So are you indicating the best coolant for any GP is Prestone extended life antifreeze for my 00' GP SE w/ 120+Kms.?
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Originally Posted by GTP Dad
Welcome to AF!!
To answer your question the answer is no! The residue you are probably seeing is residue from the Dexcool that is in your radiator. If it bothers you have the system flushed and then replace the coolant with Prestone extended life antifreeze. It is much better and will mix with any remaining Dexcool in the system and it won't hurt the engine.
As for the supercharger oil it will have a foul smell. It really stinks. Use a turkey baster and a piece of hose the will fit and draw all the old oil out and then replace it with two bottles of GM supercharger oil. This will help prolong the life of the supercharger and will make it run quieter.
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