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How much LESS does the 3.0l motor weigh vs a 3.8l? Or no difference becuase of all the turbo plumbing??
The 3.8 weighs less. Turbos are HEAVY and there are of course 2. Plus a lot of extra plumbing, ducting, cooling/intercoolers(very heavy), etc. good question though is the weight for just the block? But really that doesn’t matter since you have to consider the turbo components.
RWS obviously adds a performance benefit but also adds weight.