Saturday, July 3, 2010

Modifying a '63 rear brake drum for a '62

It's only fitting, really, that one of the slowest Type 34 restorations ever should get one of the slowest brake jobs ever. That's what I get for trying to keep things correct for an early '62. Over the last few months I've been trying to locate the early parts I need without much luck. The unique early '62 brake parts are really hard to find, so you have to buy them when you see them even if you don't need them yet, because you eventually will. I've already found it's possible to modify a Type 1 oil slinger to work with a Type 3 drum. The drum itself was the next hurdle.

Over the VW Classic weekend I tried to track down an NOS or good used '62 rear drum without any luck. For a moment I thought I'd hit paydirt when I saw an early pinwheel drum in a box of NOS oval drums, but alas it turned out to be an NOS early front. I promptly scooped it up for future use.





Mmmmmm...Cosmoline.

A few other potential leads failed to pan out, so I decided it was time to drill a hole in the existing '63 drum on my Ghia to accommodate the oil slinger.



In this photo of my car's original beyond-tolerance doorstop you can see said hole at just after 12 o'clock. If you look closely you'll see there's a slight depression in the casting below the hole to allow clearance for the oil slinger tube.



Fortunately the '63 drum's casting also includes this depression, helpfully indicating the drilling location and saving me some time with a Dremel tool. After measuring carefully I drilled a pilot hole and then the final 8mm (5/16 in.) hole.



Testing the fit with an original Type 3 slinger. It's good to go. After a little cleaning and painting today the left rear brakes will be ready for reassembly.

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