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Author Topic: 68 z master cylinder  (Read 2660 times)
fireZ
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« on: April 22, 2007, 07:39:04 PM »

What is the correct colour for a 1968 Z28 master cylinder. Black or cast Thanks
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1968 Z28 LA Built
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lakeholme
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« Reply #1 on: April 22, 2007, 08:20:03 PM »

According to Jerry's book, page 57:
Master cylinder was natural cast.
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Phillip
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fireZ
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« Reply #2 on: April 22, 2007, 08:23:27 PM »

Thanks I have seen that and then I see pics of high end cars that have them painted black
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1968 Z28 LA Built
LIC # RPO Z28
william
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« Reply #3 on: April 23, 2007, 12:09:30 PM »

There is debate on this. Vintage photos show masters painted black; the theory is the paint did not adhere well and quickly fell off. Current judging allows either finish.
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1968RSZ28
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« Reply #4 on: April 23, 2007, 12:57:09 PM »

I'm looking at the March 1967 issue of Car and Driver, their first test of the Z/28.  A black and white under the hood photo (page 38) shows the master cylinder in a natural cast color as compared to the black cowl plenum air cleaner, radiator, etc.

Paul
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fireZ
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« Reply #5 on: April 23, 2007, 01:41:01 PM »

Sounds like cast is the colour of choice for the master cyl. thanks for the help
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1968 Z28 LA Built
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KurtS
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« Reply #6 on: April 23, 2007, 02:36:42 PM »

The masters were all painted black by the supplier. This has been confirmed by JohnZ.
It was cheap paint on a raw casting and it did not hold up.

Judging allows either, but they were black originally.
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Kurt S
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jeff68
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« Reply #7 on: April 23, 2007, 03:18:15 PM »

The master cylinder on my original owner 68 L30/M20 was painted black.  It's good to know that I was correct painting it black again after restoration.
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68 L30 / M20 Convertible
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