I am working on a chrysler 4 cylinder engine that is in a Miller generator/welder. It's around an early 60's model. My dad seems to think it's a Jeep motor. My problem is I got the firing order all messed up and there is only one spring per cylinder, not two per cylinder like a chevy. So I can't watch the valves to find TDC #1. Let me know if you are familiar with this type of engine and if you know the firing order, thanks.