Seats.
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I would be doing some careful measuring. If the holes line up for the bolts, you probably can make them work. If the mechanisms on your 96 are working okay, you may be able to transfer the cushions & upholstery over from the 98. 98 appears to be an "improvement" year. Things changed but not enough to create a new generation.
As the seatbelts on the 98 are actually in or attached to the front seats, be very careful about drilling holes in the floor pan to bolt the seats down. At the very least back them up underneath with some more structural steel.
As the seatbelts on the 98 are actually in or attached to the front seats, be very careful about drilling holes in the floor pan to bolt the seats down. At the very least back them up underneath with some more structural steel.
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