Hiney.......ALL engines "smoke". Yes, do a dry compression test FIRST. N-Engine specs is 90psi minimum; new engines are about 125psi. Only do a "wet" test iff'n dry is below 90psi. Pour about 1-oz (teaspoon) down the sparkie hole and test again. Use at least 6-rumpas fer each test. Iff'n wet test is still below 90psi, then an ATF soak would be in order. Remember, after a "wet" test yer engine will SMOKE!!!
ALL 9N/2N's have 3-speed trannys and weird 4-nipple dizzys. 8N's have 4-speed trannys. ........smokeless Dell