Hi everyone Im new to this forum. Im 17 and have been building my dodge truck since I was 12, ive done all the work myself and payed for it. Its been a dream working on it and i now own two of them (parts truck and original) but heres my problem my shop manual has one firing order, that when i turn the engine over knowing theres spark (ive rebuilt carb. new spark plugs, etc shes all new.) it does nothing once in a while like for a half hour of cranking it pops very slightly but wont start. so i test the spark .25 inch gab of spark then i try the firing order at 153624 and all i get is a ton of back firing and popping and stuff it ran once about 2 years ago and i havent changed a thing it didnt run to well and everything is right ive checked it a good 40 times. it fires but like its timing is off and so i adjust it and get nothing.... ive been stalled for 2 years because it wont come to life.. and i need help this truck is perfect all except it doesnt run. i need some help from people who actually have worked with this specific engine. 218ci l6 thank you for any help or tips you can give me.