>I used the Redline Water Wetter when I replaced the coolant after >installing a new engine. The mechanic that replaced the engine used 100% >anti-freeze as well. I think that the engine is running too cold. While >replacing coolant with water when repairing leaks I would guess that I >have mabye 33% water in the system now, and the guage still very rarely >moves out of the white. Only if I let it idle for 20 min or so will the >needle escape the white. The needle used to always be at the redlight. I >am going to replace the coolant without using the water wetter. The >Vanagon just has a huge cooling system that should have no problem cooling >the engine. YMMV. > >Cory >'86 Westfalia > As I recall from tech school many years ago, 100% antifreeze is a no-no. It is a poor heat transfer fluid, and will seep through gaskets. 67% gives the lowest freezing point, but 50% is adequate for most uses, and a better heat tranfer fluid. If the engine doesn't heat up, too much water is getting past the thermostat. The engine should be able to operate at correct tempoerature (~180F) over a range of ambient temperatures of -40F to +130F or greater. I'd check the thermostat. HTH, tk
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