my 200 4r yoke fits what i was told was a 400.i thought i needed a 32 spline yoke.i was told if my 200 yoke fits its a 375.i heard also very few 400s had the small yoke.if it is a 375 will it handle a tough job?the donor car was a 76 impala.(a boat) .it had a 400 ci engine.it ran strong.