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3406 2ws. liner question/opinion.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by snowman_w900, Mar 10, 2013.

Page 1 of 3
  1. Mar 10, 2013 #1
    snowman_w900

    snowman_w900 Road Train Member

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    working on a freinds 2ws. broke valve spring and dropped a valve on number 4.already got reman head,head was good for core, got one injector and turbo and piston cooler nozzle.

    The truck only has 610,000 original miles. i have known the truck since it was new in 2000. it was maintained meticulously,oil changed always around 10,000, coolant always maintained, air filter kept clean/changed. the inside of this things is close to spotless and rod and main bearings are still beautiful. its a 475/1650 2ws. just put all reman injectors and updated rockers and bolts last year.

    since it really only needs one hole, all it done was shatter the skirt and burr up the crown, all the other pistons and liners look great. looking at them without pulling them.........

    heres my question, whats some opinions on going ahead and pulling the other liners and o-ringing them and reinstalling them since i'm going to be putting one hole in. i have never put old liners back in and normally would never consider it, but i dont see why i should replace them being in great shape like they are.truck ran great and didnt use oil. So, pull them or not mess with them at all?

    anyone ever done this?
     
    snowman_w900, Mar 10, 2013
    snowman_w900, Mar 10, 2013
    #1
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  3. Mar 10, 2013 #2
    CatPowerC15

    CatPowerC15 Medium Load Member

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    Siler City, NC
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    While I was that far, I'd go ahead and rebuild. Counterbore the block. I'd bet $$$ it needs it. Just a dumb persons opinion...

    Counterboring a Cat block is like life insurance....it's not if youre going to need it, but when youre going to. Its going to happen....
     
    CatPowerC15, Mar 10, 2013
    CatPowerC15, Mar 10, 2013
    #2
  4. Mar 10, 2013 #3
    BigSam

    BigSam Light Load Member

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    If you have the money, rebuild the whole engine paying close attention to liner heights. If every thing else looks good and money is tight do the one hole.
     
    BigSam, Mar 10, 2013
    BigSam, Mar 10, 2013
    #3
  5. Mar 10, 2013 #4
    Mr. Haney

    Mr. Haney Road Train Member

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    The big question is what do the back side of the liners look like with pitting. If there is no pitting than the next thing to consider is the cross hatching of the cylinder walls. If everything passes a through inspection I wouldn't be afraid to reuse the 5 cylinder packs. Now the other thing to be very careful about is keeping each piston, piston rings and liner together. You also must mark each liner for the cylinder it came out of, along with position of the liner in relationship to a clock face. You want to install the liners in exactly the same spot as far as the index mark. Now the next thing will be deck surface condition at the liner flange and liner protrusion installed height. If everything is in specs and no evidence of fretting of the block than you can reuse them. Otherwise you will have to cut the block and shim the liner to raise flange height. If this does need to be done then I'd say its time for new cylinder packs, the reason for this is the flange itself may not be perfect where it sits on the block deck surface if its been moving in the past. With the low miles on these rods and pistons you could also buy new liners and ring sets and install them using the old parts.
     
    Mr. Haney, Mar 10, 2013
    Mr. Haney, Mar 10, 2013
    #4
    puncher and Scrapper Thank this.
  7. Mar 10, 2013 #5
    snowman_w900

    snowman_w900 Road Train Member

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    Thanks for the replies men. nothing like having somes seconds opinions sometimes.

    Kurt, i you answerd the question before i ever really got to ask it, and for that i say thank you. you kinda read my mind. this truck doesnt get used really except for spring and fall. so, i dont know how much hes gonna spend.hes not a cheapskate, just thinking a few options other than a major rebuild. especially when the cross hatch in liners and pistons look great. still need to pull the liners and check for cavataion. that will be a deciding factor i guess.

    i havent ever priced just a liner, any idea what they cost?
     
    snowman_w900, Mar 10, 2013
    snowman_w900, Mar 10, 2013
    #5
  8. Mar 10, 2013 #6
    sulltran

    sulltran Light Load Member

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    Feb 8, 2009
    Boston,MA
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    I believe the CAT liners are around $180 and aftermarket can be had around $100.
     
    sulltran, Mar 10, 2013
    sulltran, Mar 10, 2013
    #6
  9. Mar 10, 2013 #7
    CatPowerC15

    CatPowerC15 Medium Load Member

    347
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    Feb 18, 2010
    Siler City, NC
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    At one time Jack at Midwest Diesel had new in the box Cat liners for $100 each.
     
    CatPowerC15, Mar 10, 2013
    CatPowerC15, Mar 10, 2013
    #7
  10. Mar 14, 2013 #8
    Dreher

    Dreher Bobtail Member

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    Jul 9, 2011
    North Dakota
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    I just got cylinder packs for $400 from Midwest Diesel. CAT wanted $583.02 for 10r7172.
     
    Dreher, Mar 14, 2013
    Dreher, Mar 14, 2013
    #8
    snowman_w900 and Scrapper Thank this.
  11. Mar 14, 2013 #9
    snowman_w900

    snowman_w900 Road Train Member

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    i cant remember, is that a acert cylinder pack though? 10r7172.
     
    snowman_w900, Mar 14, 2013
    snowman_w900, Mar 14, 2013
    #9
  12. Mar 14, 2013 #10
    Dreher

    Dreher Bobtail Member

    28
    5
    Jul 9, 2011
    North Dakota
    0
    It is an industrial cylinder pack. 16:1 compression. The factory 625 has 17:1 packs and a 435 to 550 acert has 18:1
     
    Dreher, Mar 14, 2013
    Dreher, Mar 14, 2013
    #10
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