Well I just pieced together a b16a swap well I got the car started but it was only running on two cylinders I had spark and fuel in all cylinders. Me and my friends thought it would be the valves got bent because the timing belt jumped a little. So having the valves replaced any other ideas it could of been. thanks for help

 

Before you replace valves...

It could also be bad rings, or a headgasket not sealing right. How do you know you're getting fuel and spark? What is your compression and which cylinders are "bad?"

 

Get a leakdown test on it or DIY, you can get a tester for around $100. That will tell you if you need to replace the valves.