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Author Topic: 69 Z/28 Front disc brake upgrade  (Read 4699 times)
Hero Member
Posts: 705

69 RS Z/28 52E

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« on: November 15, 2005, 12:22:44 PM »

I am in need of front bake work on my 69 Z; my calipers are frozen; anybody done as conversion to higher performance set up such as offered by Wilwood or? I like it to be bolt on conversion. I also like to use silicone brake fluid; This is not recommended by Wilwood; Anybody know why?


Jim Voss

Jimmy V.
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« Reply #1 on: November 16, 2005, 12:09:09 PM »

You'd have to ask Wilwood why they don't recommend DOT5 silicone fluid, but I suspect it's because they assume their brakes are going to be used for racing applications, and silicone fluid is the last thing you want in a race car brake system.

'69 Z/28
Fathom Green
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« Reply #2 on: November 16, 2005, 07:45:32 PM »

Dave Pozzi (old forum) had a whole web page of info re brake swaps with other GM brake systems of the same era. Not the brand new high tech stuff, but still a whole lot better than drums. Not sure its still there, but its worth a google.

Good luck

Tom A

69 X11 Z21 L14 glide
looking for a 69 export model (KPH) speedo
Ed B
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« Reply #3 on: November 16, 2005, 07:49:55 PM »

Here's David's link...

CRG Coordinator
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« Reply #4 on: November 26, 2005, 08:16:00 PM »

Just swap in new calipers and put in some good pads and you'll be set.
Unless you change the swept surface significantly, an aftermarket setup will just cost $$ and not brake any better than the factory setup.

Kurt S
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« Reply #5 on: January 03, 2006, 06:19:55 PM »

I replaced all 4 drums on my '68 Convertible with SSBC hevy duty conversion kits. Front and rear cost about $2000.00, and the kit made it very easy to install both in on a Saturday afternoon. After doing this I found a website that recommended junkyard calipers or even factory replacement calipers up to 1982 that will bolt-on..

Disk Brakes make a great improvement over drum brakes, but next time I'll try Checker or Autozone for factory replacements 1st..
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« Reply #6 on: January 05, 2006, 10:28:37 PM »

Remanufactured calipers (single piston) should be cheap and available at a local parts store, with or without pads.

good luck.


69 RS/SS Cortez Silver, L48 MC1
68 RS Ash/Ivy Gold 327EFI M20
79 Z28 Brown LM1 M21
04 SRT 10
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