What gm posi will fit under my 61 Special

Discussion in 'Got gears?' started by 61special, Dec 23, 2008.

  1. 61special

    61special Member

    Does anybody know what rearend would fit in my 61 special? I have installed a 72 350 four barrel with a th350 trans I used the driveshaft out of my buddys 64 olds f85. Now I need posi. Can anyone help?
     
  2. Ratz

    Ratz Well-Known Member

    I put a 69 Chevelle 8.2 10 bolt in,I had to modify upper and lower control arms.Its a little wider ,but I have 8 in rims on w/6 in backspacing and they dont stick out at all.

    Mark Ratzmann 1961 Special wagon 455
     
  3. monzaz

    monzaz Jim

    Yes, your biggest problem is the upper control arms. the width is usually not a problem with after market rims and the 4 lug axles will have to go also. Jim

    Th epinion offset is slightly different too.
     
  4. 61special

    61special Member

    Do you know of a rearend thats smaller and that would fit better?
     
  5. Hector

    Hector '79 Buick Limited

    '62-'67 Novas?:Do No:
     
  6. monzaz

    monzaz Jim

    You need some sort of upper control arm set-up maybe a G-body might work like 78-87 GM cars. Monte malibu regal etc. Jim
     
  7. D-Con

    D-Con Kills Rats and Mice

    How about some pics of that car, and maybe a buildup outline of all the modifications?
     
  8. Ratz

    Ratz Well-Known Member

    If you search 455 wagon,I have some pictures,also a link to you tube,I cant get the links to work.


    Mark Ratzmann
    1961 Special wagon 455
     
  9. D-Con

    D-Con Kills Rats and Mice

    OK, I found it. Looks fun, and loud! What's the trans tunnel look like now?
     
  10. Ratz

    Ratz Well-Known Member

    I put a 4 spd behind the 455,the tunnel is alot bigger than stock,I had to switch to buckets,but the wow factor is great.



    Mark Ratzmann
    1961 Special wagon 455
     

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