Since the beginning of hot rodding, gearheads have endeavored to increase the performance of internal combustion engines through the optimization of valve timing. It's been proven time after time that ...

The oil pan's role on a Toyota VVTi or any other engine is to collect the lubricating oil falling from its components to be absorbed back by the oil pump and recirculated. Due to its position at the ...

Toyota is frequently cited as the builder of some of the most reliable cars from the past or available right now. As positive as that recognition is, these machines often need more attention to keep ...

Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...

Hello Paul, I drive a Toyota Wish with a VVTi engine. It has been running well until recently when it started reducing engine power or hesitating. A computer diagnosis reported it. Can the VVTi ...

Suzuki’s R&D department have filed a flurry of patent applications showing a variable valve timing system specifically aimed at the Hayabusa hyper bike – suggesting that even as the Busa hits its 25th ...

NEW YORK, June 10, 2024 /PRNewswire/ -- Standard Motor Products, Inc. (SMP) continues to expand its industry-leading Variable Valve Timing (VVT) program. The program already offers more than 600 part ...

Hello Francis, to resolve the VVTi problem, you may need to clean the oil sludge or deposit in the VVTi solenoid or replace it with a new one in case that one cannot be repaired. The VVT ...

SAE Transactions, Vol. 112, Section 3: JOURNAL OF ENGINES (2003), pp. 124-134 (11 pages) An experimentally derived map of the engine volumetric efficiency is usually employed to control the A/F ratio ...