what mods are you guys finding the best gains.. i have an 88 gta 350 with 3inch Y pipe, cat delete, 3 in. dynomax, air foil and cone k&n in place of stock air box. 14.24@96 so far with street tires, shifting the 700r manually at 53-5500.. i plan on advancing the timing 5-10 degrees.. any tips or help