[DeTomaso] Aluminum Pulleys

[Dave Doddek]

I was once told by a March employee that they make OEM size pulleys for the
Pantera but do not list them in the catalog.  I have never tried to order
them but if someone calls them, them might just be available.

Dave "Want serpentine" D


At 05:04 PM 6/14/2006 -0500, you wrote:
>> All 11 of my pulleys and idlers are aluminum. A word of caution,
>> however, aluminum is soft and I don't believe it holds up well
>> without being hard surfaced. I had all my pulleys hard surfaced
>> and they seem to be doing OK.
>
>I've heard that untreated aluminum pulleys wear quickly.  I believe
>March makes there pulley out of 6061-T6 and hard coat the wear surfaces
>(to 65 Rockwell "C" scale).  A local guy is making some custom pulleys
>out of 7075 and then dipping them in some sort of surface treatment.
>
>> I can't see any advantage to having aluminum pulleys.
>
>I need a second set (keeping the first set for the backup motor) and
>thought I'd save some weight.  That cast iron crank pulley is heavy.
>
>> You may have trouble finding an aluminum water pump pulley.
>
>March shows aluminum water pump, crankshaft and alternator pulleys for
>the 351C.  They make a couple of sets, one that underdrives (relative
>to OEM Ford, not the Pantera) and one that overdrives using a different
>size water pump pulley:
>
>  underdrive set
>    crank pulley       5 1/2"
>    water pump pulley  6 1/4"
>    alternator pulley  2 11/16"
>
>  overdrive set
>    crank pulley       5 1/2"
>    water pump pulley  5 1/4"
>    alternator pulley  2 11/16"
>
>Dan Jones
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