Ever heard of PB B'laster (penetrating catalyst), let that nut soak in it for awhile and the proceed to take it off.
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1989 Ford F-250 (My first diesel, and still own!), 4x2, straight cab, Ford/Sterling 10.25 Rear w/ 4.10:1(Factory!), ZF 5-speed, K&N Air Filter, 3" Straight Pipe (Y-pipe back) w/ 5" tip 265/75-16 rubber, bought w/ only 78,XXX on the clock.
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