Compression Ignition Addict
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I think the engine holds like 7 or 8 gallons.
I guess it depends on how they do the flush and if they get all of the water out of the engine before they refill.
Typically you go through the process of flushing and end up with 3 gallons of distilled water in your engine. Then fill with 4 gallons of concentrated coolant/antifreeze and then add more distilled water to top off which in the end provides a 50/50 mixture.
Maybe someone can chime in with an answer filling with 50/50 with water already in the block or flushing all the water out completely.
Oh and BTW if you're instructing a dealership mechanic to do the coolant flush you might want to read up on it. There are a lot of threads on this subject particularly for the 6.4.
08 F250 KR CCSB Job 3 4x4 3.73, Mini Maxx, Flo Pro turbo back exhaust, Flo Pro egr delete with intake elbow, Flo Pro 3 inch ic pipe, aFe intercooler, BD Diesel track bar, DieselSite coolant and trans filters, Mishimoto radiator, AirDog II 165, No Limit intake, Rough Country dual SS, Rancho 9000XL, Nitto TG 325/50R22.
Last edited by Capt dong; 04-17-2012 at 01:51 AM.