This may sound stupid but try this, take off the air filter and raise the intake pipe up so it gets fresh air, do it while the car is on that way you can see any changes, also check the rod and see if it adjusted right. Good luck
it depends on how much materials you'll need. My car took four gallons but that's because the original color was (is) black, and bringing up the red take a few coats.
No one is saying that you "have to" dip your car. This is relativity new or at least the way it's being apply to. Pro drifters paint their car with different colors and also slap on some stickers, 2 tone colors wheels. It's about expression and individuality in the sport. Before drift there was...