Hi all, the 351c from my Pantera was completly rebuild and inox steel renew for the coolant tubes but we fill with "Evans coolant" is a waterless coolant, using this product is impossible to have rust in any part of the engine.
If you want do a substitution of your coolant, previously you need to use a special liquit form Evans to eliminate all the water in the coolant circuit, after this process, you can put the Evans Coolant, is not cheap but is good for your engine conservation.
we did a test about the performance and we saw a temperature reduction about 3 celsius degree.
http://www.evanscoolant.com/
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