Bob's question
Hi Bob
You asked some good questions added some observations. One of the things I've done is made up a cheat sheet which shows where all of the linkages should be for each of the modes, this lets me use a big screw driver to shift it into the correct location when everything else fails.
I really suspect the culprit in my case was a very minor movement of the bracket for the linkage cross shaft. Now that I got adjustment it right again it really works good, and I've been racking the truck around on rough ground.
Though I do remember seeing an old hot rod tip about adding a pair of thrust struts between the engine and frame to keep the engine from moving when stronger clutches are installed to cut down on clutch chatter.
From your test drive video it looks like you have been really twisting your truck around too. Maybe it will sort of settle into a good position and allow adjustment the to work.
Now to your question about the throttle springs best fix the yo-yo throttle was the original one being under powered enough that you just put your foot hard on the floor. But yes it does require a fairly hard spring pull. Like the original I used two springs but I had to try several different ones each a little stronger until I found two that worked.
Cheers Phil
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