Indiana Precision Technologies (IPT), Greenfield, Ind., is a precision automotive-parts supplier to Honda America, providing fuelintake manifolds for Civics, Accords, and V6 sport-utility vehicles. IPT shows 4,000 manifolds in a 24-hour workday, doing all the die casting as well as finish machining and testing in-house. firing rails in these manifolds must be a 32 (mu) surface finish to