Radiator cap

[MaineShark]

Since I'm re-doing much of the cooling system anyway, I figure it's a good idea to replace the radiator cap while I'm at it.

A couple questions: does anyone make a nice radiator cap with a Corvette logo on it? I think that would look great.

Also, I recall seeing a cap that had a magnesium anode hanging under it, to help protect against corrosion of the aluminum components. I seem to recall that it was supposed to be sold by Zip, but I can't find it in their catalog. In any case, does anyone have an opinion on these?

Joe

 

[JohnZ]

The "dangling anode" cap doesn't do much, and doesn't address the root cause of corrosion in an iron/aluminum cooling system; the most important thing you can do is to run a 50-50 mix of anti-freeze and change it every two years. It doesn't lose its freeze protection capability over time, but the anti-corrosion inhibitor additive package loses its strength as it does its job and needs to be renewed. Aluminum radiators are expen$ive, can't be repaired, and the only thng that protects them is a reasonably fresh anti-freeze mix.