Quad Charged R35 GT-R

[themadscientist]

staged supercharging, nothing new. The first unit pressurizes the charge then the second squeezes it even harder. Competetive pulling tractors sometime run three stage systems and I remember the LVs trucks we had in the military had a monster turbo feeding an equally monstrous roots blower. Those are diesels though, they like pressure that can generate spontaneous combustion.

[Kalypso]

I get it... so they done impede each other once boost kicks into the turbos its forces their increased boost pressure - past the superchargers tract and they simply take over...

that makes sense, I see no reason for a blower to inhibit air flow from the turbos they jus tblow right past.

in fact the blower is great cause it helps spool the turbos at low RPM's

why dont more people do this? to ls1's for example...besides price.

[themadscientist]

Needless complexity, expense, and weight. There is very little practical advantage to this exotic, pricey, and heavy system over a properly selected set of larger turbos. The main problem with the turbos on the new GT-R is the exhuast manifold and turbine housing are one piece. upgrade turbos would likely be stock wheels and cartridges with bigger front ends or kits with new exhaust manifolds with T2 flanges.

Yet one more reason I don't like this car.

[Kalypso]

hopefully some proper t3 flanged manifolds and turbos will be made to see what the vr38 can do.

what parts do you think will fail fastest as the boost increases?

[themadscientist]

there is so much whiz-bang silliness in that engine and that car who could easily guess? The R35 is so ghey ice tea poured down the hood hits the ground sweet.

[Kalypso]

you hate the r35 as much as I hate rota's and knockoff wheels.

[themadscientist]

I think at least half the reason I detest the gizmo-R is not the car itself but what it represents. The things both good and bad that debut on flagship cars eventually trickle down to regular models. The gulf between driver and car will continue to widen leaving those of us who like to actually drive our cars assed out.

[SullivanRacing06]

im sorry but i think they should of kept the rb alive, although with better turbos (no ceramic exhaust wheels), a draining mod on the back of the head, and a fixxed crank collar! g/d thats why every one hates the r32 26, bc of them breaking oil pumps!

nissan bring the 26 back!

[Kalypso]

a draining mod on the back of the head, and a fixxed crank collar! g/d thats why every one hates the r32 26, bc of them breaking oil pumps!

I was looking for that simple list all along....

drain mod I knew. ceramic wheels a given.

crank collar? ... its google time.

[themadscientist]

The RB26 is over 20 years old, older than you actually. Think about that Every engine comes to a point in its life where it is time to retire. If Nissan did what you suggest the RB26 would have never come to be, we would have the 16th generation of L28. Not that that is a bad thing, the L is still a bruiser, but it is a dinosaur. The RB enjoyed a long tour of duty but it was time to put another player in the game. I am not saying I like the V brothers but I understand why Nissan went that way.

[Kalypso]

why did they go that way...

and yes my shifter 15 degrees to the right would suck

[themadscientist]

well Carlos doesn't run his business decisions by me anymore. When he showed me the new R's design I called him a crackhead and questioned his manhood.

The RB26 was old and not perfect. The displacement was small and with Japanese manufacturers embracing increasingly larger sizes it would not keep up with the trend. The straight six, while advantageous from a simplicity point of view, limits the chassis it can be placed in. The VQ and later VR are shorter and easier to package for weight distribution and add substantial displacement. Starting fresh with a new engine allowed them to design a motor from the ground up that would encompass the emerging technology. The uber tech valvetrain in the VR would require a whole new head casting to fit to the RB leaving just the block original, a block that has been shown to have flaws. So, why patch an existing dated design when it would be easier, likely as fast, and potentially more cost effective in the long run to design a new engine?