Yes you can. But you will need to use a different intake manifold,one ment for a early model small block engine
valve seals. Can be replaced with engine in truck & heads do not have to be removed.
The cylinder heads are diffrent. Intake from 1998 truck will not bolt up to 1990 heads.
1990 ford truck no spark
depending on model of truck.
1990 Ford 250 truck
Sesame Street - 1969 1990-09-10 was released on: USA: 10 September 1990
Yes
Yes it will.
No they will not.
Run away. That has the 6.2 liter naturally aspired Detroit Diesel V8, and that thing is a dog. Good for fuel mileage, but power is lacking, and the heads are terrible for forming cracks in them.
Under the truck in the frame rail.
Sugar and Spice - 1990 The Truck Stops Here 1-2 was released on: USA: 6 April 1990