Im reinstalling my engine in a `90 turbo II. The three fuel lines are all around the same size and I'm not sure which line on the engine itself is which I know which hose is intake return and vapor, but I'm not sure which one they connect to on the engine. Also which spark goes to which? I can tell the leading and trailing ones apart, but do the front plugs go to the front coil and the rear with the rear, how does that go?

 

Fuel lines: The pressure (feed) line will be coming from the fuel fliter and going to the primary fuel rail (lower rail, injectors feeding the intermediate plate)
The return will come off the back of the secondary fuel rail (upper rail, mounted to LIM) and to the return to the fuel tank.

The spark plug wires are marked at their respective locations on the coils. If you look at your coils (front of the car, single coil is leading. Rear of the car, two coils are trialing) the leading will have L1 and L2 marks. L1 to leading, number 1 rotor (front) and L2 to leading, number 2 rotor (rear) The trailing coils also have similar markings.

 

Yes the coils do, but the block where the spark plugs are not marked 1 and 2 just trailing and leading. I'm assuming the front rotor housing is 1 and the rear is 2. Also the fuel lines coming from the right side of the engine looking from the front are arranged in a triangle. I believe the bottom left of the triangle is the intake and the top is the return and the bottom right is the vapor line. Any imput on this.

 

That assumption is correct and I mentioned it in the previous post:

The pressure or feed line (which you describe as the intake) comes off of the fuel filter. Just follow the line until you see where it goes.

The larger of the two remaining lines is the return, and the smaller is the vapour.

 

feed line off the filter goes to the front lower tube, the return goes to the rear lower tube and the vapor line(slightly smaller) goes to the middle upper tube.

 

Thank you all for your help