dissecting vaccum and pressure chambers
#1
dissecting vaccum and pressure chambers
has anyone here open the pressure and the vacuum chambers on the FD.i am curious as to whats inside that makes it so important.even if they both had diaphragms i don't see how the pressure fluctuation makes that much of a difference when the small electrical solenoids are controlling both vacuum and pressure.
#2
Racecar - Formula 2000
has anyone here open the pressure and the vacuum chambers on the FD.i am curious as to whats inside that makes it so important.even if they both had diaphragms i don't see how the pressure fluctuation makes that much of a difference when the small electrical solenoids are controlling both vacuum and pressure.
#3
from what i can tell the turbo control solenoid valve is that intricate and sensitive that you need two solenoids (h and f) for charge and relieve along with a vacuum chamber box for it to maintain a certain amount of pressure.how many psi does that closed system needs to hold with in that loop for that turbo control solenoid to work?
#5
Eats, Sleeps, Dreams Rotary
iTrader: (14)
from what i can tell the turbo control solenoid valve is that intricate and sensitive that you need two solenoids (h and f) for charge and relieve along with a vacuum chamber box for it to maintain a certain amount of pressure.how many psi does that closedvacuum chamber. system needs to hold with in that loop for that turbo control solenoid to work?
#6
has anyone ever to replace the turbo control actuator with one like the turbo wastegate actuator?
the delay can be controlled by a manual boost controller so that the turbo control actuator can be activated after the primary has reached 8-10 psi.can it?
i think the stock T.C system is too complicated and not very reliable to control just one actuator.
i might be totally wrong or maybe i don't understand quite well but this is what i was thinking.
the delay can be controlled by a manual boost controller so that the turbo control actuator can be activated after the primary has reached 8-10 psi.can it?
i think the stock T.C system is too complicated and not very reliable to control just one actuator.
i might be totally wrong or maybe i don't understand quite well but this is what i was thinking.
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#8
rotorhead
iTrader: (3)
I'm pretty sure the turbo control actuator needs vacuum and pressure so that it responds fast enough. There was a thread recently that discussed the difference between the FD sequential system and the Supra system.
The Supra system has a few less actuators and needs only a pressure tank. Many suspect that the Supra had a more powerful ECU than the original FD ECU and that in turn allowed for more mechanical simplicity.
The Supra system has a few less actuators and needs only a pressure tank. Many suspect that the Supra had a more powerful ECU than the original FD ECU and that in turn allowed for more mechanical simplicity.
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