Success !
The engine sounds wonderful - thank you everyone, it really helped keep me engaged and motivated.
I'm quite a bit embarrassed to admit what the final piece was , but to save somebody else's embarrassment I'd better share.
Guten (Simon) was correct. I had the leads in the 1, 2, 4, 3 order but the mirror image of how they should be placed. This
page from the Rebuilding and Tuning Ford's Kent Crossflow Engine" set me straight .
Once again , your support and encouragement and suggestions were hugely appreciated.
