Stock carbs. Fuel delivery, needles, adjustable jets versus adjustable needles on 2DSE carbs. 150 CD on GT6 versus 175. Needle selection, SU rich needles.
Weber sidedrafts. Installation, cost, expected performance gains. Sizes of calibrated parts, selection of chokes. Stepped GT6 manifolds and straight TR6 ones.
Settings used on Rick's TVR:
27 chokes Main 115, F11 Tubes, 180 air Idle 45F8
Weber Downdrafts. Don't know much about these!