70 TA challenger tri power

Yes if your looking for copying a Mr Norm 71 GSS demon, or restoring one I'm 99% sure you would need the chevy carbs. The 4782/83 are mechanical, flow slightly more than the stock setup, were sold through Direct Connection/Hustle Stuff. The 4782/83 carbs were not even around as far as i know in 1970/71.