Help with rear u-joint conversion 63 econo - Ford Truck Enthusiasts Forums

Help with rear u-joint conversion 63 econo

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Old 05-04-2011, 09:25 AM
motorjunkie motorjunkie is offline
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Help with rear u-joint conversion 63 econo

I have a USAF 63 econo that I am performing a drivetrain swap on. I have been told that it is a DANA 20. Of course the ujoints are TINY and this is my problem. I cannot find a conversion joint and am wondering if I have any options other than a rear end swap. Is there a yoke swap I could perform?

the ujoint specs I would need are below.

<table style="width: 222px; height: 224px;" id="yiv1526206880bodyDrftID" class="yiv1526206880" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="FONT-FAMILY: arial; FONT-SIZE: 10pt" id="yiv1526206880drftMsgContent">2.5625" = 650.875mm spread

1" = 25.4mm cup

3.25" = 825.5mm spread

1 1/16 (1.0625") = 26.9875mm cup

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Old 05-04-2011, 04:25 PM
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smalltrucker smalltrucker is offline
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Might want to contact someone like Denny's driveshaft, got lots of odd ball stuff. Depending on what you are going to be putting out for power, might be a good idea to swap rears. Just some thoughts.
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Old 05-10-2011, 10:13 PM
dmanlyr dmanlyr is offline
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I have to agree, part of the drivve train is the rear axle and if you have increased your power, it may not hold up well.

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