Richie - I hope you've kept on smiling. Your response to my post certainly put a smile on my face!
And thanks everyone else - Rick, EBF, Bob, Dave and Guy - for your comments. Take the tea light idea and improve on it. I once made a replacement gun cover for a Fw 190 out of the same material (couldn't find a picture of it though) so it's quite a versatile material, sift but not too soft.
Some more engine pictures. The other side and installed in the fuselage. A bit of artistic license used when it comes to the piping and the oil tank.
Leads for the spark plugs made from thin copper wire. Spark plugs made from 0.4 mm brass tubing.
Brass tubing used to replicate the ignition wire tubes. I actually files holes on the back where the spark plug leads could go in. Just in case someone decides to see where those wires actually go. 😁
Something to do with carburetors and fuel lines...
And installed in the fuselage.
Cheers
Fredrik