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Old 31st December 2014, 10:58 PM   #121 (permalink)
CT17 is probably in an R34 GT-R.
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I hate reading about V-Cam. Always makes me want it.
meathead, Jayman and jonnypolish like this.
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Old 1st January 2015, 05:57 AM   #122 (permalink)
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I hate reading about V-Cam. Always makes me want it.

I no the feeling mate
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Old 1st January 2015, 08:19 AM   #123 (permalink)
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I hate reading about V-Cam. Always makes me want it.
I have the same problem with sequential gearboxes.....
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Old 1st January 2015, 12:44 PM   #124 (permalink)
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I have the same problem with sequential gearboxes.....

I would much rather a sequential box, just a shame the os wernt a bit more road friendly
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Old 1st January 2015, 02:52 PM   #125 (permalink)
CT17 is probably in an R34 GT-R.
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OK, guess the best place to ask this...

What improvements should I see on this, adding a V-Cam?
twin turbo -5s.

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Old 19th January 2015, 07:15 AM   #126 (permalink)
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Is there a Vcam - VCT for the exhaust for the RB26
Probably a dumb question but I ask a lot of these, haha
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Old 19th January 2015, 12:07 PM   #127 (permalink)
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HKS did look in to it but was never offered for sale I believe.
Cant find the picture of it, saw it somewhere on here.
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Old 19th January 2015, 01:01 PM   #128 (permalink)
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Quote:
Originally Posted by CT17 View Post
OK, guess the best place to ask this...

What improvements should I see on this, adding a V-Cam?
twin turbo -5s.

move the the torque curve 1000 rpm to the left and keep the same top end figure.
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Old 19th January 2015, 06:42 PM   #129 (permalink)
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HKS did look in to it but was never offered for sale I believe.
Cant find the picture of it, saw it somewhere on here.

I heard they did a proto type but I could not find anything else bout it ?

I will keep looking, thanks
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Old 19th January 2015, 08:55 PM   #130 (permalink)
Calibrat is having RB32 build with v-cam
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Mark when you gonna do me a deal on my step 1 type b for your pro :-p
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Old 20th January 2015, 11:10 AM   #131 (permalink)
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I heard they did a proto type but I could not find anything else bout it ?

I will keep looking, thanks
Is it perhaps because it would be of little benefit on a turbocharged engine.

With the SR20s there was a VVTL version called the SR16/20VE which was VVTL on both intake and exhaust. There was a (factory) turbocharged version of this engine called the SR20VET in I think the X-Trail. From what I remember the VET only had VVTL on the intake and nothing on the exhaust. The suggestion I read was that for a turbo you want to have the exhaust open as much as practical.

Is that correct or was it just a cost saving measure or some such I'll leave to others.
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Old 20th January 2015, 12:59 PM   #132 (permalink)
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The RB25 VCT system has apparently been adapted to the RB26 head in the past with some good results so I've heard. I think Red R Racing in Australia have a kit for this

If you can read japanese, these fellas do it too: http://www.rising-web.jp/03works/03works_frame.html
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Old 20th January 2015, 01:08 PM   #133 (permalink)
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Mark when you gonna do me a deal on my step 1 type b for your pro :-p

Afraid not , staying in my Rb28 motor
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Old 20th January 2015, 02:04 PM   #134 (permalink)
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Originally Posted by CT17 View Post
OK, guess the best place to ask this...

What improvements should I see on this, adding a V-Cam?
twin turbo -5s.

How much boost was this at and have you any work done to the head?
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Old 22nd January 2015, 04:13 PM   #135 (permalink)
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Mark when you gonna do me a deal on my step 1 type b for your pro :-p

Afraid not , staying in my RB28 motor
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Old 25th February 2015, 05:32 PM   #136 (permalink)
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The RB25 VCT system has apparently been adapted to the RB26 head in the past with some good results so I've heard. I think Red R Racing in Australia have a kit for this

If you can read japanese, these fellas do it too: ƒp[ƒc&ƒƒjƒ…[
I have an Rb25det head on an Rb30 bottom end with the NVCS working and the response is excellent!
As far as the single vs twin debate is concerned I personally prefer a single, but I'm aware that as soon as the exhaust cam timing is greater than 240degrees there's the problem of the exhaust gasses from one cylinder upsetting another, this is not a problem for twin setups.
I wonder how the different designs of exhaust manifold would affect the V cam results, as I suspect it maybe of more benefit to those using a single turbo with long manifold runners compared to those using twins.
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Old 28th August 2015, 11:43 PM   #137 (permalink)
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V cam

here is the result of the 3.2 stroker build

What I am wondering is, what would a HKS step 2 or Pro Vcam do for this build, has anyone got a back to back on a 3.2 stroker and then adding a Vcam with exactly the same mods ?
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Old 9th October 2015, 06:40 AM   #138 (permalink)
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details?

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My friend at Rising in Japan has adapted a VVT Exhaust set up to his RB26, says his car is wicked fast, it was a custom job he did all the work him self, a lot of 1 off stuff was needed but its a working system.
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