(1) Marginally was a poor choice of words - 200 is the max that I've seen. -- (2) a) Not just water - water plus additives like -- Red Line Water Wetter -- Lucas Super Coolant -- Royal Purple Ice and others provide lubricant, rust inhibitors etc. -- b) -- Boiling temp is not a concern of mine - for me anything over 212 is a problem. -- (3) My Radiator was made by a local Radiator Shop. -- The Radiator Shop Guy is big on 2 rows with 1" tubes vs. 3 rows of 5/8" tubes. -- All of this works for me - just my 2 cents.
