will a 1966 diff bolt into a 1969 fastback?

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Author Topic: will a 1966 diff bolt into a 1969 fastback?  (Read 1915 times)

Offline wildplum

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wildplum
will a 1966 diff bolt into a 1969 fastback?
« on: April 20, 2014, 03:37:34 pm »
hello
im wondering if the spring saddle width on a 1969 is the same as a 1966
I think the diff overall length is wider on a '69 but if the spring saddle width is the same
then it would bolt in?
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2/73. JG33 KWTB
8/1969 63C S5 Mach1
6/1965 76B 8B94

Offline ScottW

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ScottW
Re: will a 1966 diff bolt into a 1969 fastback?
« Reply #1 on: April 20, 2014, 03:54:55 pm »
You'd need custom wheels due to the crazy -ve offset you'd need.
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Offline wildplum

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wildplum
Re: will a 1966 diff bolt into a 1969 fastback?
« Reply #2 on: April 20, 2014, 03:56:54 pm »
yes I realise that Scott  its more the concern if it will bolt straight in or would the saddles need to be re located
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2/73. JG33 KWTB
8/1969 63C S5 Mach1
6/1965 76B 8B94

Offline big al

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big al
Re: will a 1966 diff bolt into a 1969 fastback?
« Reply #3 on: April 20, 2014, 05:12:46 pm »
You will need to use the 65-66 saddles and U bolts also.
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Offline GLENN 70

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GLENN 70
Re: will a 1966 diff bolt into a 1969 fastback?
« Reply #4 on: April 20, 2014, 06:09:44 pm »
As said above ,they just bolt in .But remember they are 2 inches narrower 57 1/4 inches compared to 59 1/4 inches ,so your wheels will need a nice outside dish .
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Offline shaunp

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shaunp
Re: will a 1966 diff bolt into a 1969 fastback?
« Reply #5 on: April 21, 2014, 08:07:58 pm »
Got a Versailles 9" disc rear here would be a closer fit I think.
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Offline yamahore

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yamahore
Re: will a 1966 diff bolt into a 1969 fastback?
« Reply #6 on: April 21, 2014, 10:24:01 pm »
Dish is good  :grin:
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