![]() Haltech has a standalone style control for it even. I'm surprised to see that no one else is manipulating this feature on their FDs when tuning on a factory intake manifold configuration using an aftermarket ECU. This is simply an ON/OFF flapper design, not a stepper motor, so as long as it's near flat when ON, and closed when OFF, it's good to go. ![]() It would open automatically via vacuum only (or rather, once it saw boost, it was going to be open). What this did was force all the air from the TB into ONLY the PRIMARY runners, increasing intake velocity dramatically at low loads/lower RPMs.Īfter researching through Mitchell manuals and forum posts, it seems like there wasn't any solidified control strategy on RPM set point in which this solenoid would actuate the vacuum secondaries. The FD Rx7 came with a set of Secondary Throttle Plates in which at around 100kPa (atmospheric pressure), they opened up. Let's talk engine calibration control strategies for a minute and the effectiveness of Intake Velocity on the drivability of a car. Here is a post I wrote for Rx7 Group on Facebook: None of this is for the faint of heart, but I want to see your contributions. ![]() A lot of my previous projects are covered elsewhere throughout the forum, but this will be a place where I intend on documenting via YouTube the concepts, developments, testing, and tuning of various parts of engine and control systems. So while I am not quite sure where this is heading, I'd like to start a thread dedicated towards building out a set of projects intended on improving the rotary engine to modern standards of reliability and power output. ![]() RGHTBrainDesign - Rotary Engine Development Projects ![]()
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