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Main >> Engine >> Factory >> GM 173(2.8L) V6

From JeepTech and JeepTech Publishing LLC, the Jeep knowledge base.

All text is available under the terms of the GNU Free Documentation License.


The 2.8L V6 engine uses a cast iron block and cylinder head with hydraulic lifters and over head valves. It was first introduced as an optional engine in the little Cherokee (XJ) and it was later used in the Comanche (MJ). The engine was built by GM and a similar engine was used in many GM cars and trucks.


GM 173(2.8L) V6
Bore x Stroke 3.50" x 2.99"
Displacement 173(2.8L)
Compression Ratio 8.5:1
Horsepower (net) 115@4800
Torque (net) 145@2400
Main Bearings 4
Valve Configuration OHV
Fuel 2bbl Rochester



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