I would start with 10 pound. 90 would strip every hole. These are stripped quite easy as it is. Overtightening will also cause them to leak as it distorts the mating surface and doesn't seal good. I suspect 20 pounds max. Put NEW lock washers on and draw them tight and call it good is what I do.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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