I would have been on my way back in my old '86 B2000 at 392k when I got tired of fixing it and sold it about a year ago, still see it running around town occasionally.
If you are sure the new float bowl cover is straight/true and not warped, you may have bent mounting points. I have heard about them getting bent from those screws getting over tightened trying to stop a fuel leak.
Picked this up a while back, ran it on the car a couple times, just wasn't for me and what I want outta the car, little too much for a stock slant. All parts where new when I got them, has a complete linkage kit and 2 into 1 choke cable, and air cleaners. All you would need to do is plumb your...
My '72 Valiant, had it 4 years now slowly upgrading it. Lowered 3.5 inches, has a '69 grill, just finished putting a fresh low miles /6 in it, factory disc brake small bolt pattern car, with original paint, top, and interior.