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I know there are many posts re: which antifreeze but does anyone have any knowledge of Cat EC-1. Claims long life and all SCAs. Local walmart has it for $19.95. Any advise appreciated. I have the green stuff in early '99. Thanks, Carroll
Shell makes a similar coolant... Shell Rotella ELC. Kwik had a thread about it a while ago, heres the link http://www.ford-trucks.com/forums/sh...d.php?t=425456 . Theres a debate over wether its compatable with certain model year engines. Ford says no, some owners say they havent had problems. I'm considering doing it to mine this summer, just so I don't need to worry about the SCA's for another 300k miles. If you're planning to do it, read up on it before hand. You need to make sure to get ALL of the old coolant out. While you're at it, throw a coolant filter on there to catch all that gunk floating around. Its amazing how much sand is left over from casting...
01 F-350 CC 8ft bed SRW 7.3L a/t. 190k
PAA Member #7
The Cat EC-1 rating is exactly what you need. Any coolant with that rating or the ASTM D-6210 rating will work without the need for supplimental additives. The ASTM D-4985 is also a heavy duty spec. coolant, but will require the use of SCA's. ASTM D-3306 is your basic light duty coolant that you want to stay away from.
His: 01 F-250 Lariat, 7.3, ZF-6, NV271
Hers: 06 Freestar SEL 4.2l
79 Bronco Ranger XLT.. used be the driver, now waiting to become the project.
96 Grand Marquis LS... 25 mpg commuter
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