Chris, I believe that Toyota had (may still have) a 16Valve, 4Cyl, SOHC engine. I remember reading something about it in the mid to late 80's. Sincerely, - -John Senior RS/6000 Specialist 404 Wyman Street Waltham, Mass. 02254 (781)-895-2076 Email: jnicosia@domain.elided ------------------------------