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Please help with engine id..... 200

posted by  cranked247 on  Sat Nov 25 04:51 CST 2006
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Ok so I just picked up this rust free 84 wagon that wouldn't start. So in looking at it this is what I have found so far, someone put what I think is a B21 in it and couldn't hook up the LH 2.0 right. So on the block it is not tapped for the knock sensor and on the head (160) it is plugged where the temp sender is supposed to go but this head is not tapped for K jet. The head looks new and the block looks used. So my question is: where can I put the knock sensor or do I have to drill and tap the block in the usual spot, also if I pull out the plug in the head should it be tapped already or do I have to tap that too? And how can I figure out what this block is out of? It only has freeze plugs on one side (exhaust) and no knock sensor hole, so that would mean it was a B21 out of a K jet car right? And why would this head have the temp sensor hole plugged but no K jet holes? Also it has a 3-wire O2 sensor plug, I thought that 84 LH 2.0 had only one wire O2 sensors? Any help would be very appreciated. Thanks


Bevan D








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    Please help with engine id..... 200

    posted by  WEBERMAN on  Wed Nov 29 05:44 CST 2006
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    last visit: Mon Oct 24 13:28 CST 2011
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    Hi!
    Are you sure that the block is B21? I remember that -83 was the last year they made B-21. The head has marked castinc year above 4 cyl. in the exhaust side. The block has serial number behind the distributor, there can be marked engine type ( not always). You can look the distributor number, and find out in VOLVO`s green book which engines it has fitted. Also there is a metal ID plate in the right side of the engine room ( looking car from backside ) There you can see which engine and tranny it has fitted originally, also facturing place and year is marked there. B- 23 has 398 heads in factory fitted (405 in GLT`s). (160 has smaller burning room). All these systems CAN be different, in overseas cars. I think local guys know those things better. Hope this helps just little.

    Yrs: WEBERMAN








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      Please help with engine id..... 200

      posted by  cranked247 on  Wed Nov 29 06:16 CST 2006
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      Well this is not the original engine in this car. It has a 160 head that looks new or rebuilt on an used(dirty) engine stamped 81 next to the oil filter, which would make it a B21 I think. Also only has freeze plugs on exhaust side. So who knows if the distributor is from the original engine or not. You say that the 160 has smaller buring room, so would it raise the SCR from a 398? It also has the magnetic pick up for the dealer tool, which I guess only came on B21 blocks.








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        Please help with engine id..... 200

        posted by  WEBERMAN on  Thu Nov 30 01:12 CST 2006
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        last visit: Mon Oct 24 13:28 CST 2011
        [RELATED]

        HI!
        I thought, that distributor can be original, because those are quite realible,has it contact caps, or is it electrical system? Have this block a coolant water output under the inlet manifold, and where is the crankcase ventilation system? is it in the block or head cover? If someone hasn`t modified burning room it is smaller than 398, and IF engine is B-23 it doesen`t fit good because cyl. dia. and the cooland holes are too small. All 160 heads are so called SCP-core. 398, 405 and 530 has both types. only 531 is allways BCP core. In the high pressures SCP:s can usyally crack. However if the engine is runnig OK those broblems doesent matter anything. If you mean VOLVO`s Monotester sysem, which lies in the valve cover, it doesen`t tell anything what is the engine`s size. ( in overseas modell i`m not sure)In here its all B-17-23 engines. Hope you get all broblems worked out.

        Yrs:WEBERMAN.







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