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Atmospheric or recirc

Jaydej

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This is a common subject in any forum but what do you guys think runs best on a S15

VOTE!
 
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Then recirc. Unless you have an ecu mapped to fix the overfuelling you'd have on closed throttle with an atmospheric bov. I'm planning on using a map sensor in future which negates the use of recirc
 
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Yep, if you are running a MAF sensor setup then recirculate is the best option. If you vent to the atmosphere you will overfuel on run off, which will stuff your plugs and O2 sensor over time...
 
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its best decided by your ECU setup. if it works with a AFM then recirc if its a map sensor then either recirc or atmo vent
 

Jaydej

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i managed to get my hands on a HKS ssqv so ill run it for abit see how it goes to change it to recirc will only cost me £20 for the adapter so its not really any drama
 
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