Greetings all! I'm wondering if there's a way to adjust the vacuum advance
mechanism so that it requires less vacuum to pull it. This question is for
my 59 Apache 1/2 ton with a 235cui. If I juice up the accelerator a little
shifting into 3rd then she runs pretty smoothly (more vacuum comfing off the
carb), but if I simply shift as normal I get a little shake/vibration until
I hit about 40mph. Anybody have any hints?
Also, I am thinking about shimming *up* my springs a couple of inches. I'm
a little weak in this area too. Will shimming up do any damage? It doesn't
seem so to me, but then the only thing I've ever done with a leaf spring is
lubricate it, so better ask and sound stupid than break a spring and *look*
stupid!
Thanks!
Sam
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