Krunal P. Shah, Dr. Dilipbhai M Patel. EXPERIMENTAL INVESTIGATION ON PERFORMANCE ENHANCEMENT OF A 4 STROKE PETROL ENGINE TEST RIG USING LASER TEXTURED AND TIN COATED PISTON RINGS. International Educational Applied Scientific Research Journal [Internet]. 2025 Oct. 1 [cited 2026 Sep. 15];10(10). Available from: https://ieasrj.com/journals/index.php/ieasrj/article/view/539