document.writeln('
- 8-valve
');
document.writeln('- a SOHC');
document.writeln('engine having');
document.writeln('one intake');
document.writeln('valve and one');
document.writeln('exhaust');
document.writeln('valve per');
document.writeln('cylinder; the');
document.writeln('TI,');
document.writeln('TII, and');
document.writeln('TIV engines, as well as the');
document.writeln('normally-aspirated engines,');
document.writeln('are 8-valve designs; see also');
document.writeln('16-valve and');
document.writeln('DOHC
');