For most of us, the chief requirement for aftermarket direct-port electronic fuel injection is the elimination of the after-installation hassle factor. We anticipate ...

If you already have a Chevy TPI unit from either a Corvette or a Camaro, DFI will sell you the pieces you need to make the system operational in virtually any street machine or rod. The pieces include ...

Chevrolet is celebrating 65 years of the small-block V8 this year, and for those who want to retire the good old engine from their classic Chevy and swap it with a brand new one, the SP383 EFI could ...

Aftermarket fuel injection systems have been on the shelves for a number of years, but early systems had a variety of bugs and technical problems that turned do-it-yourselfers off to the idea of ...

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...

The 1992 Corvette LT1 marked a turning point for Chevrolet’s venerable small block, taking a layout that dated back to the ...