I am all up for super-fast spool-up(sound familiar?). I have a TA-49 and want it faster. Would installing a ceramic turbine like the GNX's make a real difference? Does anybody know where I can get one?
It might help. But, given the prices I have heard for the GNX unit, I think a ceramic piece will be very expensive, very hard to find, or (most likely) both.
A little extra stall in your torque converter will help with spool. But a '49 is a pretty quick spooling unit anyway. Another option would be the ball bearing center sections Turbonetics offers.
You can't get much faster spool up than a TA-49. Are you having difficulty? What reference are you using that leads you to believe it's slow?
If it is in fact slow, then there's a tuning problem that needs to be addressed. TA49's spool every bit as fast as the stock turbo.
There's no problem with spool-up as it is, but who wouldn't want even faster spool-up? Just a brainstorm I had.