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Old 09-26-2009, 09:29 PM   #1
BADPURPLE70CHEVY
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Whats the difference?

I need a brake booster for my 70 chevy and my disk brakes. When you go to the auto parts they ask if its delco or remy? Will either work and whats the difference? I noticed the 71-72 master cylinders look like some have two hold downs for the lid and some on hold down. I ordered a 72 master cylinder+booster combo. Hope it will work.....
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Old 09-26-2009, 09:30 PM   #2
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Re: Whats the difference?

I meant one hold down. I left off a letter....
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Old 09-26-2009, 10:56 PM   #3
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Re: Whats the difference?

You sure you're not looking at a drum brake MC? (70 or earlier) Drum MC's have one hold down wire and a small reservoir and a Disk/drum MC has two wire hold downs and a taller reservoir.
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Old 09-27-2009, 10:08 AM   #4
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Re: Whats the difference?

Quote:
Originally Posted by BADPURPLE70CHEVY View Post
I need a brake booster for my 70 chevy and my disk brakes. When you go to the auto parts they ask if its delco or remy? Will either work and whats the difference? I noticed the 71-72 master cylinders look like some have two hold downs for the lid and some on hold down. I ordered a 72 master cylinder+booster combo. Hope it will work.....
I think they mean to ask is it a Delco or Bendix.
first pic is Delco second is Bendix

Delco-Morraine
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Last edited by mbgmike; 09-27-2009 at 10:10 AM.
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Old 09-27-2009, 10:20 AM   #5
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Re: Whats the difference?

If it has two hold down clamps its a Morraine MC
One hold down its a Bendix MC

both can be for drum or power Just depends on who made it.

You should not have a problem

Last edited by mbgmike; 09-27-2009 at 10:22 AM.
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Old 09-27-2009, 11:48 AM   #6
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Re: Whats the difference?

I got a bendix so it should work with my disk-drum 5 lug setup?
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Old 09-27-2009, 12:02 PM   #7
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Re: Whats the difference?

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Originally Posted by BADPURPLE70CHEVY View Post
I got a bendix so it should work with my disk-drum 5 lug setup?

Sure. The booster does not care if its a disc or drum brakes

your master cylinder has 1 1.1/8 bore 1/2"x10 left front connection
9/16"x18 right and a 1.59 push rod depth.
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Old 09-27-2009, 12:09 PM   #8
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Re: Whats the difference?

Thanks, one last thing why does the master cylinder look different from the old one i got off a 72. The old one has two hold downs?
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Old 09-27-2009, 12:11 PM   #9
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Re: Whats the difference?

If its just a brand thing i understand....
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Old 09-27-2009, 12:20 PM   #10
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Re: Whats the difference?

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Originally Posted by BADPURPLE70CHEVY View Post
Thanks, one last thing why does the master cylinder look different from the old one i got off a 72. The old one has two hold downs?
That is a Delco-Morraine

The Bendix will have one
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Last edited by mbgmike; 09-27-2009 at 12:26 PM.
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