GMC Vortec 2800 Specs: 3.661 x 4.016 in

GMC Vortec 2800 (2.8L I4) specs: 3.661 x 4.016 in (93 x 102 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	169 ci
Cylinders	4
Bore	3.661"
Stroke	4.016"
Compression	10.1:1
Advertised power	175 hp

This engine

Engine	Displacement	Bore × Stroke	CR	HP
LK5	169 ci	3.6614" × 4.0157"	10.1:1	175

What varies across the family

This family is represented by a single engine in the database: 169 ci, 4 cylinders, a 3.6614" × 4.0157" 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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