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Thread: Wet Stacking

  1. #1
    Join Date
    Dec 2006
    Location
    MN
    Posts
    324

    Default Wet Stacking

    Has anybody heard of this and does it apply to the 6.5?

    I read about this on another forum as an explanation of how diesel fuel gets into your crankcase oil.

    "Wet stacking is when unburned fuel stacks on top of the piston and drools down the sides into the crankcase oil. It is common when idling for over 15 minutes at regular idle speed. Service vehicles which are called on to idle for long periods have a high rpm idle switch to bump the engine to 1200rpm. Supposedly, this effectively eliminates wet stacking."

    Jody
    The only thing wrong with doing nothing is you never know when you're finished.

    '98 Chev 2500 4X4 longbox ext cab. 5spd man trans, LUK clutch, 220,000 miles. 3" downpipe, 4" exhaust, 5" tip, 80hp upgrade, marine injectors, gauges and fsd heatsync w/#9 resistor. The new motor is on the engine stand in the garage waiting for me to put it in. Also new to me Sept of 09, a bone stock 98 Chev K3500 dually, auto, ext cab, longbox. Only 58K on it and 400 miles on a new IP w/ PMD.
    IAFF Local 1935

  2. #2

    Default

    I know the PCM on 94 & 95's has a pin you can run a switch to that will bump the idle to 1000 until you push the brake. I use it for faster warm-ups in the winter.

    Dan

  3. #3
    Join Date
    Dec 2006
    Location
    MN
    Posts
    324

    Default

    Yes, I recall a post by sixnickle on the procedure. I planned on looking it up and setting up a high idle switch for this winter. Mostly for warm-ups, but I'm not sure if this wet stacking thing is an issue for the 6.5.

    Jody
    The only thing wrong with doing nothing is you never know when you're finished.

    '98 Chev 2500 4X4 longbox ext cab. 5spd man trans, LUK clutch, 220,000 miles. 3" downpipe, 4" exhaust, 5" tip, 80hp upgrade, marine injectors, gauges and fsd heatsync w/#9 resistor. The new motor is on the engine stand in the garage waiting for me to put it in. Also new to me Sept of 09, a bone stock 98 Chev K3500 dually, auto, ext cab, longbox. Only 58K on it and 400 miles on a new IP w/ PMD.
    IAFF Local 1935

  4. #4
    Join Date
    Apr 2007
    Posts
    27

    Default

    How would I go about making it so my '95 6.5 idles higher like you are talking about? What pins do I need to connect? Thanks!

  5. #5
    Join Date
    Dec 2006
    Location
    Hannover, Germany
    Posts
    995

    Default

    Quote Originally Posted by whanker57 View Post
    How would I go about making it so my '95 6.5 idles higher like you are talking about? What pins do I need to connect? Thanks!
    HAve a look here :

    Fast Idle Setup


    Cu,
    Sven


    Germany ? No thank's ! Anybody here, who offers a job incl. greencard/work permit ? - USA or Canada, it would be a pleasure to immigrate !

    1995 Chevrolet K2500 Ext.Cab SB, FSD-Cooler, 3" Rancho Suspension Lift, Rancho Add-A-Leaf, Warp Speed Performance 4" Exhaust, Custom K&N Intake, 285/75/R16 BFG All-Terrain with 8x16 Alcoa's, 4x4 Posi-Lok, Deezee Bullbar, Stepbars, Lunarvisor, Roll-N-Lock Bedcover, Softtopper Bed Extender, Truck Nuts and much more ...

  6. #6
    Join Date
    Apr 2007
    Posts
    27

    Default

    When supplying the wire with 12V with the ingnition on, where should I draw the power from?
    Thanks again!
    1995 Chevrolet C1500 6.5L Turbo Diesel
    Extended cab + 8ft bed = Parking NightMare
    ~Heath Max-E-Tork Eprom~
    Manual wastegate control (custom) set at 15 PSI-
    3" SS exhaust straight-pipe w/3" SS Downpipe~Boost Gauge~
    Relocated PMD w/computer heatsink (CustomDesign) w/#7 Resistor [Heath]
    240k miles...original injectors
    18 mpg country driving/20 mpg 65-70 mph
    ~Torque Convertor Lock-up...
    ...AC DELCO GP's with Manual Override...

    ...I LIKE MY TRUCK...

  7. #7
    Join Date
    Dec 2006
    Location
    Hannover, Germany
    Posts
    995

    Default

    Quote Originally Posted by whanker57 View Post
    When supplying the wire with 12V with the ingnition on, where should I draw the power from?
    Thanks again!

    There are a lot possibilities to get 12V with igniton on. From the ignition switch, from the fuse box in the engine compartment, and so on. If i needed 12V, only hot with ignition on (for my DRL's) , i took it from the fuse box in the engine compartment on the inner driver side fender. Open the box, unscrew the one screw on the left and lift it carefully. Remove the plastic cap at the bottom. There are a lot of PINK wires, which should only hot with ignition on.
    Take a "check lamp" and check it before you wire it to the ECM. There is one pink wire, that goes to a fuse (i think 10amps) that is declared as for ignition (see diagram inside the upper cap).

    Cu,
    Sven


    Germany ? No thank's ! Anybody here, who offers a job incl. greencard/work permit ? - USA or Canada, it would be a pleasure to immigrate !

    1995 Chevrolet K2500 Ext.Cab SB, FSD-Cooler, 3" Rancho Suspension Lift, Rancho Add-A-Leaf, Warp Speed Performance 4" Exhaust, Custom K&N Intake, 285/75/R16 BFG All-Terrain with 8x16 Alcoa's, 4x4 Posi-Lok, Deezee Bullbar, Stepbars, Lunarvisor, Roll-N-Lock Bedcover, Softtopper Bed Extender, Truck Nuts and much more ...

  8. #8

    Default

    What does diesel in your oil look like? Thinking I might have diesel in oil. Oil is dark, almost black, and a liitle bit slimy. Thinking so. anybody?

  9. #9
    Join Date
    Aug 2007
    Location
    Springfield, Missouri U.S.A.
    Posts
    533

    Default

    Sounds pretty normal to me actually. Does it SMELL like diesel fuel? Im sure it smells like oil but you could probably pickup the smell of diesel along with it if there was some in it.
    1996 Chevy Suburban 2500 4x2 6.5 TD 4L80E 225,000 Miles. New IP, lift pump, glow plug controller, harmonic balancer

    1979 Chevy C10 Pickup, Long Bed, 454 with TH400 and 14 bolt FF 4.10 rear

    1976 Ford Pinto Sedan With Trunk. 2.3/4 Speed 151k Miles

    1974 Ford Pinto Wagon 2.3/4 Speed 100k Miles

    1979 Ford Pinto Sedan 2.3/Auto 107k

  10. #10
    Join Date
    Apr 2007
    Posts
    27

    Default

    oops...sorry 3bals...

    I just realized I jacked the thread for awhile, sorry about that.
    1995 Chevrolet C1500 6.5L Turbo Diesel
    Extended cab + 8ft bed = Parking NightMare
    ~Heath Max-E-Tork Eprom~
    Manual wastegate control (custom) set at 15 PSI-
    3" SS exhaust straight-pipe w/3" SS Downpipe~Boost Gauge~
    Relocated PMD w/computer heatsink (CustomDesign) w/#7 Resistor [Heath]
    240k miles...original injectors
    18 mpg country driving/20 mpg 65-70 mph
    ~Torque Convertor Lock-up...
    ...AC DELCO GP's with Manual Override...

    ...I LIKE MY TRUCK...

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