View Single Post
Old 06-27-2013, 02:14 AM
whunter's Avatar
whunter whunter is offline
Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,354

Originally Posted by ROLLGUY View Post
A neat trick I learned from my radiator shop guy, is to put a small piece of magnesium in the cooling system. It somehow counteracts the electrolysis damage that occurs in cooling systems/engines with a lot of aluminum. Also, not to add to the coolant debate (I have not read the old threads on the subject and want to learn), but if not green, what coolant came in the 1980's Diesel MB's? I can see that the newer aluminum head engines probably need different coolant, but the older iron head engines probably came with green coolant from the factory (only coolant available at the time?)....Rich
This is actually a GOOD idea that has been around longer than any of us have been alive.

If you want to research the topic, use these terms:
Galvanic anode
sacrificial anode
sacrificial anode radiator cap

ASE Master Mechanic

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Heat exchanger durability.
HV-A/C Climate Control.
Prototype Vehicle build.
Prototype Fleet Durability
Prototype vehicle instrumentation.
Technical Quality Auditor.
Automotive Technical Writer

1973 300D
1973 309D - stolen
1978 280SE
1980 240D
1983 300D
1984 190D
Reply With Quote