Tell me about this 273 and tranny.

dowboy1970 said

I am betting on the flange and not the slip yoke.
I am kinda thinking he would have sent a good pic of that.

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If it is a slip yoke, be aware that the 273 and slant 4 speeds used a 26 spline output shaft (same as a 904) which is different from the '68 and up four speeds that used a 727-sized output shaft with 30 splines.