B-train's latest activity

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    B-train replied to the thread Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it.
    Is you oil pressure low with 6 quarts? I wouldn't put in 2 extra quarts due to the foaming possibility of the crankshaft spinning.
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    B-train replied to the thread Bad mpg?.
    I would say that a 6.2L can get the same MPG because it's not working as hard to move the same mass. It's also true for the old 8.1L in...
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    B-train reacted to mikez71's post in the thread 2010 Yukon XL - Roof Leak | Wet Headliner with Like Like.
    Roof rack maybe?
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    B-train reacted to Antonm's post in the thread Bad mpg? with Love Love.
    The EPA is willing to waste A LOT of fuel to control NOX. I know this isn't a diesel discussion, but modern diesels DPF regen uses a...
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    B-train reacted to Marky Dissod's post in the thread Bad mpg? with Like Like.
    CAFE MpG test scores are part of the legality framework that directly affects (not only) GM's bottom line. I agree. So why, after...
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    B-train reacted to Marky Dissod's post in the thread Bad mpg? with Like Like.
    It has been accepted fact for the past 19 years that the AFR is usually stoichiometric (14.7to1 for pure petrol, 14.1to1 for E10, 9.9to1...
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    B-train reacted to blanchard7684's post in the thread Bad mpg? with Like Like.
    Ok great. Now we are getting somewhere… Now that we know how o2 sensors create an input signal to the ecm, how does this information...
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    B-train replied to the thread Bad mpg?.
    I used to do engine development and that was a common practice. I can't say for certain that all manufacturers do it, but it's a way to...
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    B-train reacted to jfoj's post in the thread Bad mpg? with Like Like.
    2024 Yukon Denali XL6.2l with upgraded 22" wheel package. About 2500 miles at this point in time. Above 65-70 MPH MPG starts to tank...
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    B-train reacted to Marky Dissod's post in the thread Bad mpg? with Like Like.
    I find it interesting that, after decades of Corporate Average Fuel Economy testing, leading from 3-speed to 10-speed transmissions and...
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    B-train reacted to blanchard7684's post in the thread Bad mpg? with Like Like.
    I'm 5000 miles into a '24 suburban z71 with 5.3. I'm not focused on fuel mileage in general. However in testing difference between DFM...
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    B-train reacted to swathdiver's post in the thread Bad mpg? with Like Like.
    Some of this is computer controlled, the rest is mechanical. I had a new GM minivan that got terrible mileage until she hit the magic...
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    B-train reacted to JCSFPD's post in the thread Bad mpg? with Like Like.
    I have a 2024 XL 4x4 5.3L with just over 8,000 miles. Florida to Southern Illinois driving 75-85 mph I averaged just over 20 mpg on a...
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    B-train reacted to swathdiver's post in the thread Bad mpg? with Like Like.
    Coming out of Florida you are going up all the time with few hills to drop down on and coast. The engine is almost constantly under a...
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    B-train reacted to Antonm's post in the thread Bad mpg? with Like Like.
    Physics is kinda a *****, and it says to move an "X" amount of mass at a given velocity, it takes a "Y" amount of energy to do so...
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