Fred,
How did you change to the Datsun drum on the front of your '55 where the
drum and hub were originally combined in one piece? Is there a later
disk wheel hub that you use with the drum, or is the wire wheel hub the
only option?
--Steve
FPS3@aol.com wrote:
>
> Don & all.
>
> Datsun Z car drums fit with some mchining. Most Morgan racers seem to have
> them- I wrote the proceedure in my book 7 years ago- here it is.
>
> I saw the drums advertised "some machining required" for TR's- in a Roadster
> factory add years ago. I called them (a year later...) and they had no more-
> but told me that they were just Z-car drums. So I went to a boneyard, bought
> some & yea... they work and work well.
>
> You have to enlarge the center hole, drill the four holes for the drive pins
> and the two for the bolts that hold the drum to the hub. Do not counter-sink
> the holes for the bolts like the iron drums. Wheels will still clear with no
> problems. I take mine to a machine shop to have the work done. Either take an
> old drum or better, a hub for them to use as a pattern for the holes. Look
> for a chamfer on the edge of the iron insert. If there is no chamfer left-
> then the drum has already been turned to or beyond the safe limit.
> I've don a lot of these. It costs me 20-40 bucks per drum to have the
> machining done- depending on how many are done at once.
>
> There are also fined iron drums of the same pattern. I buy the drums used-
> look for the chamfer. Might have the machine shop turn the drums too. They
> usually do a more accurate job than an auto machine shop.
>
> If you can open JPG files I'll send you a photo or two.
>
> fred sisson
>
> I had them on all four wheels on my '55. Really eliminated fade.
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