2013 Columbia spec'ing

Discussion in 'Freightliner Forum' started by Cowpie1, Dec 4, 2011.

  1. stranger

    stranger Road Train Member

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    I didn't know if the rears had been made stronger through the years or not. Around 10 or more years ago 1350-1450 ft lbs was about all you could put on them, and you also needed larger driveshafts to handle the high torque needed to get them moving.
     
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  3. josh.c

    josh.c Road Train Member

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    What's the idea behind the higher thermostat rating?
     
  4. Cowpie1

    Cowpie1 Road Train Member

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    The engine actually is more fuel efficient at a higher temp. The only reason for standard 180-190 thermostat is because of the water that is part of traditional coolant. Water boils, creates air pockets along cylinder liners and pump, etc and leads to cavitation on cylinder liners. Evans is waterless. Needs no radiator pressure cap as well like water based coolant. This saves on hose stress. Also, by spec'ing higher fan on/fan off settings, fan runs less, which also increases fuel efficiency as well as less wear on fan clutch.
     
    josh.c Thanks this.
  5. josh.c

    josh.c Road Train Member

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    So what kind of oil temperatures do you think you'll be looking at with that setup? I had read about waterless coolant before, but never really thought about it much.
     
  6. KANSAS TRANSIT

    KANSAS TRANSIT Road Train Member

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    Glasco,Ks.
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    Only real drawback to the "airplane gears" is IF you are heavy and are constanly backing on inclines it really makes reverse fast.

    We ran direct drive trannies right up until we went auto-shifts.
     
  7. therabbittree

    therabbittree Bobtail Member

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    Mummn I like the ideas for fuel economy ..but you must not have hills out where you are.. i don't know if i could run a 2.64 direct out in the Northeast, or west?..I'm used to a 18 speed and 4.10's, and that works hard to get up hills... are you looking to run a tag axle / single drive, super singles etc?...looking into a glider myelf..but at a Argosy. does your dealer have a price sheet for them?...
    Thanks,
    Deo
     
  8. Laredo

    Laredo Bobtail Member

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    What kind of life expectancy will you have with the 12.7 reman? I assume it can be rebuilt?
     
  9. leftlanetruckin

    leftlanetruckin Road Train Member

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    My gauges, which I guess are the same as yours will be. Mine has the Heritage interior, which the dealer said was well worth it...apparently.:biggrin_2552:
    gauges-web.jpg
    This was in Utah IIRC, on I15 where the limit is 80.
    I looked into the gliders myself years ago, as I absolutely loved my old S60 motor. I now have the MBE with a blocked off EGR, so not a lot of difference emission wise. I do miss the power though.
    There are a few drawbacks to the gliders, but running where you do it shouldn't be an issue. Some states even give you a hard time registering them IIRC...

    Martin
     
  10. 25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    the road less travelled
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    We had some 2001 FLDs with Rockwell 10 speed direct transmissions and with 2.64 ratios, I thought that was too tall for what we were doing, and I did take some long distance runs, one to Denver and then Utah and another to NYC. Many trips to Chicago, and some to Toledo, relays. It pulled the mountains okay, though not as well as with a 13 speed.

    Backing up a steep incline is hard with any direct geared tall, we had a 13 speed that I drove before and a place where you back up a pretty good incline from around a corner. I really liked the 18s better for doing things like that.


    We had 5 of those 10 speeds, two got wrecked and the power dividers went on the other 3 from pulling chix, that is hard on drive lines because so much is off pavement and the trailers were spread axle so they pulled hard during turns

    The one I drive now has bigger steps between gears than the 2001 had, and it has a 3.42 ratio with an Eaton 10speed OD, it runs even less rpms in high than the 2001 did.

    Progressive shifting helps more with the OD than it did with the direct, and the direct really rolled out going downhill, all I have driven have been that way. The OD doesn't as much, the difference is noticeable.
     
    Last edited: Jan 22, 2012
  11. double trouble 1976

    double trouble 1976 Bobtail Member

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    carol stream illinois
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    my two cents is this is a gret idea. However they are about to level some standards on trucks, emissions etc and put in place some regulations that may cause trouble going this route. They have E.G.R standards now and exhaust systems with sensors, catalytic converters that will prove difficult to overcome. Word has it that the government will be looking to cut plating trucks if they are too old or not compliant with current laws. Best of luck to ya though, hope your truck works out!!
     
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