Door sag and Hinge pins

[PeTr0]

Ok my door sags, but just a little bit and it is rubbing against the fender. I think i have to replace the hinge pins and bushings on this door. Any tips for a good job? Do i just cut the old pins? do i have to drill out the holes to install the new bushings. I need instructions please if you have them fax them to me...leave a message.

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Red 1993 Gt- flowmasters,BBK Shortie Headers, BBK Hi-Flow H-Pipe, BBK cold air induction w/K&N, Pro 5.0 shifer, 130 amp alt., underdrives,pioneer cd player and kicker component speakers, Kenwood Excelon amp, 2 12" subs in the hatch,firehawk sz50 all around, timing bumped to 13 deg., ADS Superchip, and mobil 1 oil lubing the 302.