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Labor time on suspension bushes

Discussion in '365 GT4 2+2/400/412' started by jacques, Mar 23, 2009.

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  1. jacques

    jacques Formula Junior

    May 23, 2006
    877
    Los Angeles/Florida
    #1 jacques, Mar 23, 2009
    I'm considering changing out all of the old suspension bushings on my 1980Ser.1400i #28903 with none of the hydrolic rear shocks..My question is..(approximately) how many man -hours would an experienced mechanic/shop expect to encounter..I mean one that has done this very proceedure before..I'm not at all interested in some clown learning o.j.t...at my expense..we've ALL been to that BBQ..thank you all sooo much for your help in this matter..Jacques.
     
  2. ricar116

    ricar116 Formula Junior

    Aug 2, 2005
    409
    Bolivar, Missouri
    Full Name:
    Rick Carr
    #2 ricar116, Mar 24, 2009
    This clown (me) couldn't get the rear inner upper and lowers without removing the rear dif and torque tube and everything else.
    Rick
     
  3. rebirthauto

    rebirthauto Karting

    Mar 25, 2007
    161
    Saint Petersburg, FL
    Full Name:
    Sebastien
    #3 rebirthauto, Mar 25, 2009
    Jacques,
    Is this for your Florida car? If so PM me.

    Sebastien
     
  4. Ashman

    Ashman Three Time F1 World Champ
    Owner Silver Subscribed

    Sep 5, 2002
    33,264
    MA
    Full Name:
    John
    #4 Ashman, Mar 27, 2009
    One of the 400i cars that I looked at in 1998 had lots of records from Intrepid Motors in Reno, NV, a fairly well-known shop owned by Bert Skidmore.

    Here are the labor hours he charged for a front suspension rebuild:

    Remove front control arms, shocks and rotors: 4.5 hours

    Remove control arm bushings and ball joints, replace with new parts: 3.5 hours

    Install shocks, R&R springs, control arm bushings, pack front wheel bearings: 6.5 hours

    So it looks basically like 14.5 hours for the front end. Not sure what the rear end would be.

    HTH
     
  5. jacques

    jacques Formula Junior

    May 23, 2006
    877
    Los Angeles/Florida
    #5 jacques, Mar 27, 2009
    Thank you sooo much...these figures are probably agreat place to start..Jacques..yes my car is in Florida..Gulf Coast..Redington Shores.
     
  6. SCousineau

    SCousineau Guest

    Jul 17, 2004
    3,652
    Full Name:
    S Cousineau
    #6 SCousineau, Mar 28, 2009
    I did the front bushing on my 1982 400i two springs ago. It took me after work for a couple weeks. Call it eight days at about two and half hours a stint for 20 hours. -steve
     
  7. jacques

    jacques Formula Junior

    May 23, 2006
    877
    Los Angeles/Florida
    #7 jacques, Mar 30, 2009
    When you replaced your bushings, where did you buy them and do you still have the old ones..If you do, I think that I can source after-market ones in both rubber and poly if you could spare a set of the old ones so that I can mic them with my source..this may be of help to others in future...I have
    the time and would be happy to do this for other parts as well... both front an rear sets would help..I hope that this would be of some value...research really is my "long-suit"..thanks Jacques.
     
  8. SCousineau

    SCousineau Guest

    Jul 17, 2004
    3,652
    Full Name:
    S Cousineau
    #8 SCousineau, Mar 30, 2009
    My old bushings were really bad--Not recoverable. Replacements came from
    T. Rutland at what I recall was an acceptable price. -steve
     
  9. SouthJersey400i

    SouthJersey400i Formula 3

    Mar 14, 2007
    1,679
    Romulus, NY (Finger Lakes)
    Full Name:
    Ken Battle
    #9 SouthJersey400i, Mar 31, 2009
    Jacques
    Lower bushings are pretty conventional in front and rear and might be replaceable with poly or custom made with rubber. Actually the lowers are not well made as the center sleeve is just flared to hold the end washers on. They can pop off if not installed carefully.

    The front uppers are quite special. They are virtually all metal with both rotational "bearings" and thrust plate. There is no rubber give to be improved upon. The entire assembly does not need to be replaced when worn, actually only one part wears plus the two rubber dust seals. My thrust washers were still good but since I ordered them I replace them and kept the old ones.
    Ken
     

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