Okay on the 235
How critical is the Manifold temperature control valve spring?
When I got my truck the spring was missing (and still is), I haven't driven it a lot but when I'm in the yard it is rough warming up and it sputters, Acceleration is also hesitant at times. according to the shop manual the Manifold TCV Spring is one of the remedies.
Now I have to find one I guess I will try NAPA first.
