Compression Ignition Addict
Join Date: Apr 2012
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Interesting info about Cat EC-1 coolants, they apparently are not created equal!
Went to my Marine diesel shop that supplies me with parts and found out that they no longer carry Shell ELC coolant. They are an authorized repair shop and distributor for multiple marine diesel engines including John Deere, Volvo, Cat, Yanmar, and SCANIA. Apparently Scania has found that Fleetguard OAT is the superior coolant. They tested them all and found that the others have been pitting the interiors of their cooling systems. Shell ELC was the worst by far. Not sure if this is specific to marine diesels, but I will be running Fleetguard OAT in my $25k Yanmar engine exclusively and will be promptly flushing the Zerex out of my Powerstroke and filling it with the same.
2005 Dark Blue F-250 Harley Davidson 4x4. SCT Livewire TS, 4" Silverline TBE, Sinister intake elbow, Riff Raff turbo boots, Blue spring, 6.4 banjo bolts, Sinister coolant filter, Fleetguard OAT, IPR EGR delete, ARP studs.
1998 Dodge Viper GTS. Silver/Blue stripes 1 of 21: Corsa exhaust, high flow cats, K&N filters, smooth tubes