Build your own wires... if you get a performance set make sure they're resistance wires, EFI doesn't play well with the interferance you'll get from dropping a set from a '67 Malibu in there.
Agreed, 5M is not the best choice.
Go standalone EMS... can't change the rev limit on the stock ECU.... well, you can hack it and reclock the board but it throws everything else off.
E3's..... never tried them, but given the horror stories I've heard and a photo of a piston with bubbling in the center I don't think I'd run them in my lawnmower.... especially not on a healthy car with a HEALTHY ignition system.... great for cars where everything else has been neglected, I'm sure. This isn't something I'd experiment with myself; the amount of labor involved to fix it if such a cheap part fails is too high.
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