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racprops · 01-11-2021, 05:31 PM

OK I have read a much as I can on using EGR, I am very interested in running it.

My problem is I want to add extra EGR in a 93 Chevy 350/383.

These use vacuum EGR Valves. The intake I have has two ports so I figure I can run two control valves and double the amount of EGR at max flow.

I also figure on two ideas on controlling these valves either an electric valve to change the amount of vacuum OR a pulsed valve that depending on a duty cycle can control how much EGR is fed to the engine.

ANY idea and advice is welcome.

Rich

01-11-2021, 05:31 PM	#1 (permalink)
racprops Master EcoModder Join Date: Oct 2009 Location: Phoenix AZ Posts: 788 Thanks: 4 Thanked 64 Times in 56 Posts	HOW to add and control EGR to a Chevy SB OK I have read a much as I can on using EGR, I am very interested in running it. My problem is I want to add extra EGR in a 93 Chevy 350/383. These use vacuum EGR Valves. The intake I have has two ports so I figure I can run two control valves and double the amount of EGR at max flow. I also figure on two ideas on controlling these valves either an electric valve to change the amount of vacuum OR a pulsed valve that depending on a duty cycle can control how much EGR is fed to the engine. ANY idea and advice is welcome. Rich