help!
86 phazer fouls out spark plug on right side left side is firing and brownish had other issues so I replaced needle and seats, cylinders and pistons and rings new crank seals except labrinth seal. has good spark, fuel delivery seems fine. compression is 125 on both cylinders. Still runs weak/sluggish like running on one cylinder! after driving for 5 minutes right side plug is wet and blackish right side is dry and brown. what gives?

86 phazer fouls out spark plug on right side left side is firing and brownish had other issues so I replaced needle and seats, cylinders and pistons and rings new crank seals except labrinth seal. has good spark, fuel delivery seems fine. compression is 125 on both cylinders. Still runs weak/sluggish like running on one cylinder! after driving for 5 minutes right side plug is wet and blackish right side is dry and brown. what gives?