400 valvebody question

[chevyII]

Is it possible to get a reverse pattern body with a brake but not full manual shift. I'm thinking about how fast 6000 RPM comes and goes coming out of fisrt gear. Was thinking on leaving with the shifter in second and autoshift out of first. Does anyone know if and who makes a valvebody like this?

 

[chris718]

we do make a reverse pattern body here but not automatic.might be worth you looking into using one in conjunction with an air shifter.

 

[chevyII]

Just been thinking about the air shifter running off CO2? I'm going to be running a 10oz bottle for boost control already, maybe run both off one bottle? How much volume of CO2 is used to shift? Is it a big deal to turn off and on for street driving? Never used one but would be nice.