Quote:
Originally Posted by trailraat
The reason they are moving to the smaller turbo charged engines is so they can keep their fuel economy numbers low in order to meet EPA requirements in the States without being penalized. It allows the automaker to cheat the system. They can sell you a vehicle with a turbo-ed small displacement engine that gets great fuel mileage unloaded and still makes enough power for them to make their claims about towing capacity. What they don't tell you or the EPA is that while that engine makes the power to tow, it burns an incredible amount of fuel to do that while putting a much more significant strain on the engine. Your mileage may not be that much different from a larger V8 when towing, but you are certainly putting much more strain on that V6 Engine. Turbos don't make engine components any stronger or tougher.
If you are using the pick-up as a commuter around town, towing light loads, and rarely towing heavy loads and Eco-Boost isn't necessarily a bad idea, but don't be deceived into thinking that engine displacement can be simply replaced by Turbo chargers for every application. A vehicle with a larger engine should tow large loads more reliably with less strain on the engine over the long term.
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And when the manufacture posts unrealistic Milage expectations with small displacement engines, the RoadTest/Milage ratings are done using stripped down in similar class vehicles , rear wheel drive (example)as in f150 v6 echo terd engines , under Milage friendly conditions , then post those Milage ratings to the public, and gullible joe public gets screwed ,
In the 1970s I spent time and money building carburated small block chevy v8 engines for the quarter mile strip, many of those small block Chevys would make better Or equal quarter mile times than similar cars with the carburated big blocks',,,,
But the small blocks would only last a couple of trips, then blow up or need rebuild,
Smaller CAN make big power, but it comes at a cost,
FUEL and ENGINE LIFE