[DeTomaso] Distributor gear

[Thomas Tornblom]

Daniel C Jones skrev:
>> The cast iron gear is softer than the cam, just like the bronze gear,
>> so will it kill the cam or wear down just as a bronze gear?
> 
> It'll likely kill the cam gear.  Materials compatibility is
> a tricky subject and one not covered in any of my engineering
> textbooks.  I know of cases where aluminum will wear steel
> (aluminum Buick rocker arms riding on steel rocker shafts),
> so it's not just an issue of what's softer.

Yep, I've had an old BMW where the aluminum rockers had almost cut the 
steel shafts.

> 
> Dan Jones

Thomas