Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   GT-R R35 Plenum Test Fitment on my VQ37HR (http://www.the370z.com/intake-exhaust/46897-gt-r-r35-plenum-test-fitment-my-vq37hr.html)

DIGItonium 06-11-2013 07:12 AM

Finally sold my intake plenum. Been in my possession for over 2 years. Had to move on with other priorities. :(

Dwnshift 06-11-2013 07:24 AM

Pm sent

SgtGoldy 06-11-2013 07:31 AM

You'll be fine, just looking at your build Digi... I think you have enough toys lol.

Chuck33079 06-11-2013 07:36 AM

Quote:

Originally Posted by Dwnshift (Post 2357520)
Pm sent

Any chance you can get me that info as well? Not in the market quite yet, but I'd love to know what options are out there.

Sh0velMan 06-11-2013 07:40 AM

Quote:

Originally Posted by Chuck33079 (Post 2357534)
Any chance you can get me that info as well? Not in the market quite yet, but I'd love to know what options are out there.

Me too.

MyKindaGuise 06-11-2013 07:52 AM

Quote:

Originally Posted by Chuck33079 (Post 2357534)
Any chance you can get me that info as well? Not in the market quite yet, but I'd love to know what options are out there.

Everyone is in the same boat. Add me to that list.

For what its worth we added my intake manifold into solid works the other day. Looking into some custom options...

V8Killer 06-11-2013 09:54 AM

Quote:

Originally Posted by DIGItonium (Post 2357507)
Finally sold my intake plenum. Been in my possession for over 2 years. Had to move on with other priorities. :(

I'll take care of it man! You will see it put to good use. Currently seeking out options for custom fabrication to use with my nitrous kit.

Dwnshift 06-11-2013 01:41 PM

New thread being started....
For those that would like info please sub to it.

ChrisUR 06-13-2013 02:51 PM

first of all sorry for the long delay again - I had other priorities than my own car for the last weeks.

today I finally found time to continue working on making this conversion as perfect as it can be by constructing a "new" matching strut bar when moving to the GTR manifold.

this is a first glance and far from being finished but just to give you an idea what we are doing currently and to show some progress ;)

http://fbcdn-sphotos-b-a.akamaihd.ne...32883230_n.jpg

thanks for being patient with me - I have ordered the OSIRIS Tuner version and when it arrives we finally are able to make a custom tune and see what gains can be accomplished.

Chris

370Z JT 06-13-2013 03:20 PM

I just got a hold of the plenum and engine cover! Looking forward to more details.

Spikuh 06-13-2013 04:04 PM

About what I expected you would go for. Seeing it now, a thought just occurred to me. Since the whole brace wraps around the engine on both sides and will cause a bit more flex, could you put in vertical pieces between the brace segments to connect them and pull out some of that flex?

Something like this:

http://i142.photobucket.com/albums/r...32883230_n.jpg

Gibby1113 06-13-2013 04:29 PM

Sweet mother of God ME GUSTA. How much for one of these???

ChrisUR 06-13-2013 05:01 PM

@Spikuh

thats a good idea but I'm positive we wouldnt need extra braces when my design is finished. The angled braces left and right running towards the front will be doubled, means 80mm (3.149 inch) width and 20mm height and the horizontal brace will be 60mm (2.362inch) wide and 20mm height (0.787inch).

the material we use is a 2mm (0.78 inch) wall thick hollow square steel pipe.

The welding done by my professional welding friend (who also did the welding for the lower plenum adapter) assured me each welding point he makes between the new brace and the stock brace mounts can hold about 1 ton - we make 12 welding points on each strut tower.

I drove the car without any strut bar after the GTR plenum was in place. You felt a significant difference in driving especially as my car runs 3.5° negative front. Every wheel rut was very annoying.

Then for my last track day I cutted the stock brace horizontal and installed it only connecting the towers to the firewall. That made a tremendous difference and I couldnt feel any disadvantages on the race track - I even drove 2 seconds faster than a few months ago with the stock plenum and stock brace. Even though I had the impression that on a very bad road surface there was a negative effect not having the full brace.

In 2 weeks I'm on the race track again with the completed and fully installed new brace - you will get real world experience and honest reports as always.

Chris

Spikuh 06-14-2013 08:57 AM

Quote:

Originally Posted by ChrisUR (Post 2362173)
@Spikuh

thats a good idea but I'm positive we wouldnt need extra braces when my design is finished. The angled braces left and right running towards the front will be doubled, means 80mm (3.149 inch) width and 20mm height and the horizontal brace will be 60mm (2.362inch) wide and 20mm height (0.787inch).

the material we use is a 2mm (0.78 inch) wall thick hollow square steel pipe.

The welding done by my professional welding friend (who also did the welding for the lower plenum adapter) assured me each welding point he makes between the new brace and the stock brace mounts can hold about 1 ton - we make 12 welding points on each strut tower.

I drove the car without any strut bar after the GTR plenum was in place. You felt a significant difference in driving especially as my car runs 3.5° negative front. Every wheel rut was very annoying.

Then for my last track day I cutted the stock brace horizontal and installed it only connecting the towers to the firewall. That made a tremendous difference and I couldnt feel any disadvantages on the race track - I even drove 2 seconds faster than a few months ago with the stock plenum and stock brace. Even though I had the impression that on a very bad road surface there was a negative effect not having the full brace.

In 2 weeks I'm on the race track again with the completed and fully installed new brace - you will get real world experience and honest reports as always.

Chris

Alright, sounds pretty good. I only mention it as some others were also talking about how these angled braces could/should be a loss of stiffness.

Also, and this can go to anyone really, any idea why the brace mounts to the chasis and not the tops of the suspension towers? A friend of mine mentioned this to me while I was helping him install his 1.5 SC upgrade and I found it odd. I assume that mounting it to the chasis as opposed to the suspensions towers does not achieve the same result, or correct the same "problem", but could be incorrect.

Can't wait to see the new brace. :tup:

Chuck33079 06-14-2013 09:03 AM

Quote:

Originally Posted by Spikuh (Post 2362955)
Also, and this can go to anyone really, any idea why the brace mounts to the chasis and not the tops of the suspension towers? A friend of mine mentioned this to me while I was helping him install his 1.5 SC upgrade and I found it odd. I assume that mounting it to the chasis as opposed to the suspensions towers does not achieve the same result, or correct the same "problem", but could be incorrect.

Just looking at the location of the top of the suspension towers, you would need some funky angles to get it up and around the motor.


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