I just bought another old Ford F150 - a guy had a 1985 with a 351W and a 4barrel carb and the C6 transmission - no rust just some baked paint from being in Arizona. It had sat a lot and probably hadn't seen 50 miles in the last year. Son drove it for a couple days and it brought back an old issue - the transmission was slow to engage when placing it in drive or reverse at start up. This is a common issue with the C6 when they are old or have a lot of miles - some seal inside the transmission doesn't seal until its warmed up. Dropped the pan and drained the torque converter so we got 95% of the oil out of it and it looked pretty dark.
Replaced it with 3 jugs of Valvoline Max Life trans fluid and added one bottle of Blue Devil Transmission sealer. Immediately after changing the fluid it still had the issue. A week later the hesitation to go into drive was gone. I think the combination of new fluid and the Blue Devil sealed things up - for now. I have had good luck with Blue Devil products - I got turned on to them watching them work on Road Kill under the worst conditions imaginable.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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