Bendtsens stuff is bullet proof weve used their Buick straight 8 to GM adapter , excellent stuff , very HD.
i used the bendtsens adapter , rugged stuff comes with a gear reduction starter , 263 to a th 400 was $750 about 5 yrs ago
Hello I would think about using a 700r4 if I were you. I don't know your application, but the overdrive will probably really help with the straight 8. wil www.sakowskimotors.com