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steve millen design smx
Soon to be the keeper of Nissan's performance flame, Stillen maximizes a Maxima.

Sit Down and hold on to something immovable. After the 1996 model year, the sportiest car available stateside from Nissan- the company that gave the U.S. the original Datsun 240Z, the 300ZX sports car (a seven year C/D Ten Best Winner), and the late Sentra SE-R(a four-year Ten Best Winner)- will be the 240SX. The 240Sx's normally aspirated engine makes a tame 155 horsepower. Its steering is somewhat slow, and its ride pleasant. When we last looked at a 240SX, we proclaimed it "the sports coupe to buy for your niece."

Don't blame Nissan for its change of heart. Rather, you car buyers out there should look in the mirror. The 300ZX has been on a downward sales slide since the most recent model's introduction in 1989. The Sentra SE-R never topped eight percent of total Sentra sales in the four years it was offered.

Rumor has it, though, that even Nissan is concerned that its product line may be straying too far from the racetrack. Which helps to explain why the company is maintaining a close relationship with Steve Millen Design, also known as Stillen, an aftermarket parts and performance-car operation owned by Steve Millen. Millen won two IMSA GTO/GTS driver's championships behind the wheel of a factory-prepared 300ZX. That racing experience inspired the #00ZX-based SMZ, which the company began selling in 1994, and which we reviewed last June. Although the company sells performance and visual tricks for domestic trucks and other imports, the Stillen catalog is dominated by Nissan and Infiniti hop-up parts. Currently, Millen's 100 Man operation in Costa Mesa, California, is working on heating up the 200SX, in an almost-factory effort to establish that Sentra SE-R replacement as Nissan's performance flagship. A very ambitious goal.

We'll leave that endeavor for a future issue. Steve Millen Design's latest effort is the SMX, a version of the Maxima. Like the SMZ, the package includes appearance, handling, and power modifications. The package price of $7995 (on top of the Maxima SE's base price of $23,099) is steep, but there's more to it than meets the eye- meaning more than the SMX's grille inserts, its front and rear bumpers, rocker panels, and decals, and its beautiful Momo *.0-by-17-inch allow wheels. Stiffer progressive rate springs lower the Maxima's ride height 1.25 inches. Inside those Momos are stock brake rotors that have been cross drilled for improved cooling and reduced fade.
Lift the hood, and you'll find the brushed-aluminum strut tower brace for front end stiffness. Under the brace lurks a "high-flow intake system" for the Maxima's 3.0-liter DOHC V-6. It consists of a carefully polished aluminum intake horn behind the cone-shaped K&N air filter and effectively eliminates any restriction in airflow across the filter. Aft the catalytic converter is an aluminized exhaust system that reduces back pressure and has a chrome rear tip. The company claims these breathing improvements result in a 17-horse increase to 207, and a torque bump from 205 to 219 pound-feet.

The SMX's cabin is spruced up with custom floor mats, a numbered dash plaque, and a carbon-fiber shift knob (for manuals only). Some SMX parts will be sold separately , but the SMX badges are integral to the package. Our test car had a few more Stillen options, including larger cross-drilled rotors ($65), a painted rear win ($530), window tinting ($150), and a short-throw shifter ($360).

The shifter's new found precision is a foretaste of the rest of the SMX. The stock Maxima's tipsy body roll at the limit is excised by the SMX's handling package, which imparts flatter cornering and more responsive steering to this Maxima. Some credit foes to the big Yokohama P235/45R-17 AVS tires, which also play a part in the SMX's 0.84-g cornering ability, a laudable 0.09-g step above our long term Maxima SE's when it was new.

The second obvious change can be heard as well as felt. Above 4000 rpm, the uncorked V-6 spits our a healthy, honking growl-a fine imitation, we notice, of Acura's whooping NSX V-6. The noise- all 87 decibels of it at full throttle-make the SMX certainly feel faster than stock. And it is. The Steve Millen Design sedan will grab 60 mph in 6.4 seconds. That's .3 second ahead of our long-term Maxima when new, and it's right up there with the previous generation Taurus SHO, a front-drive hot-rod sedan benchmark. The quarter-mile at 15.1 seconds is only 0.2-second improvements, though, and the speed advantages subsides from there. This suggests that the SMX owes much of its 0-to-60 improvements to the launch of those sticky Yokos. Top speed is 2 mph higher than the Maxima SE's, at 139 mph.

Steve Millen Design's test car came without the anti-lock brakes that have been fitted to all Maximas we've tested, so making a direct comparison of braking numbers isn't possible. Without ABS, detecting wheel lockup was difficult, and our best 70-to-0-mph stop used 196 feet. That's not terribly impressive for a performance sedan. (The long-term Maxima accomplished this in 187 feet on two tire sizes smaller.) Suprised at this weak performance, we looked between the Momo spokes and noticed severely worn front pads. Apparently, our car was fitted with stick pads by mistake, instead of the high-metal pads sells for $104 a set. Millen says that those pads fit without clearance problems and actually brake much better.

Even with the distressed pads, Stillen's cross drilled rotors kept fade to a minimum. The ol' panic pedal never went limp during a half-dozen laps at Willow Springs International Raceway's Streets of Willow, a track known to be hard on brakes. The SMX took to the streets unlike any street Maxima. The big tires would scrape a fender once in a while, otherwise, the SMX's hunkered-down roll control, ample grip, and terrific balance (accompanied by that NSX soundtrack) made us feel like lapping all afternoon.
Other than the poor brake pads, and tire interference at full lock of the steering wheel, we could find no other foibles on Millen's black beauty. (Okay, one more. Viewed from the side, the drooping front spoiler make the SMX look slack jawed.) Of course with a base price of $31,094-that's more than an Audi A4 Quattro and up there with the BMW 328i and the Lexus ES300-we would expect few foibles.

The SMX feels a little raw compared with those cars. Performance-wise, though, it can hold it's own. That's good news for the Nissan fans, and better news for Steve Millen. After all, in the foreseeable future, if a hot-rod Nissan is what you're after, Stillen may be where you'll have to go.

Vehicle type type: front-engine, front wheel drive, 5 passenger, 4-door sedan
Price as tested:$32,784 (base price: $31,094)
Engine type:DOHC 24-valve V6, aluminum block and heads, Nissan engine- control system with port fuel injection
Displacement-183 cu in, 2988cc
Power (SAE net)-207 bhp @ 5250rpm
Torque (SAE net)-219 lb-ft @ 4500rpm
Transmission- 5-speed
Wheelbase-106.3 in
Length- 187.7 in.
Curb Weight-3080 lbs.
0-60 mph- 6.4 sec.
0-100 mph- 18.5 sec.
0-130 mph- 54.3 sec.
Street Start 5-60 mph- 6.9 sec.
Standing 1/4-mi.- 15.1 sec. @ 92 mph
Top speed (drag limited)- 139mph
Braking, 70-0 mph- 196ft
Roadhandling, 300 ft. dia-skidpad- 0.84 g
EPA fuel economy, city driving- 22 mpg

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