I have a 95 Chevy Tahoe w tbi350 an 4l60e. im swapping with a 355 mid cam w aluminum heads w 4l60e trans, and I bought the Sniper Efi Master kit of the gen 1 Holley Sniper 550-511K, looking into it now should I grab the pcm and I saw something about the Holley Throttle Lever extension. What else...