None of the aboves daft mate,,,,trust me,,lol. My 1st nova 1.3 sr had fast r cam,valve work,pollished n ported head, manta carbs 32/36 jetted to suit,4 into 1 manifold straight through magnex,F13cr box. Glacier white with grey bottom half, E regi lol,my 1st car,n ma 1st introduction to modding...