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  1. #1
    Senior Member Tinman's Avatar
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    Default Check out the engine number

    I found this on flee bay. Is it just me or does this engine number seem suspect. The engine number matches the part number of the four bolt main caps. It seems a bit odd to me.
    Can anyone tell me what those caps are? it appears that they have a GMH part number.

    HOLDEN HSV VT 220KW STROKER ROLLER CAM ENGINE BLOCK 355 - eBay V8 Engines, Engines, Components, Car Parts, Accessories, Cars, Bikes, Boats. (end time 10-Nov-08 20:00:00 AEDST)
    Cheers Tinman

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  2. #2
    been here .......too long Smitty2's Avatar
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    Default

    seller sez.....
    "Comes complete with ARP main studs and main caps. Matching engine number and main caps VP92060712"

    huh?
    main caps are plainly Holden...not ARP (studs would be ARP I guess as Holden does not do studs)
    and an engone number that matches the caps part number?
    ....uuuggh

    biggest problem though I reckon is that the seller sez one of the cylinders has been sleeved. why???

  3. #3
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    Default engine number

    A vp number indicates the car had been stolen at some some stage and re stamped by vic police, hence the vp. In my case both engine and chasis has been issued a vp number

  4. #4
    Senior Member Tinman's Avatar
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    Quote Originally Posted by misy View Post
    A vp number indicates the car had been stolen at some some stage and re stamped by vic police, hence the vp. In my case both engine and chasis has been issued a vp number
    VP is the origional prefix for the HSV VT5.7 220kw. The block is the factory cleared vt roller block. What you say may be the case. It just stood out as being odd.
    Cheers Tinman

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  5. #5
    Senior Member Tinman's Avatar
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    Quote Originally Posted by 400HPONLPG View Post
    Whats with the group A caps on a VT roller block ? what on earth are those extra oil lines supposed to do ? Wonder what this thing did in its previous life , being sleeved on only one cylinder , something nasty in the woodshed methinks !!!
    I cant see that the oil lines would do much. A bit of experimental overkill if you ask me. You already have the restriction of the single gallery between the pump and the point that they come off.
    Cheers Tinman

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  6. #6
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    That is a circuit engine, caps are holden.
    The oil lines are to direct feed the mains, ie convert it to a priority main oiling system.
    That's a goddam rare engine, factory 4 bolt - smells like HRT.

    That was at some point in time a rather serious race engine, probably ex Group A, or a development engine.

    Pity he hasn't got the heads that go with it - VN style, but the casting was scratched out to raise the runners, they'll go past 330cfm.

  7. #7
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    To be honest I don't know!

    That's the first one I've seen, but I have heard of them & recognised it from a description, the non-splayed 4-bolt cast caps are the giveaway.

    The oiling system is a pearler - rather than the lifter galleries feeding the cam brgs which in turn feed the crank the feeds from the lifter bores to the cam brgs are blocked & the lifter bore galleries restricted, the oil lines then feed the groove around the back of the cam brgs direct - ie straight to the mains without feeding the lifters first, the cam brgs themselves are restricted - blank bearings with no oil hole are used & then the oil hole is drilled much smaller than stock, so the cam brgs don't bleed off oil that should be going to the mains.
    Shmich setup - no probs with all the oil ending up in the covers coz the lifter galleries are restriced, direct feed to the bearings so it can be revved to the moon without fear of wiping a bearing.

    That's a goddam trick block, would be a great collector item or even better the basis for a stupid ass circuit engine.

  8. #8
    Senior Member Tinman's Avatar
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    Interesting setup/concept. The idea of all the oil not ending up in the tappet covers wins me over. What do they use to restrict the flow to the lifter bores? Fairly large holes to fill up. I would not want one of those compression joints to start leaking though.
    Cheers Tinman

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  9. #9
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    Lifter galleries are restricted with a big ass BSP plug - with an appropriately sized hole drilled in it, they are restricted near the front of the motor, just after the gallery splits.

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