It definately could use a bigger carb. At least a 850 or maybe even up to a 1050 dominator. The intake I'm not sure about as I'm not too familiar with W intakes. The heads are not too big for a 408. Why worry about power down low? Are you gonna race it/anybody at say 2000-2500 rpms? No.
88 coupe, 351 cleveland, unported 4V heads, buddy rawls custom solid roller, diamond domes, 6'' h-beam rods, stock 4bolt block/crank, holley strip dominator, 950HP holley, hoosier 28x10, 90/10s, UPR pro rear kit
nonstroked, stock iron heads and NO NITROUS!!!!!!!!
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