Sure can. Injector plate would be between the carb and the intake manifold. Here is a resource for info. << http://www.nosnitrous.com/HiOctn/ProdLine/Products/NOS/index.html>> GL. -Dick- 78 Scirocco Original Owner http://members.aol.com/sailingfc/ In a message dated 5/12/02 11:45:10 AM Pacific Daylight Time, RobGURN1@aol.com writes: can nitrous oxide be used on carburettored engines?.thanks.rob.b