Nash 173ci Specs: 3.125 x 3.75 in

Nash 173ci specs: 3.125 x 3.75 in (79.4 x 95.3 mm) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.

At a glance

Displacement	173 ci
Cylinders	6
Bore	3.125"
Stroke	3.750"
Advertised power	82 hp
Years	1949–1952

This engine

Engine	Displacement	Bore × Stroke	CR	HP
Nash 173ci (1949–1952)	173 ci	3.125" × 3.75"	—	82

Factory cars with a Nash 173ci

• Nash Nash: 1949, 82 hp; 1950, 82 hp; 1951, 82 hp; 1952, 82 hp

What varies across the family

This family is represented by a single engine in the database: 173 ci, 6 cylinders, a 3.125" × 3.75" 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.

← All Nash engines