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I ended up calling Peak’s tech support. Spoke with a friendly gentleman that has classic cars himself. He stated that whatever their green IAT coolant does for protection, their 10x does it better, for longer. He also stated even though it says ten years on the bottle, there is no way he will...

Because I have read certain types of coolant will eat lead and solder. And sometimes, to manufactures cars older than 30 years aren’t even considered in their testing, because they make up such a small percentage of their sales. I will have to give peak a call and see what they have to say...

The question I have with peak 10x, nowhere does it state how it does with copper and brass. I don’t know if they are just stating that fact about only the cooling systems from the last 25 years that are all aluminum without the old style radiators and heater cores. If they would provide that...

Any reason to add an anode to the radiator?

I will have to look into Evans a little more.

I do have all these coolants available to me. Local Napa has Zerex conventional green. The peak 10x I can’t find any info on about how it treats brass vs conventional green or even G-05. I like that Zerex posts that info on their site. If it was comparable to green, that would be an easy...

I am completing a full restoration of a 1969 340 Dart. It has a cast iron block and heads, aluminum intake and brass radiator/heater core. The engine and all cooling components are bone dry and haven’t seen any antifreeze yet. I want to put something that will protect fairly fast and last...