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Hey guys, thanks so much, really appreciate all the replies. The intake is the same minus a couple months older as the one in the attached pic, I dont think it would support a square bore set up as is. I wrote Edelbrock to get some opinions on adapters with that intake and the 1411, I'll follow up tomorrow and see if there's a better option for carb too. Good point about the linkage totally didn't even think of that, will double check with them about that as well. Wasn't having any luck locating a tq with the same model number, but would a 6000 series and a 9000 series be interchangeable assuming its the same? Also I wonder if a 77 intake and 80 carb were EGR or PPCV, think I gotta go over there and look at the car again. So much stuff to consider
You need to read the link I posted, which identifies what TQ goes with what engine and model year.
I would stay away from all but one aftermarket carb - the Street Demon, which is basically a reengineered TQ. The Eddy's are an ancient design based on the old Carter AFB/AVS carbs, and are a poor choice for a daily driver. Holley 4150/4160 are even worse, although the '71 383 did use a 4160.
Leaner is better. Allow me to reinforce that point:
Leaner is better. Get a reman TQ, using the ID guide, or get a new Street Demon:
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Demon 1904 750 CFM Street Demon Carburetor (at https://www.holley.com/products/fuel_systems/carburetors/demon/street_demon/parts/1904 )
