Dealership to Dyno: Our FR-S gets measured

[Bahraini86]

Seems like the pull was done in 4th, I thought the 1:1 gear is 5th on the manual. Can u confirm that?

[tonystewart]

yes fifth is 1:1 sixth is .77 and fourth is 1.21 on the automatic
fourth is 1:1 on the manual

[CrazyTacoRacer]

Does no one let there shit break in anymore?
I've been involved with a lot of motorsports racing and even hold records to date in land speed racing. And through all this you never see someone base horsepower numbers on what the engine does just after assembly. I don't mind the fact that people have gone straight to the dyno without completeing a proper break in procedure, hell its their engine and it tells me later how much power was missing prior to the break in. I could go on for hours about why a break in is important and how everything "breaks in" but I'm afraid it would fall on def ears. I've see everyone pissed off though the years when a manufacture say that a car is going to produce X horsepower but when it is finally released making 5hp less the public responds with pitch forks looking for blood. well I hate to inform everyone that it is not uncommen to loose up to 5% of the potential horsepower do to improper car care while the vehicle is going through its most delicate time ever.

Moral of the story don't base the horsepower number on anything that you don't know was properly broken in. and remember that DYNO packs or hub dynos will show a slightly more favorable number than a wheel dyno.

By the way read your owners manual it tells you how to break in you car.
Below 4k RPM for the first 1000miles and no hard acceleration or braking. and don't cruise at one constant speed. If you have not lived by this than don't expect that engine, transmission and differential to be as efficient as it might be if it were done correctly.

[mattles]

Originally Posted by tonystewart

yes fifth is 1:1 sixth is .77 and fourth is 1.21 on the automatic
fourth is 1:1 on the manual

Sir, I believe you have mixed up these transmissions as evident by this image:



The 6MT has shorter gear ratios than that 6AT, the 6MT 5th gear is 1:1 whereas the 6AT has 4th at 1:1.

[Arsenal Autosport]

Originally Posted by CrazyTacoRacer

Does no one let there shit break in anymore?
I've been involved with a lot of motorsports racing and even hold records to date in land speed racing. And through all this you never see someone base horsepower numbers on what the engine does just after assembly. I don't mind the fact that people have gone straight to the dyno without completeing a proper break in procedure, hell its their engine and it tells me later how much power was missing prior to the break in. I could go on for hours about why a break in is important and how everything "breaks in" but I'm afraid it would fall on def ears. I've see everyone pissed off though the years when a manufacture say that a car is going to produce X horsepower but when it is finally released making 5hp less the public responds with pitch forks looking for blood. well I hate to inform everyone that it is not uncommen to loose up to 5% of the potential horsepower do to improper car care while the vehicle is going through its most delicate time ever.

Moral of the story don't base the horsepower number on anything that you don't know was properly broken in. and remember that DYNO packs or hub dynos will show a slightly more favorable number than a wheel dyno.

By the way read your owners manual it tells you how to break in you car.
Below 4k RPM for the first 1000miles and no hard acceleration or braking. and don't cruise at one constant speed. If you have not lived by this than don't expect that engine, transmission and differential to be as efficient as it might be if it were done correctly.

There are many different methods and ideals when it comes to engine break in. We were fortunate to have a chassis dyno on the way home and wanted to get a quick baseline. For an engine that is raced and going to be modified we're not too worried about getting to the 200k mile mark. We've always broken engines in the way we intend to use them, well change the oil this week and she'll be on the race track this weekend getting enjoyed.

The shop the dyno was performed at hold quite a few records in it's own book and builds the most powerful Toyota engines on the planet. It was less than ideal conditions with the summer heat and humidity here so I agree the results should be taken with a grain of salt, however for comparison purposes it's a great way to see the starting point.

[mattles]

I would also like to point out one error in the above image, the 6MT is not designated as theRA62, its the TL70 which is derived from the Aisin AZ6 unit.

[Boosted2.0]

Originally Posted by Arsenal Autosport

There are many different methods and ideals when it comes to engine break in. We were fortunate to have a chassis dyno on the way home and wanted to get a quick baseline. For an engine that is raced and going to be modified we're not too worried about getting to the 200k mile mark. We've always broken engines in the way we intend to use them, well change the oil this week and she'll be on the race track this weekend getting enjoyed.

The shop the dyno was performed at hold quite a few records in it's own book and builds the most powerful Toyota engines on the planet. It was less than ideal conditions with the summer heat and humidity here so I agree the results should be taken with a grain of salt, however for comparison purposes it's a great way to see the starting point.

You could just come out and say Titan....



We'll be dynoing ours on our Dynojet 424xLC2 tonight.

[tonystewart]

http://www.ft86club.com/forums/showthread.php?t=5404

This post has the gear ratios