General Motors plans to invest US$918m in four US manufacturing sites, including $854 million to prepare these facilities to produce the company’s sixth generation small block V8 engine and an additional $64 million in Rochester, New York and Defiance, Ohio for castings and components to support EV production.

“These investments will enable the company to strengthen its industry-leading full-size truck and SUV business and continue to support the company’s growing EV product portfolio,” GM said in a statement.

The announcement brings GM’s US manufacturing facility investment commitments to over $37bn since 2013, including the Ultium Cells LLC joint venture plants.

“Today we are announcing significant investments to strengthen our industry-leading lineup of full size pickups and SUVs by preparing four US facilities to build GM’s sixth generation small block V8 engine,” said Gerald Johnson, GM head of global manufacturing and sustainability.


Flint Engine Operations in Michigan – GM will invest $579m to prepare the plant to assemble small block V8 petrol engines along with the related block, crank and head machining. Work at the facility will begin immediately. Flint will continue building the three litre turbodiesel during the facility renovations. That diesel is used in a variety of light duty truck applications.

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Bay City GPS in Michigan – GM will invest $216m to prepare the facility to build camshafts, connecting rods and block/head machining supporting future V8 production at Flint.

Defiance Operations in Ohio – GM will invest $55 million in the facility. $47 million will be invested to prepare the facility to build a variety of block castings to support future V8 engine programmes. In addition, the investment includes $8m to build a casting development cell for castings to support future EV strategies.

Rochester Operations in New York – GM will invest $68m in the facility. $12 million will be invested to prepare the facility to build intake manifolds and fuel rails for the future V8 production at Flint. The investment also includes $56m for the production of battery pack cooling lines for EV production.