Heeelllllpp! How do I differentiate between a T-18 and T-98 tranny? I have a 10-spline shaft from the tranny, so I'm assuming T-18. Is this correct?

Need a bellhousing to fit. Was told Jeep bellhousing that fits 3-speed will also fit.

Thanks!

Rich Holley
67 m725
79 j10 (x2)