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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
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