i have a 305 currently, its auto, over winter i plan on making it a 350 and putting in a new tranny, i plan on making it a manual, my question is which is the best 6 speed for about $1000 - $1500, also i want it so work with the 350 i am putting in, mainly performance stuff, im building from the ground up, no turbo nitros or supercharger .... yet