Highest mileage truck

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So who has the truck with the most miles on the odometer? Proud to say my 70 rolled over 500k miles a couple weeks ago. Alot of them as a kids truck. Do have to say there's not many original parts left. The cab, frame, trailing arms, speedometer/fuel gauge, and a few interior components are original. Literally every single other part has been replaced. Most of the parts are 72. It's still 6 lug but has power discs now(used to be manual drums), 3" drop, blazer tank, 80 350 4bolt with 89 l98 heads, 82 th350, 69 rear .. hehe could go on and on and on. Probably the most durable original part was the th350. It lasted to about 430k miles before I changed it out. Still worked but we tow a horse trailer on occasion and I was afraid the wife would have it give up on her. Anyway, here's a pic on a campin trip this year.