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VCT/OCV questions


XR6TTUB

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  • Member For: 6y 6m 25d

G’evening all

 

im just poking around my engine bay looking for vacuum leaks,I had this idea in my head disconnecting the vct solenoids whilst car is idling to see if it makes a difference

 

whilst the car is idling, I disconnected one at a time, and then both at the same time,didn’t make any difference to idle whatsoever

 

so my question is, disconnecting the OCV/VCT solenoids, should it affect timing at idle? Cause at the moment, seems like my VCT solenoids are doing squat (which then tells me it’s pulling timing at idle to about -9.14 deg which in turns causes a stupid misfire )

 

kenny

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  • less WHY; more WOT
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  • Member For: 15y 11m 18d
  • Gender: Male
  • Location: Melbourne

I'm not 100% sure, but I think that they are only really active when timing makes a difference, e.g. when there's significant load through the engine. Idle is not included in this.

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  • Member For: 8y 7m 25d
  • Gender: Male
  • Location: NZ

This is what Brad at atomic says so I believe it, He reckons there is absolutely no benefit in keeping it in performance application.  Except every performance shop here in NZ swears by keeping it with performance gains to be had :ermm:

Edited by tazzanz
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  • Puff
  • Gold Donating Members
  • Member For: 9y 1m 28d
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  • Location: South Australia
28 minutes ago, tazzanz said:

performance application.

 

That means dedicated track cars. 

 

Less than 99.99% of tuned cars fit that description. 

Edited by Puffwagon
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