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Old 09-01-2012, 08:09 PM   #4
Bruce Compton, Canada
Senior Member
 
Join Date: May 2010
Posts: 426
Default Re: rear end interchange

O.K. guys, just for the record, the 1A pig fits perfectly in my '54 Merc housing and even the axles interchange (same spline and length). As a bonus the 3.90 gives me a little less RPM at any given speed than the 4.10 and all the niose is gone. I found a Hemmings site that gives all the rear end data for all Fords and Mercs from '32 to '57. It showed that 49-'early '55 Fords were the same as '52-'54 Mercury. Thanks : Bruce
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