Torque convertor question

Is the TCI 11" breakaway convertor too much convertor for my application?
was I'm able to purchase it for $275.00
You’re asking about that converter and haven’t bought it yet? Or you’re asking about that converter and already bought it? IMO, no it won’t be too much. You might find it’s perfectly fine (depending on whether you have/haven’t experienced quality converters in use) and/or perhaps not enough as it’s really combo dependent.

I know you didn’t ask but there are better. I’d look at Hughes if you just can’t swing much more $$.

If it were me and whether its a running car or being put together and you’re wanting a excellent quality converter I’d wait, be patient save more money, you don’t need a custom converter, just get this:

Turbo Action #17801 11” S-800 (2800 stall)

Turbo Action Racing and Performance - Racing shifters, transmissions, converters, valve bodies, cheetah e-shift!

Turbo Action Street S-800 Series Torque Converter