Time to close this puzzle !
SC1: Jomar Mk1 PJ
SC2:"West Special" of L.L. West gte 4289
SC3: Nota 'Arnold' (rebodied) Wendax
SC4: Austin Jeffery Special PJ
SC5: Buckler MkV with Rochdale body Carnut
SC6: J.W. Whitehouse's Austin 750 Special PJ
SC7: Invicta Special PJ
SC8: Buckler 90 Wendax
SC9: John Goldschmidt's Performance Special PJ
SC10: MG NE Magnette Wendax
Good accounts make good friends : PJ +3 points
wendax +1 point
gt4289 +1 point
Carnut +1 point