From the description you gave, it sounds like you got beaten by a superior economy. Since it was on Blood Gulch, he probably had a reactor and a supply elevator. If that's the case, then you have little chance of winning, since all of his units will be one tech higher than yours.
Nadeaholic43:Stop saying i fail that is against the forum rules and can be very hurtful.
GT Spartan AAL
Leader: Prophet of Regret