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Originally Posted by doctorstupid
I know that TEC has dual port wastegate actuators. one nipple is used to hold it shut with boost before desired boost is reached, then the boost controller flips the ports so that port is no longer pressurized and pressurizes the other port which pushes the valve open. I do not know who makes them, and I've only had the pleasure of seeing them once, on a local 15G car. Currently TEC is closed for business for a death in the family, when they reopen you had better beleive I'll be in there getting some for my TD05's.
As for pushing the valve open prematurely, ABSOLUTELY! I've seen it myself while somebody else revved the engine at WOT to redline. Keeping it shut tightly could do wonders for reducing lag  |
THEY MAKE THEM FOR TD05s?!?
-Chris