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Old Mar 14, 2007 | 10:41 AM
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Default master cylinder ?

I have an 81 and wanted to know what size bore I have- a 1 or 1.125" bore?

I would measure, but i'm trying to get one off of ebay today and can't get to my car to check. thanks again.
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Old Mar 14, 2007 | 02:33 PM
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All C3's came with 1" for manual brakes or 1.125" for power.
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Old Mar 14, 2007 | 05:10 PM
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And in '77 they changed the pilot hole from a deep, around 1", to a shallow, around 1/8".
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Old Mar 14, 2007 | 08:56 PM
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You have a 1.125" bore. Don't be fooled by eBay ads for a master cylinder that fits a wide year range through '82. They have a 1" bore. They will bolt on just fine, but the pedal travel will be too long. (Don't ask me how I know. )
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Old Mar 15, 2007 | 08:09 AM
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Gotcha- thanks... sorry about that- we live and learn don't we
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