I probably made it worse for you lol. hope it helps!
1986 305 (5.0L) V8 engine-4bbl federal low altitude with automatic transmission
1986 305 (5.0L) and 350 (5.7L) V8 engines-4bbl California with automatic transmission alternate
1986 305 (5.0L) V8 engine-4bbl federal low altitude with automatic transmission alternate
1986 305 (5.0L) V8 engine-4bbl federal low altitude and export with automatic transmission alternate
1986 305 (5.0L) V8 engine-4bbl federal high altitude with automatic transmission
1986 305 (5.0L) V8 engine-4bbl federal high altitude with automatic transmission alternate
1986 305 (5.0L) V8 engine-4bbl federal high altitude with automatic transmission alternate
1986 305 (5.0L) and 350 (5.7L) V8 engines-4bbl federal high and low altitude and export with automatic transmission alternate
__________________
RIP ELJAY

Work In Progress 1979 GMC C1500 Trailering Special.
Getting the truck done, one piece at a time.
“You can tell a lot about a fellow’s character by his way of eating jellybeans.”Ronald Reagan
“I don’t know the key to success but I know the key to failure is trying to please everybody.” Bill Cosby