s14 Valve Timing Control (VTC)

For the RWD SR20DET cars! Sponsored by Wiring Specialties.
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karmakaze
Posts: 2636
Joined: Sat Apr 23, 2005 1:52 pm
Car: 98 240sx SE
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well I was reading the FSM and I came across this neat little section regarding the VTC stuff and evidentially I have never read anything accurate about what exactly this system does so I thought I would post it.

It works under 2 conditions:

1.) engine coolant temperature is 122 degrees or more and the engine speed is between 1050rpm and 5700rpm

2.) engine load is high and the engine speed is 1050rpm or less.

When the solenoid valve is ON it advances your timing and increases valve overlap from 1 degree to 21 degrees.

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david200095367
Posts: 1632
Joined: Mon Mar 29, 2004 7:57 am
Car: 91 fastback 93 coupe w/s14 sr20det 98 s14 kouki

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nice to know for us s14 sr owners. thanks.
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