L Model Oil Pressure Gauge | FerrariChat

L Model Oil Pressure Gauge

Discussion in '206/246' started by sranderson, Jan 13, 2023.

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  1. sranderson

    sranderson Formula Junior

    Nov 15, 2003
    286
    Full Name:
    SRA
    Hello Everyone,

    The L Model uses the 206 sending unit and gauge which is unreliable. I have had my gauge professionally rebuilt and have replaced the sending unit a few times. It still reads low. I have put a mechanical gauge on the engine and do have proper pressure. I seem to remember a thread where as L model owners were replacing the sending unit and gauge with M & E models because they were more accurate. I cant find that thread. Is the M & E setup better?

    Thanks,

    Steve
     
  2. pshoejberg

    pshoejberg Formula 3
    Silver Subscribed

    Dec 22, 2007
    1,822
    Denmark
    Full Name:
    Peter H
    My L-series pressure gauge have never let me down. It's a simple construction build and designed like must other engine pressure sensor systems of those days. I don't care much about the actual reading, not really interesting - I monitor the trend. Most modern cars don't have a pressure display system, but just a warning light. What i'm saying is maybe you don't have a problem?

    Best, Peter
     
  3. sranderson

    sranderson Formula Junior

    Nov 15, 2003
    286
    Full Name:
    SRA

    Hello Peter,

    Thank you for the reply.

    I always monitor oil pressure on my cars when driving, its the blood pressure of the vehicle. Besides I don't like when something isn't functioning properly. Somewhere on the Fchat site I remember reading a remedy for the problem.

    Thanks

    Steve
     
  4. pshoejberg

    pshoejberg Formula 3
    Silver Subscribed

    Dec 22, 2007
    1,822
    Denmark
    Full Name:
    Peter H
    I also monitor my pressure gauges for any changes or indication of abnormalities if you will. And this is good enough as long as you can relate the reading to your "real" engine pressure measured with a proven instrument after engine overhaul. I love the un-dampened simple gauge behaviour with the needle jumping up and down when going from idle up and I'm perfectly aware that accuracy / tolerance is high. It's the dna of these +53 years old cars and this is how they have been behaving from new.

    If you had your gauge rebuild there is a risk that the specifications have been altered making it difficult to find a sensor with a specific resistance that fits your "new" gauge. Maybe you can try to fine adjust your readout by implementing some resistors. Corbani played around with his sensor in order to obtain a specific reading:

    Dino Saga 060903___Oil Pressure Gauge | FerrariChat

    You can find a lot of more gauge info if you search "Pressure" in the 206/246 section.

    Best, Peter
     
  5. sranderson

    sranderson Formula Junior

    Nov 15, 2003
    286
    Full Name:
    SRA
    Hello Peter,

    Coincidentally, I was thinking it may have been one of John's posts.

    That's the one I was looking for. Thank you for sending.

    Steve
     

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