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Since the GTR first launched, each time Nissan have upped the power of the GTR from the MY09 GTR to the Nismo GTR, the increase from BHP has gone from 480hp to 590hp (Nismo), yet the torque has gone from 430 to 490 (Nismo).

My question is, if tuners say the can "safely" cap the torque at 600, then why hasn't Nissan tuned the Nismo with around 550-600 torques? I'm aware they need to use a Tune/Map for all climates etc but if we compare the figures to say an Ecutek Stage 1

Nismo: 591/490
Ecutec Stage 1 GTR 570/550

Seems like Nissan isn't too keen on tuning in a lot more Torque as the BHP goes up.

Thoughts?
 

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Long term reliability and the fact idiots can drive it like lunatics from cold without Nissan having to worry about warranty issues over 60,000 miles.

Tuners may be happy running at 600 lb/ft but when it breaks in two years if driven incorrectly who pays generally?

You do.
 

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My MY11 Litchfield stage one with 102mm downpipes and K&N panel filters and pipe made 569.21whp which equates to 653.21bhp roughly with 588lb of torque
 

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I have Litchfield Stage 1 and when i dyno'd my car i got 575.9 BHP and 590ft lbs of Torque :/ Had no clue it can be damaging to the car
 

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Since the GTR first launched, each time Nissan have upped the power of the GTR from the MY09 GTR to the Nismo GTR, the increase from BHP has gone from 480hp to 590hp (Nismo), yet the torque has gone from 430 to 490 (Nismo).

My question is, if tuners say the can "safely" cap the torque at 600, then why hasn't Nissan tuned the Nismo with around 550-600 torques? I'm aware they need to use a Tune/Map for all climates etc but if we compare the figures to say an Ecutek Stage 1

Nismo: 591/490
Ecutec Stage 1 GTR 570/550

Seems like Nissan isn't too keen on tuning in a lot more Torque as the BHP goes up.

Thoughts?
cos manufactures never push the boundaries and want to play it safe, just look at the RB26 - 280bhp (Gentlemans agreement in Japan) but when I got my R33 and dynoed it in the UK it was more like 320bhp

The R35 is as was the RB26 over engineered and engine wise is good for a lot more then the "standard" however it's the drive train inc gearbox that really suffers :bowdown1: (if your not careful)
 

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PS Litchfield Stage 2.5 custom map 600bhp and 620 ft Lbs of torque (Cir-clips and Bell housing mods done)
 
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