Around The In­dus­try

4WDrive - - Around The Industry -

V-6 engine and class-ex­clu­sive eight-speed au­to­matic. This sec­ond gen­er­a­tion of Chevro­let’s dou­ble-over­head-cam engine ar­chi­tec­ture re­tains the same 3.6L dis­place­ment as be­fore, with im­proved vari­able valve tim­ing for in­take and ex­haust, im­proved di­rect in­jec­tion and Ac­tive Fuel Man­age­ment (cylin­der de­ac­ti­va­tion), which dis­ables two cylin­ders un­der light throt­tle ap­pli­ca­tions. Horse­power and torque in­crease to a 308 hp and 275 lb-ft.

The GM-de­vel­oped Hy­dra-Matic 8L45 is roughly the same size and weight as the 6L80 six-speed au­to­matic it re­places. How­ever, the eight-speed au­to­matic of­fers a wider 7.0 over­all gear ra­tio spread giv­ing a higher first gear ra­tio and lower rear axle ra­tios that re­duce engine rpm on the high­way for im­proved ef­fi­ciency. The 2017 model year up­dates, in­clud­ing the new V-6 and eight-speed com­bi­na­tion, will ar­rive at deal­er­ships this fall.

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