RC -- Thanks for stopping in and joining us here at Stovebolt.com! You've asked a really good question and the ultimate answer will be of interest/use to a number of our gang here. So ordinarily, because you've divulged that this isn't actually a truck application, we would be inclined to move your post to our off-topic discussion forum -- The "Greasy Spoon" ... wherein one finds bad jokes, questionable anecdotes, pet stories, marital advice ... and questions about cars ...
However comma two things mitigate in your favor:
1. You've asked a really good question with broad application.
2. It's not just any car, it's *the* car (as Stovebolts go, anyway.... personally, I'd rather have a Schwimmwagen or a Hebmüller ... but that's just me
So here's the deal:
Your question stays right here in the Engine Forum but you must do two things:
1. PLEASE circle back and tell us what you found to be the issue and what you did to correct it.
2. Include a picture or two of the car.
And listen to Jerry (Hotrod Lincoln) -- he really knows what he is talking about. Personally, I have truly saved thousands of dollars following his direction and advice.
Regards and welcome,