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shifting with jake

Discussion in 'Questions From New Drivers' started by djc03006, Jul 19, 2008.

Page 2 of 4
  1. Jul 20, 2008 #11
    d-man57

    d-man57 Light Load Member

    246
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    Nov 20, 2007
    Indiana
    0
    Shifting with the jake and leaving your foot on the clutch are bad habits, i personally see no reason for either one.
     
    d-man57, Jul 20, 2008
    d-man57, Jul 20, 2008
    #11
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  3. Jul 20, 2008 #12
    GasHauler

    GasHauler Master FMCSA Interpreter

    6,257
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    Oct 23, 2005
    Vegas/Jersey
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    I have to agree.
     
    GasHauler, Jul 20, 2008
    GasHauler, Jul 20, 2008
    #12
  4. Jul 21, 2008 #13
    Macho Macho Man

    Macho Macho Man Light Load Member

    51
    5
    Jul 6, 2008
    Here and there
    0
    Yeah I can't understand why you would have the jake on in that situation. Switch it off.
     
    Macho Macho Man, Jul 21, 2008
    Macho Macho Man, Jul 21, 2008
    #13
  5. Jul 22, 2008 #14
    djc03006

    djc03006 Bobtail Member

    9
    0
    Feb 11, 2008
    Framingham, Mass
    0
    thanks for the input fellas, its just tough to properly upshift when climbing a hill with a heavy load, like i said shifting is not an issue on a hill, i just wind it up a few hundred more rpms and wait a little longer before i hit next gear, just that by the time i give it throttle the engine is being lugged due to having to wait in neutral while the rpms dropped enough to shift smoothly. shifting with the jake is a skill, and yea if you dont know what your doing i can see where problems can happen, but if you know what your doing, it can be a HUGE help.

    i highly doubt there is a better alternative to shifting while climbing a hill than to properly use the jake, with a heavy load in a dump truck, all the good dump truck drivers seem to be quite familiar to upshifting with the jake on, so i plan on joining the pack. thansk - dan
     
    djc03006, Jul 22, 2008
    djc03006, Jul 22, 2008
    #14
  7. Jul 22, 2008 #15
    rockee

    rockee Road Train Member

    1,393
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    Apr 17, 2007
    Pacific Northwest
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    I see some varried comments coming your way..............I had to go to work and was rushed when I typed that, but my question is what possible reason would you have for using your jake while going up hill? If you think it's going to help you shift better I dont think it will. The purpose of a jake or engine brake is to slow things down. Maybe I am missing something and you can explain it to me please.
     
    Last edited: Jul 22, 2008
    rockee, Jul 22, 2008
    rockee, Jul 22, 2008
    #15
  8. Jul 22, 2008 #16
    2fuzy

    2fuzy Road Train Member

    1,053
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    Jun 19, 2008
    Granite Canon,WY
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    listen to otter
     
    2fuzy, Jul 22, 2008
    2fuzy, Jul 22, 2008
    #16
  9. Jul 23, 2008 #17
    Ken Worth

    Ken Worth Medium Load Member

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    Jun 29, 2008
    Great Plains
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    ****Don't*****
     
    Ken Worth, Jul 23, 2008
    Ken Worth, Jul 23, 2008
    #17
  10. Jul 24, 2008 #18
    Kaonix

    Kaonix Light Load Member

    51
    9
    Jul 23, 2008
    In my, Truck
    0
    Drove a dump truck and currently drive my own otr truck. I've NEVER shifted with the jake. Especially uphill. Whats the point? Is it possible those guys are running 13-18 speeds and are using the jake when splitting gears? I know some guys who do that, don't recommend it, but if your good at it, won't hurt anything. However, if your driving a straight 7-10 speed, the jake WILL not help you shift up a hill. Just keep practicing shifting. You'll be running the hills like a pro. Keep in mind also, some trucks are spec'd out by accountants, not truck drivers. No matter how hard you try you might NEVER get it to not lug. It might be geared just a 10th or two too high and that's causing the lugging.
     
    Kaonix, Jul 24, 2008
    Kaonix, Jul 24, 2008
    #18
  11. Jul 24, 2008 #19
    fmrbydaytkrbynight

    fmrbydaytkrbynight Bobtail Member

    43
    1
    Apr 27, 2007
    Texas
    0
    dan i am curious about what transmission this truck you are driving has in it. if its a six or seven speed, i can see where the jake could slow the engine faster in between the gears to help get the engine get to the right speed for the next gear. but as for 13 15 or 18 speeds i don't think there is enough gap in between the gear speeds for you to use the jake effectively to upshift. one thing you might try is double clutching.
     
    fmrbydaytkrbynight, Jul 24, 2008
    fmrbydaytkrbynight, Jul 24, 2008
    #19
  12. Jul 27, 2008 #20
    djc03006

    djc03006 Bobtail Member

    9
    0
    Feb 11, 2008
    Framingham, Mass
    0
    its an 8ll tranny. double clutching isnt the answer cuz i can get it in and out of gear allright, but if i shift with the jake on, i can prevent the road speed from falling too much, which will prevent the engine from lugging. im kinda tired of all the posts saying you shouldnt do it , to me , a real pro can easily shift with the jake on, without damaging a thing. the alternative to not shifting with the jake on a steep hill with a heavy ### load is to lug the engine, which definitely is a bad thing.
     
    djc03006, Jul 27, 2008
    djc03006, Jul 27, 2008
    #20
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