Which is the best diesel engine for a truck? 380 Cat – This Cat diesel engine was strong, reliable, powerful and got decent fuel mileage. 3408 Cat – This Class 8 truck engine was strong, was about 450 HP but truly put out around 550 HP. The fuel economy was poor. C15 Cat – the C15 and C16 Caterpillar diesel engines were workhorses. Where can I get a truck engine repaired? Truck makers are taking a page from the car industry and making it nearly impossible to get any sort of engine repair done anywhere but at the OEM facility....

Do modern cars use vacuum lines? Modern vehicles continue to use vacuum hoses, although they typically don't use that many. Since modern fuel injection systems are computer controlled, and other things like ignition timing are also computer controlled, vacuum lines are typically only needed for components like brake boosters and PCV valves. Why do you need a vacuum hose in your car? In order to relieve this pressure and allow the combustion process to fire and expel exhaust correctly, vacuum hoses are needed. All vehicles that travel the roads of the United States have vacuum hoses, which are connected to...

Why does my car not accelerate at high RPM? Blocked or clogged air filter. Another reason why your car doesn't accelerate properly can be that your air filter or exhaust is clogged or even completely blocked. This can happen even with high rpms. If driving in conditions with a lot of dirt and debris, especially if you press the gas a lot. Why does my car not Rev over 4000rpm? An expert who has achieved level 1. Take it to a mechanic to check the timing. if the timing is off then it may run at a idle an a...