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Thread: New Head Gaskets

  1. 8th January 2017, 07:46 AM #71
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    ozscott
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    Hard to see in the photo especially with oil leak from the valley but there was a fair bit of dexcool OAT under there also. So it leaked Dexcool OAT and Nulon HOAT. Both slippery as the proverbial. These coolant types are so slippery I wonder how it stays put. I am investigating Penrite 10 Tenths racing coolant...anything less slippery would be an improvement. I mean it just has to stay in the bloody engine. Running cooler thermostat and good water pump (thanks Mario) and good radiator should mean the theoretical pressurised boiling point of OAT 50/50 at 125-130c is not required...

    Cheers
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  2. 8th January 2017, 09:05 PM #72
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    This is what 22,000k of slow driving in Hong Kong does. I just started using Decarbonizer...

    Cheers 20170104_101543.jpg20170104_101538.jpg20170104_094055.jpg
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  3. 9th January 2017, 06:29 AM #73
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    Pedro_The_Swift is offline The MOD Father
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    was it really that white?
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  4. 9th January 2017, 06:56 AM #74
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    Better pics of exhaust valves...Cheers
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  5. 10th January 2017, 08:48 AM #75
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    Heads nice and hard and valves sealing well. No cracks. They are replacing the stem seals and dressing the deck...back today.

    I have settled on Elring stock gaskets.

    Cheers
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  6. 10th January 2017, 01:01 PM #76
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    I don't want to touch plugs and leads again for 100k...so this is the answer. Cheers 20170110_125838.jpg
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  7. 10th January 2017, 02:35 PM #77
    sharmy
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    I am not into v8 petrols so I am probably posting something which is common knowledge but you never know. When working for Leyland trucks in the 70s the terrier light truck had a de-rated P76 v8,when replacing heads the mechanics would bolt down one head first then fit the valley cover to both heads before bolting down the second one, this stopped leaks and they stated this was the same in the rover motors
    John
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  8. 10th January 2017, 06:17 PM #78
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    Thanks John.

    OK...shiny and the blue things are the new valve stem seals...giddy up..

    20170110_180511.jpg20170110_180406.jpg
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  9. 11th January 2017, 06:36 AM #79
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    very nice.
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  10. 11th January 2017, 08:16 AM #80
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    Thanks Pedro. Work is getting in the way of (clean not greasy this time) fun! Going to grab some Three Bond red RTV and a new exhaust bolt and start assembly on Thursday or Friday. Cheers
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