welcome to the shops Brandon, lots of info around here, might check the various pages about ID'ing your truck in the tech tips section
someone misled you, there is no month involved in the vin, the last part is simply the numerical order, as in it was the 8 thousand and 10th truck [of any kind] off the line at
that plant - be the 7,009th actually as in 54 they started at 001001

Bill