Valve spring compression tool that fits Lycoming and Continental engines. Valve Wizard is a specifically designed and patented valve spring compressor tool that fits air-cooled aircraft engine ...

Worldwide, Honda enthusiasts invest hundreds, if not thousands of dollars on their powerplants to extract the utmost in power and reliability. Whether they opt to keep their Honda naturally aspirated, ...

Many gearheads buy their cylinder heads fully assembled and don’t have to sweat making sure all of the various parts are set up correctly. But for those that build their own, or that just need to swap ...

Changing valvesprings used to be a hassle. In the old days, you had to really lean on that lever arm tool to compress the spring, and if it was a race spring, you needed a WWE wrestler to help keep ...

SAE Transactions, Vol. 102, Section 3: JOURNAL OF ENGINES (1993), pp. 820-836 (17 pages) In this paper, models for valve spring dynamics are presented which cover: (i) A simple modal approach for ...

ONE limitation on the maximum power developed by an internal-combustion engine is the volumetric efficiency, which is a function of so many variables that their interrelation is unfortunately not ...