Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #41
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    Quote Originally Posted by M0nk3y View Post
    I dont think it should be dismissed.

    On my E46...it clearly needed more gas to get the car moving at full AC versus part-load

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    Yup. Start-stop is a good point and I completely agree. Silly me only thinking about all the highway miles I drive.

    I will tell you...I noticed more bog on the 2001 325i, than I do on the 2004 ZHP.
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  2. #42
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    Jan 1970
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    Quote Originally Posted by danewilson77 View Post
    I will tell you...I noticed more bog on the 2001 325i, than I do on the 2004 ZHP.
    That makes sense

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  3. #43
    Join Date
    Apr 2011
    Location
    Middle River, MD
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    I try not to use the a/c in stop and go; but, if it's just a day around town, I'm cranking that.

  4. #44
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    Mar 2011
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    Quote Originally Posted by M0nk3y View Post
    That makes sense

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    Just curious, why?

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  5. #45
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    Dec 2010
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    South Central PA
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    Quote Originally Posted by Ryans323i View Post
    Just curious, why?
    Older cars the A/C pulls on the engine more or "bogs" it down.
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  6. #46
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    Jan 1970
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    Cleveland/Dayton
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    Quote Originally Posted by Ryans323i View Post
    Just curious, why?
    Smaller displacement engine....effects it more

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  7. #47
    Join Date
    Apr 2011
    Location
    Middle River, MD
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    1,022
    Update - maybe I did get a couple bad batches of gas. I've noticed that my mileage today and yesterday on the highway, both with ac on and off, was significantly better than my last tank which was 318 miles. The needle has barely moved from the full mark and I've already squeezed almost 60 miles out of the tank. Plus, it is so much cooler now, so I think that's part of the cause, too.

  8. #48
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    Aug 2011
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    Las Vegas, NV
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    Quote Originally Posted by M3TA5IN View Post
    Older cars the A/C pulls on the engine more or "bogs" it down.
    This is true. I had an old Chevy truck with a clutch driven cooling fan, no seperate electric AC fan like on the ZHP's. That thing was a PIG with the AC on. I put dual Flex A Lite electric fans in place of the stock clutch fan and what a difference! Not only did I pickup 1.5 mpg more but I could idle all day with the AC on in the desert heat.

    Makes a difference when it's this hot!
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