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Re: Re: Re[2]: 3.9 rear so what to use??

To: "Jim Johnson" <bmwwxman@gmail.com>
Subject: Re: Re: Re[2]: 3.9 rear so what to use??
From: "charlie shelden" <shelden3@pldi.net>
Date: Tue, 15 May 2007 12:37:18 -0500 (CDT)
Following this thread closely. I have my BE with original rear end, and
another one as spare, not sure what it is just yet.  I'm going to put a
1275 in the BE with 5 speed.  So what is the advantage/disadvantage to
changing?

Thanks,
Charlie


> My early 68 1275 also appears to have the original diffy which is a
> 4.22...   As I mentioned to Brad concerning other parts for these
> cars, I believe they used up whatever was in the parts bins before
> starting changes. They wouldn't have thrown out a bunch of 4.22 difs
> just because they had a new batch of 3.9s....
>
> Cheers!!
> Jim - 68 Midget in Dodge City
>
> On 5/15/07, David Lieb <dbl@chicagolandmgclub.com> wrote:
>> > Weren't the 4.22 standard issue on the A series cars. And the 3.9
>> started
>> > with the Spitfiget? The 3.7 was late 78 to end of production, IIRC.
>>
>> >> No. The 3.9 came in with the 1275 engines. The 3.7 came in August of
>> 1977
>> >> to end of production.
>>
>> >>> The 1967 1275 Sprites and Midgets had the 4.22 gears. The 3.9
>> started
>> >>> with the 68s if I remember correctly.




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