Ferrari 400/412 Throttle Body Spring Measurement. | FerrariChat
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Ferrari 400/412 Throttle Body Spring Measurement.

Discussion in '365 GT4 2+2/400/412' started by 360modena2003, May 17, 2022.

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  1. 360modena2003

    360modena2003 Formula 3

    Jul 11, 2009
    2,437
    #1 360modena2003, May 17, 2022
    Hello,

    the shop has misplaced the small spring (there are two: large and smaller one) on my throttle body.

    Could someone take a picture with measurements of the smaller spring (diameter and length), so I can get one from a local hardware store.

    Thank you


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  2. blkprlz

    blkprlz Formula 3

    Mar 24, 2007
    2,169
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    Bruce
    #2 blkprlz, May 18, 2022
    Looks like 2-3/8” overall, spring section alone is 1-1/4” X 7/16” diameter. Believe it or not, without this spring, the return force of the other spring is softer than with both of them on.
    Another measurement that’s important is with it weighted, I have to round up something of exact known weight and measure, will reply back shortly.
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  3. blkprlz

    blkprlz Formula 3

    Mar 24, 2007
    2,169
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    Bruce
    #3 blkprlz, May 18, 2022
    Was able to gather up a couple bags of 12 oz. vegetables (24 oz./ 1-1/2 lbs./.68 kg total).
    The spring length increased from 1” to 1-7/8”.
     
  4. 360modena2003

    360modena2003 Formula 3

    Jul 11, 2009
    2,437
    #4 360modena2003, May 18, 2022
    Great, thank you very much.

    So 60mm length and 11mm diameter.

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  5. blkprlz

    blkprlz Formula 3

    Mar 24, 2007
    2,169
    Tampa bay
    Full Name:
    Bruce
    #5 blkprlz, May 19, 2022
    Yup! YW
     

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