How to Tune Up for Better Mileage in a 1986 Chevy 454?

Answer Like other trucks, the 1986 Chevy 454 needs a tune up approximately every 30,000 miles to help it run smoothly and improve fuel economy. While it's easy to take the truck to the mechanic, tune ups ... Read More »

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Chevy Astro Tune-Up Tips to Prevent Poor Gas Mileage?

The Chevrolet Astro (produced from 1985 to 2005) was a capable people carrier when new, but time has certainly taken its toll on more than a few; decades of bad gasoline, leaking valve seals and de... Read More »

1986 Ford F250 Tune Up Specs?

The 1986 Ford F250 pickup truck was produced with the 4.9 liter six-cylinder engine and the 5.0 liter, 5.8 liter and 7.5 liter eight-cylinder engines. Periodically tuning up the F250 is important t... Read More »

How to Tune Holley Carbs for Gas Mileage?

Although Holley is most commonly associated with high-performance aftermarket automotive parts, American automakers have sometimes equipped their vehicles with Holley carburetors during the 1960s a... Read More »

How to Time a 1986 Chevy 350 Engine?

The timing on a 1986 Chevrolet 350-cubic-inch engine controls the movement between the pistons and the valves in the cylinder heads. If the timing is off in your engine, then the engine won't be ru... Read More »