No worries. I wouldn't miss the strut bar if a better and track tested one can be fabbed like the one used in the GT-R. Maybe you can fab a "hood window" to show off the bling haha.

Looks like I'll be keeping my GT-R intake collector since no one wants it ;)

Cant wait!

Good news is i can still use my GTM high flow rails! :happydance:

Now the questions is whats the best plenum out there for R35? :rolleyes:

the stacks on the runners look like their can be a little shorter(not a machinist)? I remember the DE Z33 guys would rise the strut bar with a thick washer to keep the strut bar after a Motordyne spacer. How much off it the strut bar away from fitting?

Anyone who does this mod know what their geting into....

If the oil cap was an issue that can be cut and rotated towards the front, and most of the wires underneath the manifold can be re routed...

in for more...

Looks don't make HP. IMO ( as much as I'd like to see results) manifolds only benefit with FI.

not necessarily, Sasha showed that the VQ can do with a better flowing manifold...

seen here...
Popping the Top for 360whp - YouTube

Also I haven't seen any before or after dyno to back this but it makes sense

Intake Manifold Runner Clean Up - MY350Z.COM Forums

as said previously I dont know what this upgrade will do in real life although I have an idea or at least hope ;)

The runners in the stock lower manifold are squares and not really "flow improved" and they have "dents" inside for the bolt threads. The upper manifold is widely open and jagged inside so that air can flow everywhere and is not directed but only collected.

The GT-R manifold provides air flow from the throttle bodies inside the outer collectors and then divide the air into 2x3 runners where it can accelerate and is not swirled. A continued round shape provides maximum flow vs. the angular design.

For a natural aspired engine the most important thing regarding air intake is to provide as few restrictions as possible - even better is to create a situation where the engine is offered more air than it would naturally aspire, called "ram air" and is e.g. used in motorcycles. You try to force a positive pressure into the cylinders which is nothing else than a turbocharger does by brute force.

It may be that Nissan rocket engineers have calculated and designed the manifold to create maximum torque and power and that my upgrade does nothing good but from a common sense I would say we actually will see an improvement of any kind whatsoever.

But Spoon is absolutely correct - this mod has proven nothing yet and until we put the car on the dyno and compare with our runs before nobody can say it was worth the money and the effort.

@Kingbaby
the runners cannot be any lower because otherwise the upper plenum will hit the valve covers - we chose the lowest position it can go. First I was hoping to work with strut bar spacers but it showed that the GTR manifold is a lot higher than stock plus doesnt have the notch for it like the stock one has plus the stock plenum is angled towards the front while the GTR sits at a constant level.

tomorrow we will continue the welding on the lower adapter and today the upper plenum goes to the powdercoater. Stay tuned for more pics soon !

Chris

I hope for the best

Can't wait for the results

Will you be able to have tooling to make it easier to produce this part?

This is how feel this morning:

:woot::usa::rock::vuvuzela:

(You can swap USA flag for general saluting, but we don't have a saluting face by itself)

This looks super sexy in the engine bay, nice work.


Sent from my iPizzle using magic and new-fangled science stuff

yes of course we will fabricate a rag so we can easily reproduce the adapter when everything works out !

following Spikuhs suggestion I have updated the first post in this thread with information about parts needed to do this conversion plus a link to my facebook album for all pics from the very beginning until the most current state.

Just a suggestion. Since your initial post on the first page has a lot of broken images, you could replace it with all this information.

Just a thought, but shouldn't those say Z34, not 33? Or are they parts from a 350 instead? :ugh2: