I have done some searching, and can't seem to find the answere to my question. Are the inner guts of the Birf the same size as the mini truck (79-85)? Also, I read in one thread that the inner spline count on the FJ80 Birf's are 27 Spline, can anyone confirm this. Web sites? Threads I missed? Any help would be greatly appreciated.
FJ 80 Birfield
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80 series are bigger. I believe a 60 series is the same. Check www.ih8mud.com as I believe he has the specs listed somewhere.
60's and minis are the same, 80's are bigger - inner parts can be had from Supra 86.5 and up.
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mini and 60 birfs neck down and have 27 spline inners at the birf end!!
all others are 30 spline 1.31"
all others are 30 spline 1.31"
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