Goats are cool
Vettes are cool
Had a 86 c4, changed rear to an 83 pumkin with 3.33's put on a total exhaust off a 96, dumped the resonator, changed intake runners, ignition, msd, open air cover with K&N custom chip, drag radials for Wed Nights and a little 150 shot of NOS
Thing was quick ran 12.50 at 110 all day long looked stock, pounded on a lot of street cars, was going to put in a TPIS full roller cam and do the heads, sold it , never got that far, buddy with an 86 and same setup with the cam ran 10's all day long.
Back to the carb, with that many turns out you are way to lean, stop by an indy shop pick up a 31, 32, 34 intermediate. The main leave it alone for now.
Pull the bowl and bump the intermediate/pilot jet up to the 32.
reset the mix screw
Turn off the pump (turn pump screw all the way in)
Start and see how she runs.
Spray some carb cleaner from the horn side around the intake seals see if the idle changes if it does you might have a leaky seal that is causing it to go lean.
Remove horn, jack up the tank, pull off the carb and intake replace the seals if needed.
You shouldnt be far off around a 30 main I run a 32 in my 124 probably could go up on that to a 34 if I want to increase OPEC's take home pay.