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He's looking for the IAT type coolant that contains a high dose of phosphates and silicates.
Critic, high silicate coolant no longer exists. Go to either the Texaco or Zerex site to see that even the conventional "green"coolants are now low silicate.
Ignoring the import coolants, in the U.S. we have "Conventional", G05, and Dexcool. There are also some "fits all brands" universal concoctions and diesel ready conventionals with SCA.
Color means nothing. John Deere G05 coolant is green.
If, indeed, you are looking for the "old style", conventional coolant:
Speedway sells Zerex conventional. Motorcraft has conventional
Texaco has conventional, but at least two products are in black bottles:
http://www.texaco.com/yourcar/havolinecoolants/findRightCoolant.asp
Peak products confuse me. They have a lot of "fits all brands" concoctions compared to Zerex's 3 basic types (check their site).
Last time I looked, the Tractor Supply (TSC)house brand was also a green, low silicate conventional type.
I prefer the name brands (my nature), but I bet the house brands are the same quality product, probably made by name brand companies.