Consider this... If the chances of getting a shiny pokemon in any game (excluding R/B/Y) are 1/8291 (or whatever it is), then doesn't that necessarily mean that the chances of the Red Gyarados has a 1/8291 chance of being its normal color?
Good bye everyone, it's been fun!
Special thanks to ED_, superman4u, and Cross Stinger
Credit for the Siggy goes to shadow slayer