alright guys i need someones help i built a ls vtec and i just tryed starting it and it wont start it turns but just wont start i checked the timing...spark...and fuel...and everythings on point but the weird thing is that when i take out 1 spark plug the **** starts...any takers on wut the prob may be??????would i thave anyhting to do wit cam timing???

 

it think your firing order is probably off. check that again.