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  1. Join Date
    Oct 2002
    Posts
    3
    #1
    ano po ang difference ng 2.8 L at 2.5 L engine ng pajero.

  2. Join Date
    Oct 2002
    Posts
    22,658
    #2
    I think they're two entirely different engines. Hindi po sila from the same family.

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  3. Join Date
    Oct 2002
    Posts
    232
    #3
    2.5 L = 4D56
    2.8 L = 4M40

    HTH

  4. Join Date
    Oct 2002
    Posts
    10,603
    #4
    Nakupow, napakaraming pagkakaiba nyan..... too many to mention

  5. Join Date
    Oct 2002
    Posts
    10,942
    #5
    Eto po mas madaling explanation:

    2.5L = 4D56 = mas mura in terms of maintenance and overhaul expenses.

    2.8L = 4M40 = for individuals with deep pocket or humongous credits.

  6. Join Date
    May 2009
    Posts
    1,990
    #6
    Quote Originally Posted by Ungas View Post
    Eto po mas madaling explanation:

    2.5L = 4D56 = mas mura in terms of maintenance and overhaul expenses.

    2.8L = 4M40 = for individuals with deep pocket or humongous credits.
    sir hindi rin eh. the timing chain on the 40 will surely outlast the belt on the 56 assuming we use them on the same application and mode of driving.

    dapat siguro ganito:

    2.5L = 4D56 = for individuals with deep pocket or humongous credits.

    2.8L = 4M40 = mas mura in terms of maintenance and overhaul expenses

    peace out!

  7. Join Date
    Oct 2002
    Posts
    4,614
    #7
    the most basic difference is an additional 26 hp and 35 lb-ft (around 47 Nm) of torque (yata) for the 4m40 2.8L

  8. Join Date
    Oct 2002
    Posts
    1,012
    #8
    4D56: 100 hp; timing belt, manually adjustable valve tappet settings, manifestly longer turbo lag (can be corrected via manual boost controller), higher tendency to emit smoke (can be corrected by frequent/regular pms and use of biodiesel)

    4M40: 125 hp; timing chain, self-adjusting valve tappet settings, bigger diameter exhaust manifolds, better acceleration, lesser turbo lag, better emission performance due to more efficient mechanism to mix air/fuel, more sensitive reaction to biodiesel (better fuel burn, improved fuel economy, and improved engine performance), more capable of pulling the heavy body of the pajero.

    in the long run, 4M40 may prove to be cheaper to maintain.

  9. Join Date
    May 2009
    Posts
    1,990
    #9
    Quote Originally Posted by woodfire View Post
    4D56: 100 hp; timing belt, manually adjustable valve tappet settings, manifestly longer turbo lag (can be corrected via manual boost controller), higher tendency to emit smoke (can be corrected by frequent/regular pms and use of biodiesel)

    4M40: 125 hp; timing chain, self-adjusting valve tappet settings, bigger diameter exhaust manifolds, better acceleration, lesser turbo lag, better emission performance due to more efficient mechanism to mix air/fuel, more sensitive reaction to biodiesel (better fuel burn, improved fuel economy, and improved engine performance), more capable of pulling the heavy body of the pajero.

    in the long run, 4M40 may prove to be cheaper to maintain.
    older 4d56 turbos are rated 84 brake hp (first gen pajero). the newer ones (i think after 1993) gives 100.

    and yes i agree (again), that in the long run, 4M40 may prove to be cheaper to maintain.

    andami ko na kaya nagastos sa 56 ko. halos timing belt ang kumain sa budget.

    pero as per my review on the service manual the 4M40 does not have self adjusting valves. yes the rocker arm-shaft assy is absent but the adjustment of valve clearance is via a shim located in between the camshaft lobe and the end of the valve. a simple math work is involved here since you have to measure the gap while its installed as well as the indicated size on the installed shim and take into account the wear on the cam lobes and available shim sizes at auto stores.
    Last edited by miked; June 7th, 2011 at 02:06 PM. Reason: added info

  10. Join Date
    Nov 2010
    Posts
    25,276
    #10
    Quote Originally Posted by miked View Post
    older 4d56 turbos are rated 84 brake hp (first gen pajero). the newer ones (i think after 1993) gives 100.

    and yes i agree (again), that in the long run, 4M40 may prove to be cheaper to maintain.

    andami ko na kaya nagastos sa 56 ko. halos timing belt ang kumain sa budget.

    pero as per my review on the service manual the 4M40 does not have self adjusting valves. yes the rocker arm-shaft assy is absent but the adjustment of valve clearance is via a shim located in between the camshaft lobe and the end of the valve. a simple math work is involved here since you have to measure the gap while its installed as well as the indicated size on the installed shim and take into account the wear on the cam lobes and available shim sizes at auto stores.
    Kelangan pa rin pala i-pa-adjust valve clearance. Pa-check ko nga saken.
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  11. Join Date
    Nov 2002
    Posts
    1,398
    #11
    sir wodfire sbi ng ahente nmen timing belt dw ung 4m40? ewan ko lang pro bugoy ung ahente r... ni nde nga mapagana ung dvd sa 2003 paj. ako pa nka kalikot...

  12. Join Date
    Nov 2010
    Posts
    25,276
    #12
    Quote Originally Posted by lui View Post
    sir wodfire sbi ng ahente nmen timing belt dw ung 4m40? ewan ko lang pro bugoy ung ahente r... ni nde nga mapagana ung dvd sa 2003 paj. ako pa nka kalikot...
    Nabasa ko lang, buyoy pa sila noon eh, mga bata pa.
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2.8 L Pajero engine