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Starting the 360 - Concerned about oil pressure

Discussion in 'Technical Q&A' started by Mickster, Jun 11, 2018.

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  1. Mickster

    Mickster Formula Junior
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    Mikael Andersson
    #1 Mickster, Jun 11, 2018
    I have during the last two years been working on my 360 and now finally I’m getting ready to start her up.

    A few months back I drained the old oil during a few days and even emptied the oil cooler as I want fresh oil in the engine. So engine was completly dry...
    Then filled up same amount as drained and thought all was fine.

    Issue is: During wet comp test I noticed that no oil is squirting around the cams.

    I’ve had the same issue on an old BMW I was working on and back then I was told to backfill the oil pump by unscrewing the oil filter housing and pouring oil straight into the pump. Worked just fine.

    Will that work for the 360 engine as well? Dry sump / Wet sump....
     
  2. tbakowsky

    tbakowsky F1 World Champ
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    Howie Felterbum
    #2 tbakowsky, Jun 12, 2018
    Remove fuel pump fuses, disable ignition coils (just unplug them) put a good battery charger on it and crank the engine over. Watch the oil pressure gauge. Once she starts moving off the peg, plug everything in and fire it up. Don' crank the engine continually for any longer then 15 seconds, or you could burn out the starter.
     
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  3. Mickster

    Mickster Formula Junior
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    #3 Mickster, Jun 13, 2018
    Thank’s a lot for the tip! Will try that!
     
  4. MerlinTech

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    #4 MerlinTech, Jun 13, 2018
    You can also use a remote start button and connect it to the exciter wire on the starter and the hot post on the starter. That way you can spin the motor with the ignition switch turned off and not have to disable anything.
     
  5. wrxmike

    wrxmike F1 Rookie
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    #5 wrxmike, Jun 13, 2018
    A cheap & simple pre-oiler can be made using a converted garden pressure sprayer, the type with a manual pump, cost around 10 bucks. Remove the spray lance and fit a threaded plug to the pressure hose that matches your oil pressure sender switch. Connect it up, put some oil in the pressure sprayer and pressurise it. Typically you can pump it up to around 15 psi before the safety valve pops, that's enough to pre oil an engine. Image Unavailable, Please Login
     
  6. vincep99

    vincep99 Formula 3
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    #6 vincep99, Jun 13, 2018
    wrxmike,
    Great idea!
     
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  7. tbakowsky

    tbakowsky F1 World Champ
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    Howie Felterbum
    #7 tbakowsky, Jun 13, 2018
    Certainly could also do that..however if you wanted to watch the oil pressure gauge on the dash, they key would need to be on.
     

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