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Thread: Chassis bushes. 30 mm ?

  1. #1
    Kimsl70 is offline Fossicker Gold Subscriber
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    Adelaide
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    Chassis bushes. 30 mm ?

    Hello all,

    Iíve removed my old chassis bushes, upon going to install the new ones (not polybushes) Iíve discovered the chassis opening for the bush is closer to 27mm. The new bushes are 30mm. Iíve measured it with a micrometer to confirm.

    My questions are;
    A. Did the early series 2 have different bush sizes ? Or have I inadvertently ordered/received the wrong bushes ?
    B. Have I stuffed up and only removed the inner sleeve and bushing of the old bushes ?, and do I now need to carbon tungsten de-burr the hole the outstanding 3 mm ?
    C. Polybushes? Anyone have any horror tails ? Or should I bite the bullet and just get them ?

    Thanks in advance for any help

    Cheers
    Kim

    'Maggie' 1960 Series 2 88, 2.25 Petrol 3MB

  2. #2
    Join Date
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    Quote Originally Posted by Kimsl70 View Post
    B. Have I stuffed up and only removed the inner sleeve and bushing of the old bushes ?

    Cheers
    Dunno, have you? Chassis bushes.  30 mm ?Chassis bushes.  30 mm ? how many steel sleeves did you pull out? After getting the inner case out then removing the rubber, did you pull the outer case out?
    If not you have to make a relief cut with a hacksaw then punch and hammer the sleeve out, you can make more than 1 cut to make it easier but be carful not to cut the chassis!
    Cheers Jim

  3. #3
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    Quote Originally Posted by Kimsl70 View Post
    Hello all,

    Iíve removed my old chassis bushes, upon going to install the new ones (not polybushes) Iíve discovered the chassis opening for the bush is closer to 27mm. The new bushes are 30mm. Iíve measured it with a micrometer to confirm.

    My questions are;
    A. Did the early series 2 have different bush sizes ? Or have I inadvertently ordered/received the wrong bushes ?
    B. Have I stuffed up and only removed the inner sleeve and bushing of the old bushes ?, and do I now need to carbon tungsten de-burr the hole the outstanding 3 mm ?
    C. Polybushes? Anyone have any horror tails ? Or should I bite the bullet and just get them ?

    Thanks in advance for any help

    Cheers
    hi i have them here will meaure for jim
    Russell Rovers
    Series I Parts Specialists
    russellrovers AT gmail.com
    Phone 0428732001

  4. #4
    Kimsl70 is offline Fossicker Gold Subscriber
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    Location
    Adelaide
    Posts
    38
    Quote Originally Posted by russellrovers View Post
    hi i have them here will meaure for jim
    Thank you. I appreciate it. Itís doing my head in.
    Kim

    'Maggie' 1960 Series 2 88, 2.25 Petrol 3MB

  5. #5
    Join Date
    Jun 2009
    Location
    australia
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    Quote Originally Posted by Kimsl70 View Post
    Thank you. I appreciate it. Itís doing my head in.
    just checked 30 mm jim
    Russell Rovers
    Series I Parts Specialists
    russellrovers AT gmail.com
    Phone 0428732001

  6. #6
    Kimsl70 is offline Fossicker Gold Subscriber
    Join Date
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    Quote Originally Posted by russellrovers View Post
    just checked 30 mm jim
    Cheers. I guess thatís more grinding out for me. I really appreciate you taking the time to measure that.
    Kim

    'Maggie' 1960 Series 2 88, 2.25 Petrol 3MB

  7. #7
    Join Date
    Jun 2018
    Location
    Melbourne
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    969
    Quote Originally Posted by Kimsl70 View Post
    Hello all,

    Iíve removed my old chassis bushes, upon going to install the new ones (not polybushes) Iíve discovered the chassis opening for the bush is closer to 27mm. The new bushes are 30mm. Iíve measured it with a micrometer to confirm.

    My questions are;
    A. Did the early series 2 have different bush sizes ? Or have I inadvertently ordered/received the wrong bushes ?
    B. Have I stuffed up and only removed the inner sleeve and bushing of the old bushes ?, and do I now need to carbon tungsten de-burr the hole the outstanding 3 mm ?
    C. Polybushes? Anyone have any horror tails ? Or should I bite the bullet and just get them ?

