Questions tagged 'Engine Performance'
3 questions
P
Prof. Lilyan McClure
Dec 09, 2024
difference between 2W-50 and 5W-50 motor oil?
What is the difference between 2W-50 and 5W-50 motor oil? Specifically, how do their viscosity ratings affect engine performance and protection in various temperature conditions?
1990 Corvette idling rough?
I own a 1990 Corvette that has had a fresh tune-up within the past six months, which included new spark plugs, wires, filters, and a distributor. However, when I start the engine, it idles roughly to...
How many timing chains does the 97 BMW Z3 1.9 have?
How many timing chains does the 1997 BMW Z3 1.9 have, and what is their role in the engine's performance and maintenance?