C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Brake master cylinder difference

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Old Jun 5, 2009 | 06:13 AM
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From: Victoria
Default Brake master cylinder difference

Need to replace the brake master cylinder on my 89 due to leaking(at booster)
I had initially planned to hone out and insert a stainless steel sleeve and put in a kit.
I know 86 and 87 are the same,The 88 is a one off, 89 to 91 is the same but what confuses me is that I currently have two resivours on mine,however some sellers are selling master cylinders that have only one fluid resivour with a connector tube to the front inlet and state that these suit the 89 what is the difference?
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Old Jun 5, 2009 | 12:49 PM
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'89 was upgraded (what it was I don't know) for the ZR1 which uses same. I'd stay with it - it's the brakes!
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Old Jun 8, 2009 | 06:39 AM
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The current Mid America catologue shows the 89-91 AC Delco master cylinder as having only one reservoir,which is what the 86-87 looks likeI'm confused now on what I can use as a replacement..Any suggestion's?

Last edited by Qiken; Jun 8, 2009 at 06:41 AM. Reason: further info
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Old Jun 8, 2009 | 08:18 AM
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My '90 has 2 reservoirs if that helps.

Last edited by jimmers; Jun 8, 2009 at 08:35 AM.
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Old Jun 9, 2009 | 02:52 PM
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Picture isn't right and may only be representative - there are 2 - instead of risking it, try NAPA or somewhere else. These puppies are Aussie sourced so make sure you get the real deal.
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Old Jun 10, 2009 | 03:17 AM
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Originally Posted by SunCr
Picture isn't right and may only be representative - there are 2 - instead of risking it, try NAPA or somewhere else. These puppies are Aussie sourced so make sure you get the real deal.
Is ridiculous,yep PBR made in Australia, but cannot source them direct here,only from the U.S.
Bit like DBA vented Rotors,I thought it stood for "Disc Brake Australia",come with patented Kangaroo paw vents and saw them advertised in the U.S.Umm I thought,DBA ? Kangaroo paw technology?must be a sets from Australia.Contacted DBA Australia,who said They dont make them for the vette's,they are made by their subsiduary group in the U.S. ..you guessed it DBA"Disc Brakes America"

Last edited by Qiken; Jun 10, 2009 at 03:25 AM.
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