Just and idea, I haven't tried this. What if you took the axle and stuck it in a
bucket of cold water almost up to the brake drum, and then heated the drum
while a
puller is supplying some removal force. The aluminum should expand considerably
breaking the "rust" bond.
Craig Wright
farberjf@us.ibm.com wrote:
> OK --- I have a set of these 240z brakes sitting on my shelf.
> I bought them at a bone yard to fit to another car and I didnt use them for
>fit
> reasons.
>
> Includes backing set of backing plates, aluminum drums, shoes...misc. ---used.
>
> I paid 75$, will sell for best offer & shipping.
>
> -----Joel
>
> "In a spin, both feet in, when in doubt, both feet out."
>
> Jack W Drews <vinttr4@geneseo.net> on 10/16/99 11:17:01 AM
>
> Please respond to Jack W Drews <vinttr4@geneseo.net>
>
> To: DGreimel@aol.com
> cc: morgans@autox.team.net, vintage-race@autox.team.net
> Subject: Re: brake drums
>
> Rear brake drums from the 240Z (and the rest of the series up to the rear disc
> brakes) are a popular conversion for Triumph 3/4/6 running in vintage racing.
> The drums have the proper diameter and width and have the same bolt hole
> circle as the Triumph.
>
> A small amount of machining is required.
>
> 1. The center hole must be enlarged slightly
> 2. The groove around the outer circumference on the drum, where the backing
> plate fits to provide a kind of dust / dirt seal, must be deepened
> 3. The bolt holes must be reamed out to fit the shoulder on the studs.
>
> The biggest problem for us here in the Great Plains is finding these and
> getting them off intact. The center bore fits snugly on the steel axle stub
> shaft, and the old aluminum / steel electrolysis takes place, pretty
> effectively locking the two parts together. Perfectly good drums are regularly
> ruined getting them off, especially when hammers and big pullers are used. The
> last one I took off required drilling a circle of 3/16" holes in the steel
> portion and the use of other blacksmithy means.
>
> Good luck!
>
> DGreimel@aol.com wrote:
>
> > Rumor has it that certain Datsun rear drums, with fins, will fit certain
> > Morgans.
> > Would anyone care to be more specific? I believe they are the early Z car
> > drums.
> > Thanks:
> > Don Greimel
> > `66 4/4
>
> --
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