Answer (1 of 4): many older cars ere designed with a small reserve of fuel - as are many older motorcycles. in the erly years it was easier to provide a reserve to prevent being completely stranded when gas gauges weren’t as reliable as they are now. Many early volkswagons had a valve you opened
InterDynamics Car Air Conditiioner Gauge and Hose by InterDynamics, A/C Pro Air Conditioner Recharge Gauge and Hose Dispenser for Cars, Trucks, 24 In Hose : Automotive
What is the oldest Russian car brand? - Quora
What are some tips on car maintenance that should be taught to young, new drivers? - Quora
How to test a good car - Quora
Can a faulty oil temperature sensor cause engine damage? - Quora
Fuel Gauge Reading Incorrectly? (Common Causes and Cost to Fix)
How many folks own a Subaru with 300,000 k+ miles? - Quora
I bought an odometer rollback car unknowingly and now I am not
How does the fuel gauge in vehicles know how much fuel is remaining? - Quora
Why do some cars have the letter R in the fuel gauge? - Quora
What do the 2 dots mean on the gas gauge? : r/Cartalk
How To Buy The Best Used Car - Which?
What is the 7th digit in white on the mileage odometer of classic
Is the max speed on the speedometer of a car really the max speed