Master cylinder mounting
#2496342
05/15/18 11:02 AM
05/15/18 11:02 AM
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Joined: Jul 2012
Posts: 168
Loves Park, IL
HotRodRailroader
OP
member
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OP
member
Joined: Jul 2012
Posts: 168
Loves Park, IL
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I need to know where to get the master cylinder studs and the plastic spacer for the master cylinder to firewall. I'm not sure what it is even really called. Car was power but now going manual brakes. I know the manual cars had them. Thanks in advance!
Last edited by HotRodRailroader; 05/15/18 11:13 AM.
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Re: Master cylindercylinder mounting
[Re: HotRodRailroader]
#2496346
05/15/18 11:15 AM
05/15/18 11:15 AM
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Joined: Mar 2005
Posts: 11,269
Slantytown
DUFFMAN
Ask And Ye Shall Receive
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Ask And Ye Shall Receive
Joined: Mar 2005
Posts: 11,269
Slantytown
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The "spacer" is a firewall reinforcement for the master cylinder. What year and model are you looking to do this on? I'm looking to upgrade my 1972 B-body to power disc brakes. Maybe we can work out a swap?
No longer taking $h!t from anyone!
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Re: Master cylindercylinder mounting
[Re: HotRodRailroader]
#2496357
05/15/18 11:26 AM
05/15/18 11:26 AM
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Joined: Mar 2005
Posts: 11,269
Slantytown
DUFFMAN
Ask And Ye Shall Receive
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Ask And Ye Shall Receive
Joined: Mar 2005
Posts: 11,269
Slantytown
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I should have added this is for a 1969 plymouth roadrunner. Not sure if they are the same or not.
I used to have a reinforcement from a 1968 B-body. I can look for it when I get home.
No longer taking $h!t from anyone!
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Re: Master cylindercylinder mounting
[Re: gtx6970]
#2496376
05/15/18 11:45 AM
05/15/18 11:45 AM
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Joined: Mar 2005
Posts: 11,269
Slantytown
DUFFMAN
Ask And Ye Shall Receive
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Ask And Ye Shall Receive
Joined: Mar 2005
Posts: 11,269
Slantytown
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FYI,
there was no plastic spacer on manual brake cars.
master cylinder bolts directly to the firewall plate with a white foam gasket between them As far as I know there was always a steel reinforcement plate installed between the master cylinder and the firewall on manual brake cars. I know my 1972 B-body has one.
No longer taking $h!t from anyone!
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Re: Master cylindercylinder mounting
[Re: HotRodRailroader]
#2496382
05/15/18 11:57 AM
05/15/18 11:57 AM
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Joined: Jan 2003
Posts: 8,018
Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,018
Tulsa OK
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I think Dr Diff sells a reinforcement plate.
68 Barracuda Formula S 340
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Re: Master cylindercylinder mounting
[Re: DUFFMAN]
#2496416
05/15/18 01:09 PM
05/15/18 01:09 PM
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Joined: Jun 2003
Posts: 21,397
It's a dry heat
gtx6970
Too Many Posts
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Too Many Posts
Joined: Jun 2003
Posts: 21,397
It's a dry heat
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FYI,
there was no plastic spacer on manual brake cars.
master cylinder bolts directly to the firewall plate with a white foam gasket between them As far as I know there was always a steel reinforcement plate installed between the master cylinder and the firewall on manual brake cars. I know my 1972 B-body has one. There was always a steel re-reinforcement plate behind either the booster or master cylinder. Be it manual or power brakes - drum or disc ( plates were different for each individual application.) The only 'spacer ' was on power drum brake applications. Even then it was a combination of plastic and aluminum.
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Re: Master cylinder mounting
[Re: HotRodRailroader]
#2551626
09/18/18 07:06 PM
09/18/18 07:06 PM
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Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
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Here is the correct backing plate for 66-70 B-body.
Power has a round hole and manual has a diamond shaped hole.
I might have one. Which did you need? Manual, right?
The ones shown from Dr Diff don't fit your car. Those are for 70-4 E and 71-4 B.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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