01-17-2015, 10:32 AM
Aluminum is softer and less chance of damaging, i use a piece copper to true up parts in the lathe. Soft but heavy, won't leave dents in the part.
Love old school
1976 Newell 8.3 cummins allison 6spd
1977 Newell 8.3 cummins allison 6spd