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But in reality the volumetric efficiency ISN'T occurring, at least in the automotive market.
Don't underestimate the Japanese motorcycle industry. At the end of the day, it won't need to be a wonder bike that produces more power than a normally aspirated engine and gets 90 mpg, it just has to perform the same and meet the new emission laws. Better emissions and same power? Quite doable I expect.
Kev m did mention that Jenn thinks the accelerator pedal is an On/Off switch ;D Dusty
:D Yeah , but don't you need a calender to do performance testing on a jeep ? ;D Dusty
Nate , turbos are allowed in any NHRA class allowing forced induction . Dusty
To quote a wise man, "YES" ;D All of this matters not to me , won't ever need or buy any new vehicle . My point is simply that dismissing the ability of the Japanese to perfect and implement high tech is always a mistake . Dusty
When I'm on the laptop tomorrow I'll post the link to the Consumer Reports that details the tend they've seen in real world testing that patterns what many owners are complaining about.The real world direct injection turbo motors are fairing much better on the US EPA tests, but worse in real world mileage.My personal example I referred to earlier would be:3500# 1.8L turbo ~200 hp Nissan Juke rated at 25/30, but that typically gets 22/25, and can maybe struggle to 27 @ < 65 mph with only me in it.Vs5500# 3.6L NA ~300 hp Jeep Grand Cherokee rated at only 16/23, but with the same drivers gets 19/24, the highway number at 75-80 mph, but has turned in 26+ over 500+ round trip miles with 5 passengers, their luggage for a week, and some off road driving.
Kev, I bought my daughter an AWD Juke when they first came out. She is in college in Anderson, SC. Her trips from school to home and back are mostly on I-85. She usually gets over 30mpg for the trips and I recall her getting 33mpg on one of the trips.
Looking at the size and weight of today's top performing liter bikes, I don't see how that can happen. What is to be gained when you have 375 lbs motorcycles putting out 150+ bhp ?
Turbo or supercharged diesel engines could last forever and deliver prodigious mid torque great economy. Is the M/C community ready for diesel?
Me? I'm gonna have another rum...This is a bit of a tenant, but I'm on an anti turbo kick these days BECAUSE of the unintended consequences of these EPA ratings and café standards shoving them down our gullets when they aren't actually an improvement.My 3.6L NA Pentastar makes nearly 300 hp and regularly exceeds EPA ratings in a 2.5 ton vehicle on regular fuel, while our almost 200 hp 1.8 turbo in a 1.5 ton vehicle can't get near EPA ratings and just barely beats the larger, heavier, NA motor/vehicle running like a granny on premium.And Chrysler is talking about adding a turbo to the Pentastar. >:(