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Thread: Advice on aluminum rear trailing arms

  1. #1

    Advice on aluminum rear trailing arms

    This winter I plan to go through my 72T suspension - elephant racing rubber bushings, Turbo tie rods, powder coat A arms. On the rear, plan is to swap original trailing arms for 77SC alloy (with balljoint for sway bar) and change spring plates to 78SC adjustable type. I have Wevo EZ pins for the trailing arms mount, and plan to cut old bolts. Looking for project advice in general, and any info on areas of difficulty / things to watch out for on this project. Should the trailing arms be a direct clean swap, or should I expect clearance problems on a 72T with original narrow fenders? Thanks in advance!

  2. #2
    The aluminum arms should be a direct swap, no track width change. I hope you have a reciprocating saw to cut those bolts. Make sure you measure your current spring plate angle before removing them. Angle is measured with spring plate completely free.
    Early S Registry member #90
    R Gruppe member #138
    Fort Worth Tx.

  3. #3
    Thanks Ed. Sawzall at the ready.

  4. #4
    Senior Member
    Join Date
    Jul 2006
    Location
    Corvallis, OR
    Posts
    2,547
    I started to cut some TA bolts on a 72 but it was such a pain and way too easy to cause damage to everything adjacent to the bolts that I just dropped the engine and transmission to in install the EZ pins.
    72S, 72T now ST

  5. #5
    You should enjoy the added negative camber as well…
    Peter Kane

    '72 911S Targa
    Message Board Co-Moderator - Early 911S Registry #100

  6. #6
    Senior Member
    Join Date
    Oct 2010
    Location
    Southern Ca.
    Posts
    1,166
    I'm with Longballa , just remove the engine and transaxle . That's my advice .

  7. #7
    A three or four inch cutoff wheel on an angle grinder may give you more control than a reciprocating saw.
    1969 911S
    1969 Datsun 2000...worth less, but more valuable

  8. #8
    Thanks for the great advice.

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