How to Improve the Efficiency of an Old Car Engine?

Fortunately, a few things can be done to improve the efficiency of an old car engine. By remapping your Audi TT remap 225, you can optimize its performance, increase horsepower, and torque, and even improve fuel economy. Of course, before considering a remap, it's essential to ensure that your vehicle is well-maintained, with regular oil changes, air filter replacements. And other routine upkeep.