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#21 |
![]() Join Date: Jan 2004
Location: Alex VA
Posts: 1,087
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sounds like exactly what I'm after
anyone have a link to the write up? thanks! ![]()
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95 390 LPE ZR1 (505 rwhp) LSV = Lingenfelter Super Vette Twin Turbo 2003 Z06 (800 RWHP) |
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#22 |
![]() Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
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#23 |
![]() Join Date: Oct 2013
Location: Wichita Falls,Tx
Posts: 604
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I wonder if this Mild2Wild set-up would work on our cars?
http://www.qpcpv.com/topflightreproductions/id34.html
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Clint & Sherry 1994 ZR-1 White/Red #152 (sold) 1991 ZR-1 Callaway Aerobody #1332 (sold) 1990 ZR-1 Red/Red #952 (sold) 2002 Z06 Torch Red/Mod Red widebody |
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#24 | |
![]() Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
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#25 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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USA,
What I have realized with mike100's help is that the NPP in a Box does not do what I THOUGHT it was supposed to do. I won't suggest that NPP is misrepresenting the operation of their NIAB unit. In fairness, NakidParts never designed this unit for installation in a C4. From reading the promotional material it "seemed" that NIAB would allow me to open and close the NPP actuators as I wanted to. That the actuators would remain closed regardless of throttle position or manifold vacuum. The conclusion that myself and Mike have come to is that NIAB is really designed to allow the NPP actuators to open and stay open. However, the other position of the system is to simply allow the actuators to move with the swings in vacuum. IOW, you could get drone in situations when Manifold vacuum drops allowing the actuators to open. My goal has been to keep the actuators closed in those situations. Mike and I have discussed how to do that. Mike will be presenting his solution(s). I am putting together something a bit less sophisticated but to do what I am looking to do. In the end, these configurations will cost substantially less than the $189 for the NIAB unit.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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#26 | |
![]() Join Date: Oct 2013
Location: Wichita Falls,Tx
Posts: 604
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Clint & Sherry 1994 ZR-1 White/Red #152 (sold) 1991 ZR-1 Callaway Aerobody #1332 (sold) 1990 ZR-1 Red/Red #952 (sold) 2002 Z06 Torch Red/Mod Red widebody |
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#27 |
![]() Join Date: Jan 2004
Location: Alex VA
Posts: 1,087
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I'm thinking some electric actuators like quicktime uses might be better
for now I'm going to just hook mine up to the canister vacuum and call it a day until this gets sorted out. I've got the tips, just need to take the plunge and hack up a B&B thinking about replacing the muffler with free flowing alternative as I understand the B&B "new style" mufflers make it more restrictive than the corsa. time to fix that and let the beast eat.
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95 390 LPE ZR1 (505 rwhp) LSV = Lingenfelter Super Vette Twin Turbo 2003 Z06 (800 RWHP) |
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#28 | |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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If you are going to spend the money and effort to hack the B+B, then just buy the DynoMax UltraFlows, sell the B+B including the resonator, and install the NPP tips on the DynoMax. Install an EGR solenoid ($35 from Rock Auto), rocker switch ($4 from Radio Shack), and a one way check valve ($11 from NAPA). That's the simplest setup, or do the mike100 system with RPM/Vacuum control.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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#29 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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Next step in NPP controls install, check valve.
This will seal pipe from engine to solenoid whenever plenum drops vacuum. Since the pipe runs from front to back, it will act as a "reservoir" providing a buffer from the variation in engine vacuum. That's why I've installed it by the blower motor. $8 from NAPA. Now when I have solenoid closed, actuator will stay shut regardless of throttle opening. If I flip switch in console, the actuators will remain open, again regardless of throttle position. ![]() ![]() Here's the EGR SOLENOID connected to the console switch via circuit starting in engine bay. This is installed by the disconnected Charcoal Canister in rear passenger side corner. ![]()
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX Last edited by XfireZ51; 04-04-2014 at 11:49 PM. |
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#30 |
![]() Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
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That studded bracket was quite useful on my installation also.
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