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Thread: new 3.9 going but one small leak

  1. 15th July 2010, 12:52 AM #1
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    coops71
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    new 3.9 going but one small leak

    Ive finally got my 3.9 serpentine setup in my 110. Port matched exhaust and inlet. Compression around 9:1. Piper Torquemax cam. 500 Edelbrock carb and Edelbrock performer manifold. Ported to specs recommended by Hammill. Hedman headers then 2.5 inch from there on with Supercat sportyish exhaust.Used ARP head studs etc etc. Started for the first time (LPG to start with) within 3 seconds to my amazement. Using Penrite running in oil at 2000-2500rpm for 20 mins. Sounds awesome. Oil pressure was up quickly. Now I have the problem that I blanked off the oil cooler inlet and outlets near the pump with correct size blanking bolts but one has started leaking at about 100mL per min. I sprayed the bolts with Hylomar blue stuff before threading in but it has not sealed. Not a big fan of too much silicone but Im thinking Permatex grey would be better to place on threads? Its only temporary until I get an oil cooler sorted. Any other ideas?
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  2. 15th July 2010, 12:56 AM #2
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    Forgot to say that the block was already run in but the cam was new.
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  3. 15th July 2010, 09:27 AM #3
    stage one
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    Loctite 569 hydraulic thread sealant works really well. I know people won't like this, but I try to stay away from silicone and its multiy colour buddies.
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  4. 15th July 2010, 04:58 PM #4
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    Solved it. Went to Loadtek and was given 2 proper hydraulic plugs with O rings and a couple of Dowdy washers as a possible alternative. A heap of plumbers tape and all is fine.
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  5. 15th July 2010, 09:10 PM #5
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    If your not using the cooling adaptor, just take it off and screw the filter straight to the block, it's the same size thread and size.

    Cheers

    Andrew
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  6. 15th July 2010, 09:54 PM #6
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    Quote Originally Posted by LOVEMYRANGIE View Post
    If your not using the cooling adaptor, just take it off and screw the filter straight to the block, it's the same size thread and size.

    Cheers

    Andrew
    Andrew, Serp engines have oil cooler lines in and out of timing case. HAve come across this problem before when fitting serp front to early 2 door and just ended up fitting oil cooler, it was easier

    JC
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  7. 16th July 2010, 12:43 AM #7
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    Quote Originally Posted by justinc View Post
    Andrew, Serp engines have oil cooler lines in and out of timing case. HAve come across this problem before when fitting serp front to early 2 door and just ended up fitting oil cooler, it was easier

    JC
    Was not a problem once I had the proper length blanks, O rings and tape.
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