Need some A-100 straight axle advise for a 66-valiant???

I did the wheel and tire beside the rear quarter panel deal , to see what it mite look like altered in the rear, it just doesn't look right, the darts look better altered in the rear... I think mine will look better with just the straight axle close to the stock location... I'll be happy with that.. now I have another delima, It's gonna have a 383, trying to keep it era correct, which would look better, a tunnel with 2-4's or just a hemi cuda/dart hood scoop??