A carburetor and a throttle body both feed air into the engine, but confusingly, a carburetor has its own throttle body. Here's where the two really differ.

This is the twin TBI setup attached to the top of the new cross-ram manifold. Note that fuel enters the left TBI unit first and then on to the right unit before being returned to the tank. Although ...

The controversy between carburetors and EFI has always been about complexity and price. Carburetors are simple—EFI is not. Carburetors are cheap—or at least cheaper than EFI. Those points have not ...

Standard Motor Products expanded its gasoline fuel injection program, now offering more than 1,100 all‑new components, including gasoline direct injection (GDI), multi‑port fuel injection (MFI), and ...

Turns out the old technology did a few things no computer has matched.

We have to admit, we were somewhat perplexed when we decided to apply the Holley Terminator Stealth EFI system to our modified 5.3L LS. Our bewilderment had nothing to do with the ability of the ...