so i just got my fathers car out from storage and its been sitting for a few years.....we are slowly goin through it..... the gears are way to tall cus with the 327 and a m-21 i can do 50mph in first gear....55mph 4th has no power 3rd also is gutless put her in 2nt bingo theres the power band....so with that said what should we do for gears? 3.73s 4.10s? its a 300hp 327 from a 64 inpalla ss and a 69z28 cam.....edelbrock torquer manifold and a holley 650DPer.......the power band seems like it starts to kick in at like 2.5-3k or so.....