Quote:
Originally Posted by Bones72Super
I will be doing the same swap LQ4/4L80E in my 72K2500. Try to find a 205 from a square body that had a th400 in front of it, they are hard to find but that the ticket. I got lucky and found one and it's a direct bolt up. The 4L80E is a th400 with overdrive and the bolt pattern on the tail and spline count are the same. Somebody please correct me if I'm wrong
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There is just enough difference to where it is not a direct bolt in. The centering ring or the groove where the o ring sits is a different diameter.