DFI, Batch Fire, and other myths

[Shannen Durphey]

Tom Sharpe wrote:
> 
> Greg Hermann wrote:
> 
> > Ahh--dangerous thoughts, and hardware that gets forgotten--Anybody know of
> > any experience racing with switch pitch TH-400's????  Or whether such an
> > idea ever got tried with turbo motors??? :-) (Like switching the pitch to
> > let it rev up into the boost QUICKLY???)
> 
> Switch pitches are good for heavy cars with long gears - help out of the hole
> and low rpm cruse. Adds about 1000 rpm - makes a 6 speed but most of the time
> it's not really effective with a wide torque curve. Use a 700R4 with the right
> converter, or for BIG motors, the T400 derivative, I forgot the number.
> Regarde  Tom
That be the 4l80e, very heavy, very hungry for horses, but very
tough.  Dual stator torque convertor + tcc, electronically controlled
shifts, and did I mention it was heavy?
Shannen