Tranny first gear combined with rear gear help

The 3.91's Will Probably Work Out Ok But 4.10 Or 4.30's Would Be Better For Quicker Et's--definitely Use Ss Springs--better[longer ]shocks[rear] Or Adjustable Shocks, Adjustable Pinion Snubber, And Looser Or Adjustable Shocks On Front Wouldnt Hurt Either, Car Will Launch Better/straighter With Frame Rail Connectors[preferably Welded In] Have Worry About Tranny Holding Up Over Time, 340 Will Have More Torque Than 302 Hence The Future Problem, But Hell, Give It A Shot And Blow The Sheot Out Of Them Frauds[foorrdds]