Is it possible to improve the fuel consumption (decrease it) in my van by changing the rear differential ratio? I would like to optimize it for low-speed driving about 40 km/h (25 mph). Is it true ...
I would like to retrofit a Mercedes-Benz 308D van from year 1992 (model number 602.316) with cruise control. What parts would I need to buy and how to proceed installing them? I mostly see parts for ...