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New STI Spec C


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http://www.nzherald.co.nz/motoring/news/article.cfm?c_id=9&objectid=10586974[/url] ]

All-wheel drive specialist Subaru has introduced a harder-edged version of the Impreza WRX STI - but just 900 examples will be available in Japan.

Based on the Impreza WRX STI, the WRX STI Spec C model features enhanced engine and chassis parts and a lighter body. Among the improvements is a water spray for the inter-cooler to prevent increases in intake-air temperature, providing improved engine efficiency.

The current STI doesn't have a water spray for the inter-cooler, although previous STI models did. It is understood the rally industry pushed for the change and Subaru built the 900 special-edition examples for homologation purposes. The turbocharger turbine shaft has new ball bearings and the engine control unit programme has been retuned.

This provides quicker throttle response and improved acceleration, says the carmaker. The Spec C is rated at 227kW at 6400rpm and 422Nm of torque at 4400rpm.

Subaru says the specially designed front and rear suspension and improved body rigidity offers stable and linear driving control even in marginal driving conditions, and greater oil flow in the power steering provides a firmer steering feel.

The adoption of an aluminum bonnet and a smaller, lighter battery aids manoeuvrability with less weight over the front wheels, while laminated side and rear window glass result in a lighter body with a lower centre of gravity, which further polishes the WRX STI Spec C's performance.

Reinforcement of the front cross member offers a greater linear steering response, says the carmaker. Changes in damper ratings, coil spring rates, rear stabiliser and rear sub-frame bushes improve rigidity to counter body roll and retain the car's excellent road-holding.

The rear limited-slip differential has been changed to a mechanical type from a Torsen diff to improve traction during cornering.

Bridgestone Potenza RE070 (245/40R18) tyres are used on the lightweight 18-inch alloy wheels which reduce unsprung weight to improve cornering ability and road holding.

A tyre repair kit is standard, instead of a full spare wheel to reduce weight. Gold-coloured Brembo brake calipers are also standard.

Buyers have the choice of standard bucket seats, or Recaro seats sporting alcantara and leather combination with red stitch. Two exterior colours are available: yellow and white.

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Guest loren
 Qwerty said:

it seems a bit of a yawn compared to the spec c's of the past...

in what way? it's lighter, more rigid, better suspension... does it have more power?

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 loren']

[quote name='Qwerty said:

it seems a bit of a yawn compared to the spec c's of the past...

/quote]

in what way? it's lighter, more rigid, better suspension... does it have more power?

and i quote

"The turbocharger turbine shaft has new ball bearings and the engine control unit programme has been retuned."

"This provides quicker throttle response and improved acceleration, says the carmaker."

One would expect small gains yes

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Im sure it goes better than the std Sti but

"The current STI doesn't have a water spray for the inter-cooler, although previous STI models did." LOL

"The adoption of an aluminum bonnet "

I seem to remember the old cooking model Sti's use to have that as well !

Its tuned to make a bit more power than stock but thats not exactly hard to do either.

So yawn

Its no striped out megane r26 hard core racer either.

Sti's have lost the cutting edge.

You could easily make a 400hp 2.0 Sti spec C - that might make up for the bloated Sti hatch we have now.

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Guest loren

yeah, I guess the addition of alloy bonnets and IC sprayers just shows how very lame the standard STi has become.

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So buy a brand new Spec C, strip it, and dump the entire running gear/ engine/ gearbox into an 1100kg GC8 RA or R. You might even recoup the cost of the conversion selling the brand new rolling shell. That would have to be the fastest 'stock' STi ever.

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i think the point is here that the new STi is a substantially better blank canvas than almost any STi before.

Tuning houses will no doubt make it even quicker than its older siblings. The cars have become successively more refined, smoother etc but to a lot of us have lost that "hard core" edge.

Its not necessarily a bad thing, merely different. Under the softer shell lurks a beast waiting to be unleashed im sure.

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