308 GT4: Summer/Winter Switch? | FerrariChat

308 GT4: Summer/Winter Switch?

Discussion in '308/328' started by dyerhaus, Aug 22, 2022.

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  1. dyerhaus

    dyerhaus Formula Junior
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    Christopher Dyer
    #1 dyerhaus, Aug 22, 2022
    Can anyone tell me what this "Summer/Winter" switch is, what the "Est." and "Inv" is, and what setting it should be on and when? I just discovered this switch, and I can't seem to locate anything about it anywhere.

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  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    Steve Magnusson
    #2 Steve Magnusson, Aug 22, 2022
    Last edited: Aug 22, 2022
    You need to think in Italian :)

    Summer = Estate
    Winter = Inverno

    It's an air flap gizmo that reduces/blocks airflow thru the oil cooler in the winter (to get the oil warmer/faster). See Section 3, "engine lubrication", in the US 308GT4 OM. Only used on the US version:

    https://www.ferrariparts.co.uk/diagram/ferrari/308-gt4-dino-1976/015-lubrication-system

    (Although it's strange that the picture of the US part on the MC website is the euro part without the flap - unless that's just reflecting that the US part is superceded to the euro part.)
     
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  3. dyerhaus

    dyerhaus Formula Junior
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    #3 dyerhaus, Aug 22, 2022
    Thank you! Someone pointed that out to me at a show last week, but he was fairly soft-spoken so I didn't catch what he said. So I tried looking it up but couldn't find anything. I'll look in the manual now that I know where to find it. It's one of those things I feel like I should have known about!
     
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  4. FiatRN

    FiatRN Formula Junior

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    Jonathan Drout
    #4 FiatRN, Aug 22, 2022
    You live San Jose. I can't see you ever needing to move that switch in San Jose.
     
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  5. dino1971

    dino1971 Karting
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    #5 dino1971, Aug 23, 2022
    Steve is spot on with his Italian! I also have this on my Euro GT4 delivered to France in 76, so I don't think that it was specific to the US models.
     
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  6. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    Steve Magnusson
    #6 Steve Magnusson, Aug 23, 2022
    I posted that just based on the F documentation -- it's not shown in the euro 308GT4 OM, and the 308GT4 SPC says it's "US" (and there's a different part number for standard/euro part). That said, it surprises me, too, as it's not like there are cold climate areas in the US and none in Europe.
     
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