/22 05:20 PM
01/11/22 05:20 PM
Joined: Jun 2007
Posts: 1,169
clarks summit pa
73cuda340 Offline OP
super stock
73cuda340  Offline OP
super stock

Joined: Jun 2007
Posts: 1,169
clarks summit pa
Does anybody know the brake pedal ratio for a 73 e body with manual disc brakes? I don't have access to my car to get a measurement right now. Thanks


1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip, (JA5) Silver Frost Metallic 1973 Challenger Rallye 340 1985 W150 Power Ram prospector 1986 Camaro IROC-Z 305 tpi
Re: E body brake pedal ratio [Re: 73cuda340] #3004329
01/11/22 09:24 PM
01/11/22 09:24 PM
Joined: May 2006
Posts: 1,752
Phila
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PhillyRag Offline
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PhillyRag  Offline
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Phila
Do you mean the 3 pivot/contact points on the brake arm?

Re: E body brake pedal ratio [Re: PhillyRag] #3004331
01/11/22 09:30 PM
01/11/22 09:30 PM
Joined: Jun 2007
Posts: 1,169
clarks summit pa
73cuda340 Offline OP
super stock
73cuda340  Offline OP
super stock

Joined: Jun 2007
Posts: 1,169
clarks summit pa
Yes. I'm trying to calculate the ratio to help determine the master cylinder size.


1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip, (JA5) Silver Frost Metallic 1973 Challenger Rallye 340 1985 W150 Power Ram prospector 1986 Camaro IROC-Z 305 tpi
Re: E body brake pedal ratio [Re: 73cuda340] #3004779
01/13/22 12:27 AM
01/13/22 12:27 AM
Joined: May 2006
Posts: 1,752
Phila
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PhillyRag Offline
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Phila
This is a 74 E brake pedal.

DSCF0028.jpg
Re: E body brake pedal ratio [Re: PhillyRag] #3004821
01/13/22 10:19 AM
01/13/22 10:19 AM
Joined: Jun 2007
Posts: 1,169
clarks summit pa
73cuda340 Offline OP
super stock
73cuda340  Offline OP
super stock

Joined: Jun 2007
Posts: 1,169
clarks summit pa
Thanks alot, I appreciate the picture.


1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip, (JA5) Silver Frost Metallic 1973 Challenger Rallye 340 1985 W150 Power Ram prospector 1986 Camaro IROC-Z 305 tpi
Re: E body brake pedal ratio [Re: 73cuda340] #3004890
01/13/22 01:58 PM
01/13/22 01:58 PM
Joined: Sep 2003
Posts: 19,336
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

Joined: Sep 2003
Posts: 19,336
north of coder
manual pedal ratio around 6:1 and power ratio around 4:1-5:1, depending on application and booster.
beer







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