hey guys, I just bought a 98 f150 with the 4.6 l. It has a Jet chip, k&n intake, and Borla exhaust. My question is..I want to change the chip to a better one, which one should I go with? I want something that can change the firmness of the shifts and have noticeable power gains. Can I get a programmer to use on the jet chip or is it locked in? I don't have the original module. Also, can I get something like an electronic lock-up for the tranny? I am new to ford trucks so please fill me in. Thanks in advance.

-Ryan