Are namura pistons cast or forged?
Namura Pistons are a hyperutectic cast piston. They have a high silicon content which makes the piston harder, and more flexible than standard cast, but not as hard as a forged piston.
Where is namura pistons made?
Engineered in the U.S. and manufactured in ISO-certified facilities in Taiwan, Namura pistons are built to do more at every step. Each piston is made from high-silicone cast aluminum, with crowns that are machined smooth and then anodized for hardness.
Where are Wiseco Pistons made?
Mentor, Ohio
All Wiseco pistons are forged and manufactured in Mentor, Ohio.
Where is namura?
Minnesota, USA
Since 2001 Namura Technologies has been on a quest for global domination of the powersports aftermarket. Based in Minnesota, USA, we rely on our vast network of distributors located throughout the world to bring our products to a dealer near you.
Where are SPI Pistons made?
Re: Cuyuna pistons – Kimpex vs. Kimpex SPI and Parts Unlimited are all the same, they all have the same casting mark by the foundry inside them, they are all made in Taiwan..
Do piston rings wear out?
Because piston rings wear down over time, it is important to bring the first signs of worn or damaged rings to the attention of the auto technician. By running a compression test, the technician can detect the presence of a leak and the need for repair.
Are Wiseco forged pistons any good?
Absolutely. Wiseco pistons are among the finest powersports pistons available. Unlike most OEM or other aftermarket pistons, Wiseco pistons are forged in-house at their own manufacturing facility.
What is better cast or forged pistons?
In the casting process, the alloy molecules are free to settle where they please, creating a random grain structure, and opening up the potential for weak spots. This is why forged pistons are fundamentally stronger than cast.
How much gap should piston rings have?
Minimum gap tolerances must be observed in order to prevent the ring ends from butting together as the ring expands when the engine approaches operating temperature. Hastings recommends a MINIMUM of . 0035 gap per inch of cylinder diameter.