Porsche's new patented six stroke engine might not be a thing of reality yet, but the new technology is still very ...

Declining fuel economy can be a sign of a problem with your car. Here are a few reasons you're not getting as many miles per ...

In the annals of promised super car performance, few announcements were as dead wrong as this one, but a few did sneak out ...

We hung out with Clay Millican’s Parts Plus Top Fuel dragster to learn what it takes to go from 0 to 330 mph in under four seconds.

Most modern engines are of smaller displacement, use thinner engine oil and feature low compression engine piston rings which reduce internal engine drag. Contemporary starter motors now draw less ...

The car was parked under a tree in 1986; after opening up the 289 V8 and getting the pistons free, the new owner asks $750 ...

A 383 V8 automatic takes on a 390 V8 four-speed, but the Mopar spews blue smoke all the way and goes slower with each of the three rounds ...

If you check your oil and find it smells like gas, then it's something that shouldn't be ignored. Here are the most likely culprits and the actions to take.

Both engines feature the same compression ratio and the major difference ... which are caused by undersized piston rings and insufficient oil drainage efficiency in the pistons.

A nice thing about having a small collection of old cars is the chance to actually drive them once in a while. This may sound ...

We all remember the grinding monotony of the seemingly endless wait for the bell to ring ... compression side of a damper on one side of the car can be linked to the rebound side of the piston ...

This is pretty back to basics stuff and would include a compression test and leak-down test and should ... Inevitably, however, sometimes some of that extra fuel found its way past the piston rings ...