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hey guys just need help on troubleshooting the problem or explain to me what's going on lol. recently installed a hks evc 5, everything seems to be installed accordingly, just one problem is that i'm receiving a reading saying that the car boosting while the it's on neutral. usually gives out 54kpa otherwise 7psi on 7000rpm, i know it's not meant to be boosting on neutral, i've checked the connections everything seems alright. Need help.

-thanks

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https://www.sau.com.au/forums/topic/292807-boosting-on-neutral/
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shit !!!

who revs their own cars to 7000rpm in neutral ??

save that shit for your rental cars mate

lol was just testing something cause at mid range rpm evc stated that it boosted 10kpa so just reved it some more just to clarify whether what the evc has shown was true or not. first time seeing it boost in neutral as well bit puzzled.

Never done it myself as I've always heard it was very cruel to the engine but why exactly is it worse to rev to say 7,000rpm in neutral as opposed to in gear?

I understand when in gear and on the move the engine is under load but why is it worse in neutral when there is minimal load?

its not worse. hitting 7000rpm in say 2nd or 3rd puts shitloads more load on the motor than hitting 7000 in neutral, aslong as the car is running fine (not too lean or too much timing up there, good oil etc) then what you did isnt gonna hurt it

its not worse. hitting 7000rpm in say 2nd or 3rd puts shitloads more load on the motor than hitting 7000 in neutral, aslong as the car is running fine (not too lean or too much timing up there, good oil etc) then what you did isnt gonna hurt it

That's the difference, an engine in neutral with a huge quick rev up to 7000RPM is more damaging if oil pressure isn't quick enough.

On the street, motor is loaded, doesn't rev up as quickly, the oil pressure "lag" is barely noticeable...

But a very quick free rev, it can be quite noticeable depending on how quickly the motor revs out of gear.

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