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That's so cool. Sounds like I'll give it a try one day. I like the ideas of how it sounds guys. A whole 50 degrees. Yep that would help the response for sure. I just don't like the price of the hks unit. Also the fact that it's variable was a good point to bring up. I'll definitely check this out for my future street gtr. Retro fitting the the VQ25 until to fit that also interesting idea. Has anyone seen this done. If it can even be done at half the price would be a good new topic to start.

It could almost be done for free if you had the tools. Tuning it may be a little harder. Not sure if you would need the cam position sensor for feedback...

It has never even been looked at afaik.

As sweet as it sounds in theory, in reality I bet it would be an overly expensive mod that would make tuning more difficult as well as bring up problems and gremlins.

If it was me id spend the money on really good turbos that best suit the desired outcome, other supporting mods (good actuators, ebc, pipes etc) as well as really good tuning.

As sweet as it sounds in theory, in reality I bet it would be an overly expensive mod that would make tuning more difficult as well as bring up problems and gremlins.

If it was me id spend the money on really good turbos that best suit the desired outcome, other supporting mods (good actuators, ebc, pipes etc) as well as really good tuning.

If it were me it would cost nothing to set it up mechanically. I just have no idea how to actuate it properly.

VCT on the other hand is easy to actuate.

You can set your cams up however you like, but you can never have response and power, just something in between. If you had driven my car with the cams actuating then not, you would realise the difference 40 degrees advance/retard makes to efficiency and spool.

You could always put an RB25neo in there. :P

As we have discussed, that is a kit to hand it to you on a plate. All you need is a VCT actuator and a good fabricator/engineer to shove it in there, no need to spend 7k unless you wanted to sell multiple kits off yourself.

meh, who needs vct when you have 3L!

esp a built 3L with E85 n a sweet turbo on it!

Do you have a 3l?

I have a 2530 neo in my stage a and there's no way I would do without vct.

no but iv driven one (25/30) a bit that was fully built, very well tuned and putting down 500hpatw.

I couldn't complain about the torque curve at all... now thinking back I cannot remember if it did or did not have the VCT. maybe it did...

but this is a slightly different equation. as the OP was regarding GTRs with VCT. For a 25 head and the fact it was already there I would indeed put the effort in to retain it, even in a 2530 build. For GTR's /26 head, and the cost of getting it in and working, no I would not. Hence saying I would spend the money on some other aspects of the car.

Edited by jjman

Response is a pretty big aspect of how a car drives. It would help with midrange response and power which is worth more imo than top end on a road car. What if it could be done for $500, would it be worth it then? Perhaps someone should look into it further and work out exactly what's needed, and what it would cost to be made in bulk. The market is definitely there for a short production run I would think, especially if the positive results could be proven. If I had a head here I would look into it myself.

I guess it comes down to how cashed up you are, and how early you want the 26 to spool.

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