Originally Posted by sailorbob
Do not put a dump valve that vents to air on a small turbo eec-iv Escort as it will cause problems. The ST Escort runs a MAF and you will venting metered air away resulting in the ecu thinking there's more air going into the engine than there actually is.
I would listen very carefully to the CORRECT information you are being given here....... They can cause all sorts of problems, just leave the recirculation valve alone, and it will be fine..... If you want to ruin your car for the sake of a chavvy PTSHHHH then go for it
