Off the shelf th400 Hugh's gm20 or gm4tow torque converter

[Johnny Red]

Not looking for custom ptc converter due to price and time to build one just looking at off the shelf from summit Hugh's gm20 or gm4tow torque converter for th400 behind blueprint 383 crate motor to trail ride and some rock crawling no rock bouncing just a good ol mountain jeep running one ton on 43 SX any help between the to would be awesome thanks for your time

 

[Sawzall]

I ran the GM20 behind a stock LQ4 in my buggy for a few years and it worked great and transmission was easy to cool. Had a TH400, 3.8 case, and 5.13 gears. Went with a higher stall PTC behind the new engine.

 

[Johnny Red]

Thanks for the info