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Thread: 4BD1 or 4BD1t?

  1. 12th December 2007, 10:13 PM #11
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    Quote Originally Posted by Jack the Lad View Post
    I know it's not a great pic but I dont know these engines very well...yet. I think it is 4BD1...
    All Looks identical to mine (4BD1)but I have an acoustic cover. (Ex 1988 110)

    It will have the engine designation written on the passenger side of the block at the bottom. In big letters.

    JC
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  2. 12th December 2007, 10:30 PM #12
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    Quote Originally Posted by Jack the Lad View Post
    is the 4BB1 the smaller brother to the 4BD1?
    pretty much, some very minor changes here and there.
    Dave

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  3. 13th December 2007, 06:09 AM #13
    Dougal
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    Quote Originally Posted by Jack the Lad View Post
    is the 4BB1 the smaller brother to the 4BD1?
    3.6L methinks for the 4BB1.
    Superceeded by the 4BE1 which is also 3.6L with a rotary fuel pump.

    The 3.3L is a 4BC2 which has the same rocker cover as the 4BD1's.
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  4. 13th December 2007, 06:20 AM #14
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    ok so whats the number for the smaller version of the 4bd1 thats got the inline pump setup like the 4bd1....
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
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  5. 13th December 2007, 07:20 AM #15
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    G'day All, As Justinc said it just hasn't got the 'Silencer Kit' on the rocker cover, it sure looks like an early type as fitted to some Series 3 Stage 1's, but the real proof will be the number/letters cast on the side of the block. I'd bet it's a noisey beast without that 'Silencer', cheers Dennis
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  6. 13th December 2007, 07:44 AM #16
    Jack the Lad
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    Thanks v much all. I am going out west to look at vehicles in couple of weeks. I will post some decent pics then and am sure I will have more questions... The blokes at the landy parts place i shop at were convinced it was a 4bd1, but they only had the same pic i put on here... which would be the better box...LT95 or 5 speed out of a defender (R380??)?
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  7. 13th December 2007, 08:21 AM #17
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    the choice of box will depend on what you want to do with it..

    If its going to be a tractor the 95 is your box of choice. If its not going to work hard but do a lot of miles and lightly loaded cross country then the R380 is your choice.

    having said that the R380 in big red is still doing good things after a lot of not so nice work.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
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  8. 13th December 2007, 09:31 AM #18
    Dougal
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    Quote Originally Posted by Dinty View Post
    G'day All, As Justinc said it just hasn't got the 'Silencer Kit' on the rocker cover, it sure looks like an early type as fitted to some Series 3 Stage 1's, but the real proof will be the number/letters cast on the side of the block. I'd bet it's a noisey beast without that 'Silencer', cheers Dennis
    I've never seen a 4BD1 with an aluminium rocker cover, I spent a little time hunting for one before giving up. But previous engines which share a lot of parts occasionally have them.
    Someone once mentioned a QD100 isuzu industrial engine.
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  9. 13th December 2007, 10:47 AM #19
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    G'day All, I'm certain that if you took off the silencer, the alloy rocker cover will be there, well it is on my 1984 110 Isuzu County or dont you own one? to check, cheers Dennis
    When you remove the oil filler cap you can see the alloy cover under it.
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  10. 13th December 2007, 02:12 PM #20
    Dougal
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    Quote Originally Posted by Dinty View Post
    G'day All, I'm certain that if you took off the silencer, the alloy rocker cover will be there, well it is on my 1984 110 Isuzu County or dont you own one? to check, cheers Dennis
    When you remove the oil filler cap you can see the alloy cover under it.
    My JDM engine is steel underneath and I think it's 86 model year.
    Pull off the breather hose and see if it's a steel or alloy pipe. That pipe is the same material as the cover underneath.

    It looks like that engine has a throttled air intake. That means it's earlier than the 4B series.
    Last edited by Dougal; 13th December 2007 at 02:17 PM.
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