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Q on New Yorker 1969 engine, trans, diff.

Old 04-02-2019, 03:30 PM
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Q on New Yorker 1969 engine, trans, diff.

Is the 69 RB440 a good engine to build up for mild-moderate performance? I have a 69 New Yorker I want to put the
engine, trans and rear end in a 69 Dart.
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Old 04-02-2019, 04:46 PM
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The 69 440 should have a steel crank and 906 heads if your not using aluminum aftermarkets.
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Old 04-02-2019, 08:18 PM
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Can fit with the rite hardware.... But the differential is not a good swap. it's to wide.
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Old 04-02-2019, 08:24 PM
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You can narrow the housing and buy aftermarket axles. 🙂
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Old 04-03-2019, 06:55 AM
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Originally Posted by Iowan View Post
You can narrow the housing and buy aftermarket axles. 🙂
Yep...
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Old 04-06-2019, 05:22 PM
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Originally Posted by Iowan View Post
You can narrow the housing and buy aftermarket axles. 🙂
will the axle housing come out of the differential to allow shortening or do you have to cut it and weld it back together?
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Old 04-06-2019, 05:26 PM
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Also, I know there are a handful of differentials out there. Are the 3rd members transferable among the 741,742, 489 differentials?
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Old 04-06-2019, 06:21 PM
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If you asking if you can swap the drop outs yes you can but there are different yokes.
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Old 04-07-2019, 07:53 AM
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Originally Posted by 440carbon View Post
will the axle housing come out of the differential to allow shortening or do you have to cut it and weld it back together?
Yes... And Or Flange Ends
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Old 04-07-2019, 07:55 AM
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Originally Posted by 440carbon View Post
Also, I know there are a handful of differentials out there. Are the 3rd members transferable among the 741,742, 489 differentials?
And add what Iowan said Pinion Splines...
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