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Canadian Poncho Homepage -> Canadian Poncho -> 1970 + Canadian Pontiac Power Train Forum -> mid 70's GM cars 8.5 posi diff differences
Post Info TOPIC: mid 70's GM cars 8.5 posi diff differences
pontorquer


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mid 70's GM cars 8.5 posi diff differences
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I was just curious to know what's better between a "Corporation type" safe-T-trac or "Eaton type" I have a Corporation type in my 1973 and 75 Pontiac Grand Am, also can it be changed to a Eaton type or the housing is different for the axles...

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timbuk


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look for this site-IWE rearends only..... sorry no link.....a good one

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http://canadianponcho.activeboard.com/t51640378/timbuks-first-invader/ http://canadianponcho.activeboard.com/t63146560/timbuks-second-invader/  vancouver island
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4SPEED427


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http://www.iwerearendsonly.com/

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
pontorquer


Poncho Master!

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Thanks, I didn't  find the info I was looking for there but found it in another forum and they say the Corporate (bolt in axles) is better than the Eaton ( c clip axles) type Safe T trac, too bad they don't sell these posi units new anymore ?

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Beaumont4008


Uber Guru

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I got the same bolt in axles 8.5 dif adapted to my Beaumont out of a 76 buick. Also get 11 in. drums instead of the 9.5 the beaumont came with. Now I have 11 in. Disk in front and 11 in. drums rear.

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