I got a redline weber carb kit from pierce manifolds. I got it about 3 mos ago and just now had time to work on it, however, browsing through this MB and all that I can find I don't understand why the truck won't start now that its all installed. I have included some pics that I took. The one of the closed choke at the throat is to show the half-burnt gas residue accumulated after trying to start the truck

Carb is definitely getting fuel, I installed an elec. Fuel pump and everything is good there

When I go to start it (so I can set the carb.) It acts like it wants to catch, backfires, then wont even try to catch until I wait a few and cycle it again. Any input?

Truck is '88 2wd ram50. G63B eng manual trans.