I'm building up an early 70's 390 FE truck motor for my 79' 280zx, I know the FE idea has been descused alot and I actualy acquired the motor not even knowing what it was until tear down. Anyway just to take it one step further from the usual V8's I'm considering supercharging it. This engine being so uncommon I've yet to find a kit for a BBF, maybe i'm just not looking hard enough. I have considered a vortech set up but am leaning more twards a top mounted supercharger. Anyone have any suggestions for kits, thanks!