wondering if someone could help, ive just put a 4x4 200 block engine into a 2wd saph, i have changed it back to 2wd and its got a 2wd loom.

is the 4x4 management different ? as there is 2 plugs behind the dizzy 1 for the crank sensor and another that goes to the left hand side of the block to another sensor, what is this for ? as there is no plug for this on the 2wd management

is there anything else that may be different ? i have changed the tps to the 2wd 1 aswell

the car wont even think about starting its turning over ok but doesnt sound like its ever going to start... there is fuel but the spark is weak, i have changed the coil for a group a one and still its the same, any ideas ?

ive also noticed when turning it over the inlet pipe to the throttle body is being sucked in too, its a samco hose and doesnt feel like its weak, so is this right or not ?

sorry for the long list but im out of ideas and i need this thing to start