Nevertheless, custom piston makers assert that the right high-end piston and ring combination can be worth up to 30 hp on a 1.5hp/ci engine if the rest of the combination is optimized to take full ...

Furthermore, no investigation was carried out so far for a free piston engine with a dominant energy storage system (i.e., stiff mechanical springs). The novelty of this article lies in analyzing and ...

It was shown that two types of flow out of the top-land crevice entrance occur during the expansion stroke: (i) a low velocity flow which expands out of the crevice entrance, around the piston ...

3. After using the piston ring squaring tool, the ring gap measured 0.019-inch. That’s a 0.005-inch difference, which in the world of high performance engine building, might as well be a mile.

Piston rings might have been manufactured incorrectly on 2021-23 Kia Soul and Seltos vehicles. By Wesley Wren Published: Feb 26, 2025 12:00 PM EST Save Article Kia ...

The issue stems from a potentially defective piston ring, which may lead to increased oil consumption and could eventually damage the engine. Kia is recalling 137,256 Seltos and Soul models from ...

Explore the full process of restoring a 100cc bike engine through precise piston ring replacement and wall dressing techniques. This detailed guide walks you through every step, from disassembly ...