![]() Direct fuel injection is standard, the entire assembly which is mounted at the side of the head just below the composite plastic intake manifold. ![]() The exact words from head powertrain engineer were, “you could do it but things will break”.Īll three variations of the engine share common specifications like a 10:1 compression ratio and 6,100 rpm redline and most notable – are recommended to use 87 octane regular unleaded. In such, it’s mechanically de-contented compared to the 元B and loses items like piston cooling jets and foam noise shields among other ancillary items among other things that lend it to refinement and longevity at higher output levels.Įngineers from Chevrolet stated that it could feasibly be tuned to give the same output of the more powerful 元B versions but the engine and its lighter duty 8L45 transmission would likely not last very long. On the flip side, while the base WT base L2R engine shares all of its major specifications and core hardware with the more powerful 元B versions, it’s was intended for fuel efficiency and lower cost. ![]() These are both mated to a heavier duty next-generation 8L80 8-speed automatic and offer a towing capacity of 7,700 pounds.Ī neat hack was shared by Chevrolet at our press briefing in that if you optioned the mid-level Turbo Plus, stepping up to the HO performance level after your purchase is as easy as going to your Chevrolet Dealership and getting the HO calibration installed through the accessories program for a few hundred dollars. The HO variant has 310 horsepower with 430 pound feet of torque with up to 27 psi boost. The first called Turbo Plus offers 310 horsepower and 390 pound feet of torque with 20 psi boost. The top engines optional in the WT and LT, and variants standard in the Trail Boss, Z71 and ZR2 are based on the 元B version. ![]()
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