Priming a Rover v8 help!!! - Page 2
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  1. #11
    Official RnS Addict harris66's Avatar
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    Quote Originally Posted by Stroprock View Post
    Just been and had the LH head off. Looks like it isn't sealing between the block, head and the gasket . Could it be the block face isn't clean enough? I didn't clean it after removing the old gaskets, the manual never said to.
    both should be spotless mate -)
    i want cubic inches! lots of em!!

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  3. #12
    Official RnS Addict Stroprock's Avatar
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    So this could the problem then? I will clean it with some petrol and a brass wire brush next. Can I reuse the composite head gaskets though? I haven't obviously run the engine, just torqued the heads down once.

  4. #13
    Official RnS Addict v8ian's Avatar
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    Is the oil leaking into the valley possibly from assembly,??? before I would break the engine down I would clean the block down with thinners and crank up the primer shaft. then confirm where the oil is coming from,
    A couple of things that I have thought of, did you clean out the threaded holes with a tap?? Could the bolt holes be full of oil from assembly, that can cause the bolts to hydraulic and not torque up, another thought, the heads were skimmed, are the bolts bottoming out?????

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    Administrator Darren West's Avatar
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    Use a flat scraper to clean both surfaces but do not damage the alloy head
    Then I allways use some 600 grit wet n dry on a flat metal block and clean off any residue

  7. #15
    Official RnS Addict Stroprock's Avatar
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    There seems to be oil on both sides the old gaskets. Apparently all head gaskets up to 1994 on rover v8 engines are interchangeable/the same. And theres no up or down on the composite gaskets according to RPI.

  8. #16
    Official RnS Addict Stroprock's Avatar
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    Quote Originally Posted by v8ian View Post
    Is the oil leaking into the valley possibly from assembly,??? before I would break the engine down I would clean the block down with thinners and crank up the primer shaft. then confirm where the oil is coming from,
    A couple of things that I have thought of, did you clean out the threaded holes with a tap?? Could the bolt holes be full of oil from assembly, that can cause the bolts to hydraulic and not torque up, another thought, the heads were skimmed, are the bolts bottoming out?????
    I will clean out as much out the holes as I can too. Good idea
    The heads definitely aren't bottoming out, there only 0.020" lower.

  9. #17
    Official RnS Addict Stroprock's Avatar
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    Meticulously cleaned both faces on both sides, cleaned the holes, bolts, threads the lot, torqued it all down properly and it still ****ing leaks oil from the front a rear of both heads on the inside!!!!!
    Perhaps the heads are warped or something. Should I use the older type tin plate gaskets instead of the composite and shim the rocker pedestals to account for the difference in gasket thickness, so as not to upset the lifter preload?

  10. #18
    Official RnS Addict mygasser's Avatar
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    head gaskets go on one way only. maybe they were wrong way round/up and the oilway was (partly?) exposed causing the leak. if so definately don't reuse them.
    need a job done on your project? i may be able to help.

  11. #19
    Official RnS Addict Stroprock's Avatar
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    Quote Originally Posted by mygasser View Post
    head gaskets go on one way only. maybe they were wrong way round/up and the oilway was (partly?) exposed causing the leak. if so definately don't reuse them.
    On the phone to RPI yesterday, they said composite ones go either way up, they're not handed apparently. No markings on them to denote top bottom up down

  12. #20
    Official RnS Addict mygasser's Avatar
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    but when you sat them on the block did the oilway to the head line up with the gasket hole?
    need a job done on your project? i may be able to help.

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