Snow997
Greenie N00B Member
Hi guys,
I have a 2007 mazdaspeed 6 from new,
Recently Built motor, gearbox with Gen1 & Gen2 mix, Efr7163 Twinscroll turbo, CS Throttle body, CS cams, custom Twinscroll manifold, Mac 3port solenoid with genv duel port iwg actuator using only one port, split second controller, Jmf intake manifold, Auxiliary fueling not tuned as yet, Guardian Angel, CS hpfp internals, CS Diff mount, Treadstone tr8 fmic, Devilsown Wmi, SupertechValves with +1mm exhaust valves, etc...tuning with Cobb Accessport ..
Been through my fair share of problems with the car but wouldn't have learnt much otherwise.
At 65 getting a little difficult to work on car like i used to, but it gets done ..
I had damaged my knees a while back and was unable to work on car , workshop had put a 19 psi spring in actuator which was causing a overboost condition higher in the rpm but spoolup and midrange was amazing after I had corrected valve Clearances (too small ) since then ive put in a 14psi spring and noticed ive lost some of the strong lower/midrange pull..
To try and rectify this , I want to setup my Mac 3 port solenoid to the Turbosmart genv duel port iwg actuator using both ports on actuator.
What i have so far is pressure source split = one side going to cap side of actuator other going to 1 in solenoid, 2 going to rod side of actuator, 3 vented .
1.) Is the above plumbing correct and what actuator spring should i use...
2.) Why is the plumbing different when the pressure source is not split which then goes into 1 on solenoid, 2 to actuator and 3 vented.
3)) how would the tune be done any differently.
Im hoping this way ,my tuner will be able to keep wastegate closed a bit longer lower down giving me back that very quick spoolup to midrange that was there with the 19psi spring without the overboost condition higher up in the rpm...
Please advise..
I have a 2007 mazdaspeed 6 from new,
Recently Built motor, gearbox with Gen1 & Gen2 mix, Efr7163 Twinscroll turbo, CS Throttle body, CS cams, custom Twinscroll manifold, Mac 3port solenoid with genv duel port iwg actuator using only one port, split second controller, Jmf intake manifold, Auxiliary fueling not tuned as yet, Guardian Angel, CS hpfp internals, CS Diff mount, Treadstone tr8 fmic, Devilsown Wmi, SupertechValves with +1mm exhaust valves, etc...tuning with Cobb Accessport ..
Been through my fair share of problems with the car but wouldn't have learnt much otherwise.
At 65 getting a little difficult to work on car like i used to, but it gets done ..
I had damaged my knees a while back and was unable to work on car , workshop had put a 19 psi spring in actuator which was causing a overboost condition higher in the rpm but spoolup and midrange was amazing after I had corrected valve Clearances (too small ) since then ive put in a 14psi spring and noticed ive lost some of the strong lower/midrange pull..
To try and rectify this , I want to setup my Mac 3 port solenoid to the Turbosmart genv duel port iwg actuator using both ports on actuator.
What i have so far is pressure source split = one side going to cap side of actuator other going to 1 in solenoid, 2 going to rod side of actuator, 3 vented .
1.) Is the above plumbing correct and what actuator spring should i use...
2.) Why is the plumbing different when the pressure source is not split which then goes into 1 on solenoid, 2 to actuator and 3 vented.
3)) how would the tune be done any differently.
Im hoping this way ,my tuner will be able to keep wastegate closed a bit longer lower down giving me back that very quick spoolup to midrange that was there with the 19psi spring without the overboost condition higher up in the rpm...
Please advise..
