Ford 5.8L Trinity Specs: 3.681 x 4.165 in

Ford 5.8L Trinity specs: 3.681 x 4.165 in (93.5 x 105.8 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	355 ci
Cylinders	8
Bore	3.681"
Stroke	4.165"
Compression	9.0:1
Advertised power	662 hp
Years	2013–2014

This engine

Engine	Displacement	Bore × Stroke	CR	HP
Ford 5.8L Trinity · 3.681" × 4.165" · 9:1	355 ci	3.681" × 4.165"	9:1	662

Factory cars with a Ford 5.8L Trinity

• Ford Mustang: 2013, 662 hp; 2014, 662 hp

What varies across the family

This family is represented by a single engine in the database: 355 ci, 8 cylinders, a 3.681" × 4.165" bore and stroke.

All are undersquare — stroke larger than bore, favouring torque low in the range.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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