Keep in mind I drained system including both engine plugs and flushed to where it was clean water running though. Hard to get ect up 190. Eventually I just covered radiator found so good hills around my area.

 

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That's pretty nasty. Pull the thermostat for the clean flush. It will take MUCH less time.

 

It was already pulled before vc9 thats why it took so long to get ect to 190. But loose turbo line under air box helped me achieve high rpm's and low speed to get to 190 in about 5 miles. Wasn't getn above 125 in shop at 1200 rpm. eot got up to 225. Im doing final flush, coolant then tearing it back down next week for the oil cooler. Couldn't flush before cuz of ruptured egr cooler, but thats taken care of now. Hoping my coolant is reusable.