Adam's correct. The hub is recessed. Well, mine are.
- Bob Mann
Adam Bradley wrote:
>
> This answer doesn't quite make sense to me. IIRC, the drum fits fairly
> tightly on the studs, then even tighter over the shoes. The hub never
> protrudes through the drum to center it. However, with the larger 12mm
> studs, the stud holes are probably larger on a 240z drum.
>
> What is the advantage to running 240z drums? Could you use 510 drums,
> since they use essentially the same shoes?
>
> At 02:48 PM 5/28/2002 -0400, Peter Long wrote:
> >Marc sent me this response to my question - I had not thought of this.
> >
> > Has anyone done the appropriate machining of a 240Z drum hub opening,
> >to make it work on a roadster? Any recollection of just how much bigger
> >the hole needs to be?
> >
> >Thanks again
> >
> >Pete Long
> >
> >
> >--------------------------
> >
> >The center hole in the Z drums is much smaller than the Roadster drums.
> >While I've never acutally tried a set of Z drums on a Roadster, I doubt
> >the center hole will fit over the hub. I also belive that both car's
> >drums are what's known as hub-centric, that is the center hole fits
> >tightly over the hub to center the drum properly. That means to used a
> >drum you would have to have the center hole remachined to fit the
> >Roadster hub exactly. It would need to be precise and acurate machining
> >and not just sloppy clearancing work.
> >
> >--
> >Marc Sayer
> >82 280ZX Turbo
> >71 510 Trans Am vintage racer
> >
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>
> Adam Bradley
> '70 Datsun 1600 Roadster SPL311-28181
> '66 Datsun PL411 sedan PL411-022447
> http://www.picturetrail.com/abend
>
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