Suspension bushing update | FerrariChat

Suspension bushing update

Discussion in '308/328' started by Dockboy, Dec 1, 2022.

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  1. Dockboy

    Dockboy Formula Junior
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    May 11, 2013
    340
    Maryland
    #1 Dockboy, Dec 1, 2022
    Last edited: Dec 1, 2022
    I am in the process of refurbing the suspension on a '77 GTB.

    I read numerous threads on the whole process and the various ways people were pressing the bushings out after grinding the welds. RobzWorkz way of cock-eyed in a vise and a hammer, people burning the guts out, etc..

    Well, I am replacing all the shock bushings also, so to make life easier for that I ordered Hill Engineering's 42mm press tool. https://www.hillengineering.co.uk/tools/bush-extractors/brt-02

    Fiddling around getting ready to tackle pressing out the A-arm bushings, I grabbed the press tool and Wala! The base of the tool fits perfectly over the bushing spacer and HE also mills a flat spot on it that lets it clear the cross member! A socket and a vise and they press right out with no effort at all!

    Kudos to Hill Engineering! I highly recommend getting the press tool if you are tackling this job.

    Just thought I would pass this along as I had not seen or heard of it in any of my research.

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  2. Brian A

    Brian A F1 Rookie

    Dec 21, 2012
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    1983 US 308 GTS QV
    Very nice.

    I made a similar tool out of galvanized iron gas pipe union. It was a lot of grinding and fitting to get it to fit. IIRC one of the rear bushings is right up against the a-arm.

    It now circulates around friends here in the SF Bay Area. I believe “Black Horse” has just passed it on to someone else.
     
    BLACK HORSE and Basal Skull like this.
  3. dwhite

    dwhite F1 Rookie

    Regardless of how you change them, you will love the end result which is a new car feel.
     
    waymar likes this.
  4. Basal Skull

    Basal Skull Formula Junior
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    Oct 26, 2010
    425
    Vancouver BC
    Awesome.. I’ve done the bushings on two of my cars and made a similar tool too but used a large socket that I sacrificed and ground down one side


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  5. BLACK HORSE

    BLACK HORSE Formula 3
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    And one more thing to add when pushing out the old bushings.... a cheater bar is required and its highly recommended to use a large industrial vise... Don't be surprise after pushing out all 16 bushing that your vise doesn't operate normally afterwards... It's a workout for both you and your vise!!!!
     
  6. thorn

    thorn F1 Rookie
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    Aug 7, 2012
    3,322
    Tallahassee, FL
    Or, just find someone with a press.
     
  7. gcalex

    gcalex Formula Junior
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    Aug 16, 2010
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    You will need a very serious-quality press to get the same precision as a modest-quality vice.

    I bought a modest-quality press (not a super cheap one), and there was still too much slop in the mechanism.

    I do still use the press for a variety of things, but if I can use the vice, that is the tool I prefer...
     
  8. Brian A

    Brian A F1 Rookie

    Dec 21, 2012
    3,086
    SanFrancisco BayArea
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    1983 US 308 GTS QV
    I tried BLACK HORSE’s hydraulic press but reverted back to my bench vice. It is impossible to “feel” whether or not you’ve got things aligned and moving with a press.
     
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