What do you use for plug wire? There is race-car wire, and then there is thick race car wire. I don't want pre wired distributors. I am making magnetos for a RR WW2 era V12 Merlin engine. I sourced this from Alan Raab a long time ago. I have the kit Bugatti T-41 Royale Coupe Napoleon and intend to replace the kit-engine with this Merlin engine. He also at one time offered the Packard V12 Merlin WW2 engine. The RR Merlin is in 1/24 scale. I don't know what kit the Merlin came out of. 'Preciate it.