The engine is a twin turboed VH45DE, a 4.5 liter DOHC V8 found in the U.S. in the infiniti Q45. It is stated to develop 740hp but unfortunately there has been no 1/4 mile times to back it up. Here about all the info that I have found on the car:
Yuki Komiya was the designer and builder of the entire dual turbo, VH-45 V8 car project, including engine upgrades, suspension, body mods and interior. He had some backup help from his 2 car business fellow workers with some of the welding and paint, but he claims that he was "the man" that did virtually all the work. He said his project took 5 years to complete.

Mr. Komiya is 30 years old. His profession is "building custom cars" He and two others run a "tuning shop" in Japan called "RISING" which appears to me, from what he says, to be very active in campaigning super dooper modified, older Nissan based "drag cars" at the main tracks in Japan.

He claims the following for his 450Z

HP = 720 hp
Torque = 100 kgm
weight of car = 1080 kg
estimated 1/4 mile time = aproximately 10 sec
"goal drag time: 9 sec flat!!"

I think I might want to restore one someday.

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Quote, originally posted by Son of a B...5er! »

They didn't have the means to bend those pipes, so they built the curves from small pieces of straight pipe? Tell me if I'm just ignorant here but aren't there more sophisticated ways to build an exhaust?

Titianium is a bitch to bend, supposedly its easier and somewhat lighter to weld, though I don't really see how it would be any lighter.

X2.

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Its VH. No such thing as VQ45 yet.

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Much. But that would sort of take away from the mystique, at least in my eyes. The LS2/LS7 or whatever you put in there may be lighter, it may make more power, it may get better mileage, but it's still a Chevy in a Datsun/Nissan. I'm aware of the fact that the 4.5 in there has about as much in common with the car as a small block does, it just seems more fitting to drop in an Infiniti engine...

Twenty-five to thirty years ago, 240 Z's with Chevy small blocks were a dime a dozen, but nowhere near as nice as this car!
--Chuck--

Well, plus, this is Japan, where they don't just have small blocks laying around on the sidewalks.

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Ah. So the black helicopters are from Exxon. Gotcha.

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which is why I keep my underwear in a filing cabinet.

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that looks like the Ferrari 550

I like the plate too. "Eighth Prince", although I don't know what it means.

there was some pictures from carshow in Europe that people put US spec rubstrips with the reflectors in mk4's over there.

Yeah I've heard that USDM is a trend like JDM and "euro" is here in the states.

FS: Rebuilt ABA motor w/ forged internals, double head gasket and more. w/ labeled harness ($650)

OSD #20: Jettas, Powersteering, A/C, all of these things are for girls...

Quote, originally posted by Son of a B...5er! »

They didn't have the means to bend those pipes, so they built the curves from small pieces of straight pipe? Tell me if I'm just ignorant here but aren't there more sophisticated ways to build an exhaust?

Very few places in Japan have access to mandrel bending machines.

It's not nearly as easy to find one as here in the US.

It is actually more cost effective for them to cut-weld piping like this, not to mention it looks pretty cool when done this cleanly!

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Either way, I love this car. Does anyone know if the body of the car is stock? Were those rear fenders flared?

Definitely.

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