your oil leak is probably the rear main, it's a rope seal like the pontiac.
look at the detent [kickdown] cable and see if it's hooked up to the carb, if it is it needs adjusted. there is a button or a clamp that will need to be pulled up to do this . most buicks had a button that was metal. to adjust you push it down with a screwdriver and the cable should retract back against the part that fastens into the bracket. the open the throttle all the way and the cable housing should pull out and stay in this position. drive the truck and see how it shifts. it should shift at 12mph 1-2 and 24 mph 2-3 under light acceleration. hope this helps, mike
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so many pontiacs, so little time..................
moderator is a glorified word for an unappreciated prick..................
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