looking at the dist, you are way advanced right now. loosen the dist and move it to center. i'm assuming the head/block haven't been shaved and there are stock cams since you still have the stock gears.

roll the crank until the timing mark lines up and then see where the gears line up. intake manifold won't affect it that much.

the only way it'll feel stupidly sluggish being built for turbo is if it's like 8:1 or lower compression.