business and finance | February 12, 2026

How much HP can you get out of a 390?

How much HP can you get out of a 390?

1 We begin a 390 FE build with good bones—a solid, mainstream, vintage 390 FE block with 4.050-inch bores enlarged to 4.080 inches with coated Speed Pro forged pistons and Eagle H-beam connecting rods on the 390’s 3.780-inch stroke. This is a blueprint for roughly 500 streetable hp.

How big can you make a Ford 390?

Of all the FE series big-blocks produced during the type’s 18-year production run, the 390 is easily the most common. With a 4.050-inch bore and 3.780-inch stroke there’s plenty of room to grow this engine into a 430-plus cubic inch beast without spending a lot of money.

Is survival Motorsports still in business?

Currently own Survival Motorsports, a Michigan based corporation with annual sales approaching $1 million. In fairly a short time the company has emerged as the country’s leading provider of components for the FE Ford series of engines (390, 428, 427)as used in vintage Mustangs, Cobras, Galaxies, and F Series trucks.

How far can you stroke 390?

Stealthy, invisible spine-decalcifying power comes from this Trans Am Racing stroker kit that gives the Ford 390 FE a whopping 4.250 inches of stroke in the middle of a 4.130-inch bore, translating to bone-crushing torque.

How many liters is a 390 Ford engine?

The 390, with 390.04 cu in (6.4 L) true displacement, had a bore of 4.05 inches (102.87 mm) and stroke of 3.785 inches (96.14 mm). It was the most common FE engine in later applications, used in many Ford cars as the standard engine as well as in many trucks.

Can a Ford 390 be stroked?

So, yes, you can take a 390 to 427 (and beyond). The cubic inches will be there, just not the same bore and stroke configuration as the original 427, which was really a 425. 427 was big bore/shorter stroke. 390/445 will be smaller bore (than 427) but longer stroke.

What does the FE stand for in Ford engines?

FE (which means “Ford Engine,” not Ford-Edsel, nor Ford Engineering) variety comes from a broad selection of bore and stroke sizes to achieve cubic-inch displacements. The 332 and 352 are fraternal twins, virtually identical engines with 4.00-inch bores.

What can you stroke a 390 to?

What is the bore and stroke of a Ford 390?

How much is a Ford 427 worth?

Reproduction 427 SOHC engines are selling for $35,000 to $40,000.