    Thanks in advance for any help

    Cheers
    Hope this helps ya Chassis bushes.  30 mm ?

  8. #8
    Join Date
    Apr 2014
    Location
    Blair Athol, Adelaide South Aust.
    Posts
    2,410
    As u can see from this pic of 2 broken front springs the bushes have 3 parts. A steel inner tube or spacer. A rubber insulator, and a steel outer tube. I suspect u have removed the rubber and inner spacer and havent removed the steel outer tube from the spring or chassis. The holes in the spring and chassis are approx 30mm +/- a few thousands of an inch. If ur holes are 27 mm then thats about the size of the inner diameter of the outer steel tube. After u have replaced the spring bushes in the springs and chassis, (chassis bushes are hardest to do), dont forget to leave the bolts loose until the weight of the vehicle is on the springs. Bounce it up n down a few times and then, with the weight still on the springs, tighten the bushes, or they will fail very quickly and u'll have to do em again.

    Cheers Rod

    Ps...only pic i could find. I have others somewhere but not on my phone...Chassis bushes.  30 mm ?
    Cheers, Rod


    BETSY
    1967 Series 2a. 109 4 cyl petrol, Fairey o/drive, Athol Hedges roof.
    Currently undergoing rebuild.
    Will have-- soft top, 4 wheel disc brakes, salisbury rear diff, military colour, 12 pin nato socket, dual pintle hitch....

    1975 Series 3. 109 6cyl 186, 5 speed Nissan cabstar gearbox, mechanical winch, roo bar, kings awning, 50" light bar, roof rack, twin 6"light bars, kings awning tent.

    1969 NO. 5 trailer. ARN 176 464. soft top.

  9. #9
    Kimsl70 is offline Fossicker Gold Subscriber
    Join Date
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    Quote Originally Posted by 67hardtop View Post
    As u can see from this pic of 2 broken front springs the bushes have 3 parts. A steel inner tube or spacer. A rubber insulator, and a steel outer tube. I suspect u have removed the rubber and inner spacer and havent removed the steel outer tube from the spring or chassis. The holes in the spring and chassis are approx 30mm +/- a few thousands of an inch. If ur holes are 27 mm then thats about the size of the inner diameter of the outer steel tube. After u have replaced the spring bushes in the springs and chassis, (chassis bushes are hardest to do), dont forget to leave the bolts loose until the weight of the vehicle is on the springs. Bounce it up n down a few times and then, with the weight still on the springs, tighten the bushes, or they will fail very quickly and u'll have to do em again.

    Cheers Rod

    Ps...only pic i could find. I have others somewhere but not on my phone...Chassis bushes.  30 mm ?
    Thanks Rod. I really appreciate the reply. I think Iíve inadvertently left the outer sleeves in. So itís back to grinding for me.
    Kim

    'Maggie' 1960 Series 2 88, 2.25 Petrol 3MB

  10. #10
    Join Date
    Apr 2014
    Location
    Blair Athol, Adelaide South Aust.
    Posts
    2,410
    Quote Originally Posted by Kimsl70 View Post
    Thanks Rod. I really appreciate the reply. I think Iíve inadvertently left the outer sleeves in. So itís back to grinding for me.
    Fitting them in the chassis is the fun part. Clean out the hole with a flappy sanding disc roller. But dont take too much metal out. Fitting bushes in the spring is easy coz the spring is split and will spread open a bit when they are fitted. The chassis wont at all. Really good fun. I know.Chassis bushes.  30 mm ? Chassis bushes.  30 mm ?
    Cheers, Rod


    BETSY
    1967 Series 2a. 109 4 cyl petrol, Fairey o/drive, Athol Hedges roof.
    Currently undergoing rebuild.
    Will have-- soft top, 4 wheel disc brakes, salisbury rear diff, military colour, 12 pin nato socket, dual pintle hitch....

    1975 Series 3. 109 6cyl 186, 5 speed Nissan cabstar gearbox, mechanical winch, roo bar, kings awning, 50" light bar, roof rack, twin 6"light bars, kings awning tent.

    1969 NO. 5 trailer. ARN 176 464. soft top.

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