It doesn't transfer as easy , when it does it happens fast , then its hard to keep it there ; ie it rolls over to the rt frt but is hard to keep that transfer .
Then it starts back to the rr and finally lft rear all suddenly .
The chassis is a spring , a stiff spring is less compliant then a soft spring .
Therefore less forgiving .
Personally i don't think they make the big tube chassis for the higher weight classes or bigger drivers .
More for the high g force tracks and high bite situations .
What are we calling big tube 1 1/4? thats stand diameter good for any weight, some companies offer an 1 3/8 RS rail and they are fine for any size driver, now some companies offer 1 1/8 chassis, smaller drivers and saturday night tracks, or where bite is lacking