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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Chassis Tech Forum -> A little rear end help please!!!
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grande jim


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A little rear end help please!!!
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I stripped the body off the 4 door frame and noticed that there are 2 support bars on the top of the diff that go to the frame and.....the other parts car I have only has one. So my question is...Whats the difference? and why?  And buy the way this is the nicest frame I have ever seen and I will be using it for my 2 door restoration!!

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427carl


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Mine had 2   1966 

1966 4 door 034.jpg

1966 4 door 031.jpg

1966 4 door 032.jpg

1966 4 door 033.jpg





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67Poncho


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 We had a discussion on this a ways back... The single upper arm diff is no doubt a 10 bolt? Just an option they use to do... The holes will be in the frame for the other arm.


 I have a couple of '67 Grandes here with the same thing........ Just an option and lighter suspension thing I believe...

-- Edited by 67Poncho on Sunday 17th of October 2010 07:38:42 PM

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Vincent Jr.
4SPEED427


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Yes, I learned that here too. Heavy duty and light duty suspension.

Am I correct in remembering that it's possible to have 2 upper arms with a 10 bolt if it has HD suspension?

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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
67Poncho


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My 4dr '7 Grande had 4 arms on the 10 bolt... then it went scarey and I installed a 12 bolt...

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Vincent Jr.
grande jim


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Thanks guy's!! I'm thinking thats why the 4 door seemed to handle better than my 2 door?

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427carl


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my car was 6 cyl  'glide   12 bolt  2 arms

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grande jim


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427carl wrote:

my car was 6 cyl  'glide   12 bolt  2 arms


Ya...Carl.... but the Factory guy's heard about you!! and knew you were going to stuff a big block in it sooner or later so they were prepairing the poor car in advance.

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65wagon


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it didnt matter on the power plant the two bars 10 or 12 were only for the heavy duty 65 and up

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