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R33 Vvt, Which Models Had It

WogsRus
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WogsRus Veteran

WogsRus

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Posted

Hi guys.

As the title says, i have a S1.5 Dec95 and was wondering which skyline had VVT. my engine is a series 2, as my mate has a series 1 and it looks completly different.

Can somone shed some light. Also if it does have it, when does it kick in ect.

Can somone point me to a good webpage to readt about the R33 VVT, i did a search and nothing came up.

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https://www.sau.com.au/forums/topic/130783-r33-vvt-which-models-had-it/
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Revhead Grand Master

Revhead

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Posted

All R33's had exactly the same variable cam timing, in that (I think) the exhaust cam is retarded 2° between just above idle and until ~4800rpm. Someone will correct me if I'm wrong on the exact details but it's something like that. If you put your foot down, the car should sound different and go noticeably better once you hit 4800rpm or so. This is the cam timing doing its thing.

Anyway, R33 VCT is a static cam timing (ie it's fixed at either 0° or 2°, it can't do anything in between) and is activated purely by an RPM switch, it wasn't until the Neo engines in the R34 that the RB had constantly variable cam timing, meaning it could be adjusted to any value within its range and could do so at any rpm.

So the short answer to your question is all of them lol. The visual difference between your motor and your mate's (if they're both stock) is that his will have the ignitor box at the rear of the coil cover (black plastic box behind the stock BOV), yours will have a plug in its place. If either engine is modded then that will also explain differences between their appearance :laugh:

mad082 Grand Master

mad082

Posted
Posted
The visual difference between your motor and your mate's (if they're both stock) is that his will have the ignitor box at the rear of the coil cover (black plastic box behind the stock BOV), yours will have a plug in its place. If either engine is modded then that will also explain differences between their appearance

TPS are also different.

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