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I have kinda made a friend with the parts fella at Montrose Ford & thought he gave me a pretty good price for the yellow, he also quoted me a pretty good price on the LV trans fluid if I buy it by the box of 12. $77 and some change & they are only about 25 miles away from me & don't have to worry with shipping.
I ended up with about 1/2 gal of 50/50 mix out of the 5 gal I bought left. I had run tap water through 3 times, driving a short spell to reach op temp between each emptying. I was getting about 4 gal out with each drain from the primary & about 1 1/2 gal out of the sec. I then ran distilled water 2x the same way. When I last drained they both ran pretty clear. When I went to fill I figured there was close to 4 gal left in engine & heater & close to a gal in the sec. so I dumped 2 gal concentrate in the primary & about 3/4 gal in the sec then finished with a 50/50 mix. The trick to draining the sec is removing the hose off the bottom that runs to trans cooler (in case you didn't know), the drain petcock is in a helluva spot lol
You might want to check the freeze point of both systems to ensure you got back to a 50/50 mix. Based on your estimate of 4 gallons of water left in the system, and only adding 2 gallons of concentrate and topping off with 50/50, you will be well below a 50/50 mix overall, and run the risk of not having adequate freeze or boil protection.
You might want to check the freeze point of both systems to ensure you got back to a 50/50 mix. Based on your estimate of 4 gallons of water left in the system, and only adding 2 gallons of concentrate and topping off with 50/50, you will be well below a 50/50 mix overall, and run the risk of not having adequate freeze or boil protection.
I believe you are correct about adding the 2 gal of concentrate to my estimate of 4 gals left in the engine, must not have been 4 gal left because after running the truck a few days it read good to -30 on the anti-freeze tester I have. I don't remember what the boil-over read exactly but it was pretty close to the recommended protection.
Well I got the code for the DEF heater the day before I deleted my truck so I'd say the timing was pretty good. Replaced all 4 shocks & other than a front u-joint on the pass.side I believe I'm pretty much done with getting everything set so I have a good idea of what maint needs done & when. Enjoying the added fuel mileage from the delete so far & with the tune I have I haven't seen any soot from the exhaust pulling or empty.
Almost time for an oil change