Toyota, Honda must fess up to less vroom

[Zafiro]

LINK

 

[Mr. Mercedes]

It's been known for quite some time that the Japanese love overstating performance and output stats. Well at least for the US market they can't get away with it anymore , but it doesn't stop them from doing it everywhere else.

 

[NarutoRamen]

This is funny because overthere in Japan all the companies use to WAY understate their HP because of the gentlemen's agreement. The SupraTT, RX-7TT and the Skyline GT-R had more than 300hp but they use to say that all three had 276hp.

 

[YoungWarrior]

I heard its because of different equipment used to get the power ratings. The japanese government used old style ratings or somethign like that. Never the less the HP difference is very minimal. Only a couple HP.

 

[NarutoRamen]

no it's not because of older equipment...The Skyline GT-R was rated 276HP out of the factory but people dynoed it and were getting 320+ hp.

 

[Snake Vargas]

I think he meant that it was because of old equipment and testing methods and standards that the Japanese companies in America were getting those different numbers.

 

[Carbon]

no it's not because of older equipment...The Skyline GT-R was rated 276HP out of the factory but people dynoed it and were getting 320+ hp.

Those cars are exceptions that made more power than advertised, but the cars in question are changing their advertised output because the new SAE certified standard may cause different results in output. I'm guessing that the methods for power measurement just differed from SAE more for Japanese car designers than American ones.

Many manufacturers began switching to the new rating immediately, often with surprising results. The rated output of Cadillac's supercharger Northstar V8 jumped from 440 hp (328 kW) to 469 hp (350 kW) under the new tests, while the rating for Toyota's Camry 3.0 L 1MZ-FE V6 fell from 210 hp (157 kW) to 190 hp (142 kW). The first engine certified under the new program was the 7.0 L LS7 used in the 2006 Chevrolet Corvette Z06. Certified power rose slightly from 500 hp (373 kW) to 505 hp (377 kW).

 

[NarutoRamen]

I thought he was talking about the Japanese Gentlemen's agreement...Well yeah i know what you're saying about the new results though. It's weird how the US engines jumped in power while the Japanese dropped. I don't get how the equipment can be that different. Anyone care to explain?

 

[Snake Vargas]

It's more than equipment - I think it's also things like ambient temperature and such.