Quote:
Use the secondary speed screw for idle speed.
Do not drill holes, no need for that old trick.
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Ah, good call. Now, I just need a trick for adjusting the secondary screw while on the vehicle - it's only accessible from the bottom of the base plate. I think I'll start by just eyeballing the difference with how much I lower the primary to get it back to square.
Re: vacuum - yeah, I'm hoping to get it up to around 8-10, so I'll focus on that before touching the power valve.
Thanks!
UPDATE: The mechanical linkage between the primary and secondaries prevents adjusting the secondaries to expose the transfer slot at idle, so that kills that option. I played around a bit this afternoon and have things working a little more to my liking now: bouncing between 7-8". This cam wants lots of idle advance - I get ~10"Hg @ 25 degrees. I've been looking into programmable igition solutions, so that might be doable, but wanted to make sure I got the carb in good shape first before messing with that.