The Reference Thread

Discussion in 'General Truck Forum' started by bradrhale, Oct 31, 2009.

  1. MrMarty51

    MrMarty51 Full Member

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    I seen and, checked out this thread when I was looking for differences between the married and independent Transfer Cases for My 59 Power Wagon. Wanting to use gears/bearings/caps from a GM T-Case into the isolated T-Case of the old truck.
    Maybe, one of the mods. could add the information that C.C. posted in My thread. Might be helpful to someone, someday.
     
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  2. chevychase

    chevychase Semi-Admin
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    MrMarty51 [​IMG] Senior Member [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] Join DateAug 2013Posts2,020




    Swapping input gears bearings ect in NP205s
    Dodge, Ford and GM input gears are all internally interchangeable in all NP205s with one MAJOR detail:



    GM 27 and 10sp, and Dodge 23 spl all used a SMALL dia input bearing and seal. These shafts can be swapped directly among themselves.



    GM32, Ford 31 and Dodge 29 spl used a LARGER dia bearing. These shafts can be swapped among them selves directly
     
  3. chevychase

    chevychase Semi-Admin
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    Wiper washer fix 88 thru 98 video
     
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  4. MrMarty51

    MrMarty51 Full Member

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    OH SHUCKSSSSsssss, I done gone spent the money and bought a new board for the 93. :no: About a year or two ago. :rofl:
    Just in time though, the 91 is needing that done now. :applaud: :woot: :rofl:
     
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  5. BurbanMan

    BurbanMan Full Member

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    For the sake of knowledge

    Timing advance" refers to the number of degrees*before top dead center(BTDC) that the spark will ignite the air-fuel mixture in the combustion chamber during the compression stroke. Retarded timing can be*defined*as changing the timing so that fuel ignition happens later than the manufacturer's specified time. (ATDC)"
    *
    That means the spark happens before the*piston in*the*cylinder is at TDC. Too much*before TDC and the spark will ignite the mixture and try to push the piston*back in the other direction and fight crank shaft rotation during compression stroke. This makes for hard/slow cranking and pre detonation,*ping or spark knock on a hot engine. It increases cylinder temps on a loaded engine and fires off the mix before full cylinder compression.*Super hard loads*on rotating assembly and will trash bearings, rods, crank*and pistons especially. *
    *
    *Altitude changes that max timing threshold quite a bit.*Less air or density*means less air to compress. This lowers compression and changes the point of detonation.*10°*above stock base timing on a tuned,*carb V8 @ 8,000*alt. and it will never ping unless your running totally **** fuel or have a massive vacuum leak.
     
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  6. BurbanMan

    BurbanMan Full Member

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    For the sake of knowledge

    Timing advance" refers to the number of degrees*before top dead center(BTDC) that the spark will ignite the air-fuel mixture in the combustion chamber during the compression stroke. Retarded timing can be*defined*as changing the timing so that fuel ignition happens later than the manufacturer's specified time. (ATDC)"
    *
    That means the spark happens before the*piston in*the*cylinder is at TDC. Too much*before TDC and the spark will ignite the mixture and try to push the piston*back in the other direction and fight crank shaft rotation during compression stroke. This makes for hard/slow cranking and pre detonation,*ping or spark knock on a hot engine. It increases cylinder temps on a loaded engine and fires off the mix before full cylinder compression.*Super hard loads*on rotating assembly and will trash bearings, rods, crank*and pistons especially. *
    *
    *Altitude changes that max timing threshold quite a bit.*Less air or density*means less air to compress. This lowers compression and changes the point of detonation.*10°*above stock base timing on a tuned,*carb V8 @ 8,000*alt. and it will never ping unless your running totally **** fuel or have a massive vacuum leak.
     
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  7. BurbanMan

    BurbanMan Full Member

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  8. chevychase

    chevychase Semi-Admin
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    YOU.............
     
  9. BurbanMan

    BurbanMan Full Member

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  10. BurbanMan

    BurbanMan Full Member

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