My friend and I just finished building a LS/V-tec engine that we recently put in a 1992 hatchback. We started it up and the engine shaked alot and sounded like it was miss fireing til it just stoped running. I figure it was the distributor timing and I did that part all over again. At that time I also changed the civic spark plug wires to the Ls spark plug wires. This time the car stayed on but ran like crap with a violent shake.The compression test came out good, all 12 with all four spark plug whole. I can't figure what is wrong with the car. Tomorrow I am going to get new spark plugs. I need you guys that have done the ls/v-tec conversion to help me out. What's wrong with the engine?