SAE J1667 Snap Acceleration Smoke Test Procedure for Heavy-Duty Powered Vehicles Categories Topics Enforcement Programs Clean Truck Check (HD I/M) & Periodic Smoke Inspection Programs Type Reports Society of Automotive Engineers (SAE) J1667 Recommended PracticeSnap Acceleration Smoke Test Procedure for Heavy-Duty Powered Vehicles Documents saej1667 SAEJ1667R.PDF · 530 KB Related Resources PSIP Regulation Test Method 435 Automated License Plate Reader