Here you can see the extra water jacket holes I drillled into the red block. This allows the blue 12 port head to fit.

With the head gasket in place, you can see the four holes.

The blue/black head gasket blocks off the old red motor water jackets.

Getting there, the head is now on.

I think the VK extractors look very neat. They fit the HJ engine bay like a glove.

The Yella Terra double springs were binding up, I had to remove them and fit standard Blue motor springs.

Changing the valve springs with the head still on the motor.

Rockers and VK thermostat housing installed.

Standard Blue motor valve springs are now back in.

Once the rocker cover is on, everything else just falls into place.

One of the first start up's. It's running too lean and won't run well.

Now the top is off the airflow meter for adjustment. After changing the fuel pressure regulator and richening the mixture, it's

The mixture was too lean, so I needed to turn the wheel inside the Air Flow Meter 1/4 of a turn anti-clockwise.

Now it's reving nice and quick.