hey guys ya thats right im a newb from houston looking for some help i have a 2003 gmc sierra with a 4/6 drop and a 4.3 v6 which is killing me the thing is so danm slow. im looking to do an ls1 swap but havent seen anyone that has posted anything on a 4.3 to an ls1 swap i am in the dark and could use some help, not sure exactly what i will need to acomplish the job if there is anyone that could help this would be greatly apreciated