Peruse this.. http://www.cgenterprises.com/drain_plugs.htm
Everything you hoped you would never need to know.
DOS means double oversize
SOS means single
TOS you take it from here 
__________________
The Golden Rule
1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)
Last edited by jbaj007; 02-15-2003 at 11:31 PM.
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