Join Date: Sep 2012
Location: Central Valley, Sierra Mountains, California
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I know its recomended to add straight then distilled, if you already bought 50/50 I would take the time to drop the starter and pull that block plug too.
I would also pull the hose off heater core shut off valve as well as where it is supplied from which is the 3/4 upper hose on the Y below coolant tank and blow it dry with compressed air. Then you will be empty and what you pour in will be all your fluid.
If you are switching from Gold to ELC-1 make sure to flush it well. When I switched I pulled thermostat and drained all fluids out refilled with DI water and added 1/2 cup of cascade and went for a twenty mile drive. Drained and flushed 3 times with DI water, last drain poured in 3-1/2 gallons of CAT-1 and arond 3-1/2 Distilled water. Still looks weird seeing Blood Red in the coolant tank, but all is well and feel it was a smart thing to do for the coolers.
Just drain it all out and use what you have.
2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40 or Atlas80 Ficm Tune
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump, BPD way of thinking
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
All riding on some Fatty-Daddy 38/15.50/18 Toyo's