Compression Ignition Addict
Join Date: Oct 2008
Location: DFW Airport
Thanked 19 Times in 19 Posts
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If you have a low delta, then by all means DO NOT flush with chemicals.
YOU WILL clog your cooler.
Now, back to flushing technique.....
Start with tap, remove at least the drivers engine plug, flush by removing the lower Rad hose, not pet cork.
Flush the radiator by filling it from top hose inlet and stop up the bottom outlet with your hand then let it rush out, do this about 10 - 15 times.
Do the above for a couple of hours then drain everything and refill with distilled leave out the block plug or plugs and let a gallon or so run out of it, then complete flush with distilled water until clear add ELC 3 Gal 100% 3 Gal Dist. in that order and top off to the new cold level with ELC then go on a 100K mile trip around the U.S. you'll end up using 3.5 gal ELC and about 3 gal dist. and a dark red coolant, not Pink like Kool Aid.