2024 Duramax Diesel Review
2024 Duramax Diesel Review. — looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg. Current truck is a 2014 duramax with the 6 speed. — the truck’s l5p duramax diesel engine received a substantial bump in power and torque thanks to a stout list of upgrades, including a new turbocharger, improved piston. Tip into the throttle and the engine responds with.
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