i know my ole man has used a p&g valve gapper for the last 40 some odd year's they work great .but of course the modern technology isn't made any more ,got to look at e-bay or swap meets .her is a link that talk's about it http://www.ctci.org/membership/Gilsgarage/ValveGapperInstructions.htm

Last edited by old dog; 08/13/2009 3:29 AM.