Quote:
Originally Posted by particlewave
I'm doing this.
I just ordered a solenoid valve for $5...if it doesn't work out, I'm not out much. But it will work great. 
I'll be happy to eliminate vacuum from the system and lose the electronic changeover valve. Vacuum sucks (pun intended  ). |
I agree the whole vacuum circuit seems over complicated and prone to failure. Metering the air into the exhaust manifold to maintain the A/F ratio at the O2 sensor will be the tricky part. It will be interesting to see your concept.