It is easy enough for us to tell you to send your engine back to the builder when it is not running quite right. But thats not always an option. Of course, there will be times when you absolutely need ...

No matter if you are racing a four-cylinder in a Mini Stock class or a no-holds-barred, alcohol-burning V-8 Super Late Model, all stock car racing engines work on the same principles. And one of the ...

In the March issue we tackled some common and not-so-common power adders for the S50 3.0 and S52 3.2 motors found in '95-99 BMW E36 M3s (and some first-generation Z3 M Roadsters). We followed that in ...