Torque converter dilemma

[Larry S]

In my 69 C10, I have 6.0 lq4 built to around 450 hp with 4l80e. I just had it rebuilt w shift kit. Cam manufacturer recommends a 3200 stall. Its going to be a daily driver but I want power upon demand.

My transmission builder recommends FTI converter.
https://www.summitracing.com/parts/fti-srls40082

My engine builder says summit converters are perfect for my build.
Check out this page from Summit Racing https://www.summitracing.com/parts/sum-700342

The summit is less expensive. I dont want to sacrifice quality or waste $ either. Id love to hear first hand knowledge of these.

Thanks in advance.
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