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Old 03-24-2008, 02:06 PM   #1
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Default Nissan GTR Owners Will Have Problems With Modification

Japanese GT-Rs are speed-limited for the street: As has been widely reported, unless it's driven on a preapproved racetrack, a stock Japanese-spec GT-R is limited to 180 kph (111.8 mph) with the factory settings. GPS sensors in the navigation system track vehicle position and communicate with the ECU. Try to exceed 180 kph, and a warning light will appear on the instrument panel. Only shutting the car off and restarting it will get the light to disappear.

But can be run all-out at the track: Running a GT-R at the track requires scrolling through menus in the on-board computer and selecting the racetrack option that bypasses the speed limiter. Only then can the car be run to its full potential.

Though it'll cost you: Once the track day is over, owners who have run their GT-Rs over the speed limit are required to take them to a preapproved Nissan High Performance Center for a safety check. Failure to perform this $1000 service will void the factory warranty.

As for the wheel and tire rumor: That the factory wheels cannot be removed without sending an error code to the ECU, MINE'S has proven this myth wrong. It's been able to take off wheels, rotate them, and even change to higher-performance, non-run-flat tires. It did have to take the wheels to the Nissan dealership to get the job done at great expense; MINE'S ended up paying about $230 per wheel in labor.

Putting aftermarket rims on a GT-R is a different story: Because of a sensor located near the valve stem in each wheel, it isn't possible for the car to run on aftermarket rims without throwing an error code. All blinged-out GT-Rs at Auto Salon got there on stockers and only then were the shoes changed.

Some mild mods are possible: MINE'S has modified the exhaust system and a replacement air-filter element, both of which have reportedly made substantial extra power. It's also upgraded the brake rotors and switched to GT-R's suspension system to a coil-over system with no ECU problems.

But not all: MINE'S has tried replacing the factory air box and intake system with a high-flow cone-style system, but found its car will not run right. Raising the boost pressure on the twin turbos, a common way to increase power, also triggered errors in the extremely sensitive ECU.
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Old 03-24-2008, 02:18 PM   #2
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Old news
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Old 03-24-2008, 02:19 PM   #3
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Interwebz too big, can't read it all at once.
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Old 03-24-2008, 02:26 PM   #4
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It's the same **** with the MZR turbo engines from Mazda. The first year there were big problems just engineering a CAI that wouldn't throw a cel. There are 3 piggybacks for it now, including Xede (thanks Bell for making a PnP harness for MS6) but really only a handful of companies doing anything for the MS6/MS3... the Nissan gurus will figure it out with the GTr, it'll just take awhile and be absurdly expensive.
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Old 03-24-2008, 02:55 PM   #5
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So basically what they say about the new GT-R is true,a overpriced,overhyped money pit.
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Old 03-24-2008, 03:20 PM   #6
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If they made them easy to modify, every ******* who bought one would throw on a ton of aftermarket ****, break it, and then bring it back for expensive warranty service.
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Old 03-24-2008, 04:37 PM   #7
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If they made them easy to modify, every ******* who bought one would throw on a ton of aftermarket ****, break it, and then bring it back for expensive warranty service.
aka EVO/STI.
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Old 03-24-2008, 04:47 PM   #8
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First I have heard of this. This is exactly why I won't buy new cars. I can go out to my Miata and do just about anything I want and it will be fine. Cars today throw codes ALL the time. Hell, tire pressure sensors are getting so sophisticated you need to hook up a dealer scanner to turn them off.

I'm happy with obd1.
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Old 03-24-2008, 04:48 PM   #9
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...and my reasoning that Porsches are better still stand. LMAO at the suckers that buy the new GTR.
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Old 03-24-2008, 04:49 PM   #10
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True for the evo/sti comment, but GT-R cost more.

The thing is, for a 911 turbo, there are none of these restrictions. It's not as technically capable of a car. However, it was their goal and as such i think they should have kept limitations to this degree to a level that is manageable. I honestly think someone started realizing the car would throw a CEL for a bunch of random things, then someone said "wait...lets see how far we can take it"
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Old 03-24-2008, 05:28 PM   #11
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Quote:
Originally Posted by miataspeed1point6 View Post
First I have heard of this. This is exactly why I won't buy new cars. I can go out to my Miata and do just about anything I want and it will be fine. Cars today throw codes ALL the time. Hell, tire pressure sensors are getting so sophisticated you need to hook up a dealer scanner to turn them off.

I'm happy with obd1.


Its also ridiculous that you have to pay $500-700 on mandatory service which comprised of rotating tires, new plugs, and a new pollen filter.

Last edited by hustler; 03-24-2008 at 05:40 PM.
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Old 03-24-2008, 05:32 PM   #12
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Well it is fast as ****, and has a back seat...
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Old 03-24-2008, 06:14 PM   #13
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thats why im waiting for nc msm... i think im gonna pick one up early next year
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Old 03-24-2008, 07:12 PM   #14
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Originally Posted by Braineack View Post
Interwebz too big, can't read it all at once.
Bhahaha, good one.

Even though it's hard to modify, the car is still fast as hell, it doesn't really need much done to it. It's just fast, I never been in one but according to all the tests and review it's a beast. Just go read the new road and track magazine review.
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Old 03-25-2008, 04:19 AM   #15
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Also with all this wah wah ECU codes someone will crack the ECU and have a flash for it or someone will make a stand-alone. bam problems solved.
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Old 03-25-2008, 02:15 PM   #16
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mine's already cracked the ecu
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Old 03-25-2008, 06:25 PM   #17
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Leave the 911TT for the boulevard posers. I still would rather have the Porsche GT3 over a Nissan GTR anyday. The Porsche GT3 is worth the extra coin it would cost.
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Old 03-26-2008, 04:27 AM   #18
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Leave the 911TT for the boulevard posers. I still would rather have the Porsche GT3 over a Nissan GTR anyday. The Porsche GT3 is worth the extra coin it would cost.
cept when the GTR handed you your *** then what? least you can roll down the strip and pick up wimmen and blow?
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Old 03-26-2008, 11:24 AM   #19
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Leave the 911TT for the boulevard posers. I still would rather have the Porsche GT3 over a Nissan GTR anyday. The Porsche GT3 is worth the extra coin it would cost.
I put down 3 laps in a gt3 rs and it scared me. I don't think I'd drive one.
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Old 03-26-2008, 03:00 PM   #20
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cept when the GTR handed you your *** then what?
Then.. accelerate somewhere over 111mph and challenge him/her to follow.
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