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 ...
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 ...
Suzuki’s current GSX-R1000 has a variable valve timing system it got from the GSX-RR Moto GP bike. It’s an all-mechanical system and a darn good one. However, it seems Suzuki will drop that tried and ...
Downsizing and turbocharging. For a car nut, those two words spell trouble. Most automakers, however, think otherwise. Mazda tries to keep the N/A flame alive, and so does Toyota. If you’re living in ...
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 ...
The new Camaro is so close, we can almost taste it! GMHTP went through the basics of Chevy's gorgeous new muscle machine last issue ("Camaro Rides Again," January 2009), but left readers to drool in ...
At its most basic level, an engine is an air pump. Internal combustion engines breathe fresh air and expel wasted exhaust gases to make power. Something has to tell those intake and exhaust valves ...
VANCOUVER, BC, Oct. 29, 2025 /CNW/ - VVT Med Inc. (TSXV: VVTM) (the "Company" or "VVT Med"), a manufacturer of next-generation, minimally-invasive varicose vein treatments, is pleased to announce an ...
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Camshaft upgrades that wake up small-block engines
When it comes to upgrading small-block engines, camshafts are a popular choice for enhancing performance. Different camshaft ...
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