Any LowBuck but STRONG overdrive option?

Ironracer said

That's what I figured. I don't have the numbers on the thing but he told me it's a lock up 727. I'm probably confused cuz I read something about being able to take a lock up converter Indo power to it but that was probably for the overdrive 500 or 518

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There is a hydraulic lock up 727 non overdrive.
Easy to spot just pull the torque converter the lock up model uses a different input shaft. The lock up shaft has no splines on it for the approximately the first inch the non lock shaft will have full splines.
I am having one built for my Barracuda later this year, trans Guy just found a core for the project. Should not require any major metal work to install. We will know more after I get my hands on the core.