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Re: '69 master cylinder cover interchange
[Re: demonH1B]
#1153942
01/11/12 09:24 AM
01/11/12 09:24 AM
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Joined: Jan 2007
Posts: 531
Charlotte, NC
Kowal
mopar
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mopar
Joined: Jan 2007
Posts: 531
Charlotte, NC
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In other words, can you take a new unit such as from Napa or somewhere and use the old bolt on cover...in place of the bolt on cover they currently sell that is a one hump, inverted bath tub looking thing? Yes, I have done it with no issues, just make sure your bolt isn't too long so that it bottoms out before the cap is tight.
Last edited by Kowal; 01/11/12 12:10 PM.
'69 Hemi Charger 500, ‘70 U code Challenger R/T (These and a bunch others at www.dkowal426.com) P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."
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Re: '69 master cylinder cover interchange
[Re: Kowal]
#1153943
01/11/12 11:57 AM
01/11/12 11:57 AM
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Joined: Dec 2007
Posts: 387
n/w, PA
demonH1B
OP
enthusiast
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OP
enthusiast
Joined: Dec 2007
Posts: 387
n/w, PA
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Re: '69 master cylinder cover interchange
[Re: lewtot184]
#1153945
01/11/12 06:46 PM
01/11/12 06:46 PM
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Joined: Oct 2006
Posts: 3,054
USA
b54406barrel
master
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master
Joined: Oct 2006
Posts: 3,054
USA
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Quote:
the master cylinder on the right came of my 69 r/t; the left is the common aftermarket. think the tops will interchange?
I've never had a master for a drum brake mopar with a bail, always been a bolt on. And I'm pretty sure I've seen the 'bathtub' one he's describing & it's a bolt on. The bail MC were for disc cars originally, I think. Maybe some drum replacements have the bail, now? 
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Re: '69 master cylinder cover interchange
[Re: lewtot184]
#1153946
01/12/12 08:55 AM
01/12/12 08:55 AM
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Joined: Jan 2007
Posts: 531
Charlotte, NC
Kowal
mopar
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mopar
Joined: Jan 2007
Posts: 531
Charlotte, NC
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Quote:
the master cylinder on the right came of my 69 r/t; the left is the common aftermarket. think the tops will interchange?
Ok, obviously these two won't swap. This isn't the two I was talking about.
'69 Hemi Charger 500, ‘70 U code Challenger R/T (These and a bunch others at www.dkowal426.com) P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."
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Re: '69 master cylinder cover interchange
[Re: lewtot184]
#1153947
01/12/12 10:17 AM
01/12/12 10:17 AM
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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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Quote:
the master cylinder on the right came of my 69 r/t; the left is the common aftermarket. think the tops will interchange?
not a chance
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Re: '69 master cylinder cover interchange
[Re: XXHEMI]
#1153949
01/12/12 10:49 AM
01/12/12 10:49 AM
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Joined: Jun 2008
Posts: 3,916
usa
lewtot184
master
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master
Joined: Jun 2008
Posts: 3,916
usa
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Quote:
If I am not mistaken? The one on the left is for power drum brakes and the right non power drums.
But I have been wrong before!
Ed
i don't think there is any difference in power or manual master cylinders using drum brakes. disc brakes had a different master cylinder.
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Re: '69 master cylinder cover interchange
[Re: XXHEMI]
#1153950
01/12/12 11:08 AM
01/12/12 11:08 AM
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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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Quote:
If I am not mistaken? The one on the left is for power drum brakes and the right non power drums.
But I have been wrong before!
Ed
Ed, the one on the left is 1971 and newer drum brakes - regardless if power or manual
The one on the right is 1967 thru 1970 drum brakes - regardless if manual or power
Although they will interchange and function as an assembly with no problems,,, the parts of each are unique to each other and are not interchangable
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Re: '69 master cylinder cover interchange
[Re: demonH1B]
#1153951
01/12/12 05:11 PM
01/12/12 05:11 PM
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Joined: Nov 2008
Posts: 1,565
tennessee
pushbutton
pro stock
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pro stock
Joined: Nov 2008
Posts: 1,565
tennessee
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Quote:
Does anyone know if the two hump m/c cylinder cover, drum brake, will fit the after market m/c, which comes with the inverted bathtub cover. [/quote
Yes,if you mean the cover with the raised top with a center bolt.
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Re: '69 master cylinder cover interchange
[Re: pushbutton]
#1153952
01/12/12 05:15 PM
01/12/12 05:15 PM
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Joined: Jan 2007
Posts: 531
Charlotte, NC
Kowal
mopar
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mopar
Joined: Jan 2007
Posts: 531
Charlotte, NC
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Quote:
Quote:
Does anyone know if the two hump m/c cylinder cover, drum brake, will fit the after market m/c, which comes with the inverted bathtub cover. [/quote
Yes,if you mean the cover with the raised top with a center bolt.
'69 Hemi Charger 500, ‘70 U code Challenger R/T (These and a bunch others at www.dkowal426.com) P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."
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Re: '69 master cylinder cover interchange
[Re: gtx6970]
#1153956
01/13/12 02:11 PM
01/13/12 02:11 PM
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Joined: Oct 2006
Posts: 3,054
USA
b54406barrel
master
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master
Joined: Oct 2006
Posts: 3,054
USA
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Quote:
I have a couple original mopar drum brake master cylinders and one or 2 of the aftermkt masters with the single hump lid.
Over the weekend , I'll pull the lids off one of each and see if they interchange with no issues.
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Re: '69 master cylinder cover interchange
[Re: BTTG]
#1153958
01/13/12 02:29 PM
01/13/12 02:29 PM
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Joined: Oct 2006
Posts: 3,054
USA
b54406barrel
master
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master
Joined: Oct 2006
Posts: 3,054
USA
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Quote:
Without falling into possibly being tricked by the cap how can you tell if the master cylinder is original (original type) for a 69?
stampings on the MC body?
Yes, stampings along the bottom & front. The new replacement I bought from Napa in '78 had that extra little bump right on the front & originals don't have that so it's easy to spot. It did come with that cap though which looks just like an original, even down to the bolt head having that funny little 'H'.
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