The droop control (the one that holds boost up in between reaching the target and reaching WGrpm) may not have enough range of adjustment but it's worth a try. Also keep in mind that it stops working when you reach WGrpm so you may want to set that a lot higher than 3800.
----- Original Message ----- From: "Rob Ebersol" <[email protected]> To: "Ray Ayala" <[email protected]> Cc: "MiataPower Power Miata" <[email protected]> Sent: Thursday, February 26, 2009 8:48 AM Subject: Re: EBC settings Qs > The issue I have with step 1, is that boost onset starts at ~2k rpm and > continues to rise until it's just over 10psi at near 7k rpm. Boost never > "settles out". I tested the actuator and it starts movement at 4psi and > is fully extended with 14psi. With the wastegate wired shut, the turbo > (t3/t4 60ar50trim 48arStage3) hits 16psi (target) at 4000rpm. So my > thinking is to put the LINK into boost assist by setting the WGbase at > 4psi (or less) and start the WGrpm around 3800 and tuning from there. I > can't see any reason why this wouldn't work. It would allow the LINK to > shut the signal line soon enough to stop any leaking set on by the touchy > actuator. > > Just thinking through this before I get out in the car and try it. > thx-rob > > > On Feb 25, 2009, at 9:53 PM, Ray Ayala wrote: > >> During spoolup assist the Link opens the solenoid all the way to bleed >> off all the pressure signal so that none of it reaches the actuator. >> This condition will continue until boost reaches the target. Then (if >> adjusted correctly) it gradually decreases the % of bleed-off as rpm >> rises toward WGrpm. At WGrpm the % of bleed- off is whatever was >> determined during the 1st step of boost control setup. >> >> >> ----- Original Message ----- From: "Rob Ebersol" <[email protected]> >> To: "MiataPower Power Miata" <[email protected]> >> Sent: Wednesday, February 25, 2009 12:37 PM >> Subject: Link: EBC settings Qs >> >> >>> "Boost Assist" - Is this the process of the LINK close the solenoid >>> to prevent any signal getting to the WG acuator? Is it initiated by >>> WGbase? and ended by WGrpm? >>> >>> IF SO- >>> Any negative effects from starting "boost assist" shortly after boost >>> onset to control a ultra sensitive actuator from initiating movement >>> on the valve. Specifically to address my actuator that starts >>> movement at 4psi and completes it at 14psi. Just planning my next EBC >>> tuning outing. >>> >>> thx-rob >>> _______________________________________________ >>> Miatapower mailing list >>> [email protected] >>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >> > _______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
