There was no ( MAF ) Mass Airflow sensor used in that year. Not used until 1996.
It doesn't have a maf sensor, it uses a map sensor.
Yes
4L80
That would be the 4L80E
does a 1992 Chevy 2500 2wd differential have a vent tube
NO.
I'm sure that was the 4L80E transmission.
NO.
NO, they were not used on that year.
There is no MAF on a 1987 Chevy 2.5L engine.
What is the horsepower of a 2000 chevy 2500 7.4
Yes you can.