Ignition timing is like seasoning: some is good, but too much ruins the results. Bumping up the ignition timing on pushrod 5.0s is a time-honored trick to wake up the under-hood lump. The EFI system ...

Improving fuel economy or gaining horsepower means making the engine more efficient. Fuel economy or maximum power is only obtainable when the correct air/fuel mixture or ratio (a richer mixture for ...

Q:I have been a longtime subscriber and only recently I was finally able to purchase my dream car, a 1970 Corvette convertible. I drive my Corvette most every weekend and have enjoyed every minute ...