primetime
sawmill slave
If it`s an original 87 diesel and it hasn`t been swapped, it`s a 6.9. 88 was when they went to the 7.3. Personaly, I would put a turbo on the 6.9 and call it good. They are supposed to out run stock mid 90s Powerstrokes. Of course, the Powerstroke has more mod potential.
Or you could drop a Cummins in there and dust them both.
Or you could drop a Cummins in there and dust them both.