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R33 GTS 511rwhp-Stock injectors DYNO

magic1

By magic1,
in Engines & Forced Induction

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DoughBoy Veteran

DoughBoy

Posted
Posted

Nice effort Tristan, for a street car that's more than enough power - especially in a 2WD.

That dyno mpg shows a few things which have been a source of questions though. I can recall Paul or Steve saying that the reason why intake temps are so high on their dyno is due to the fact they run it with the bonnet shut. That run clearly shows the bonnet open, and if you look on the dyno sheet it shows the intake temp up at 63 degrees.

To the best of my understanding, all dyno's record an uncorrected level of torque, then reference that to RPM and calculate power. After that primary calc is done it then factors in the correction, which is based on humidity, temperature and altitude. I know that's a basic rundown of the whole she-bang but for the sake of this arguement it will do.

If you run those weather conditions through a dyno correction calculation it actually multiples the amount of power recorded, mainly due to the extremely high intake temps. Hang on will do the math and post the actual correction factor.

So just a quick question - where is the intake temp probe situated?

Don't be hasty and think I'm having a go at the car, it's owner, the workshop, your pet etc. I'm more interested in the correct way to extrapolate consistent data from a dyno, moreso than what is currently being shown.

Attachment of the graph: http://www.skylinesaustralia.com/forums/at...achmentid=25240

Roy Grand Master

Roy

Posted
Posted

LOL...for gods sake you are in a workshop...take the tie off:) i flinched when i thought you were about to lean over the engine bay, i have weak nerves so pls dont lean over a running engine with your tie on :)

Seems to come onto boost nice and hard....what boost was the thing running?

Skyrine-Dave Mentor

Skyrine-Dave

Posted
Posted
LOL...for gods sake you are in a workshop...take the tie off:)  i flinched when i thought you were about to lean over the engine bay, i have weak nerves so pls dont lean over a running engine with your tie on :)

Seems to come onto boost nice and hard....what boost was the thing running?

I too cringed like a little girl when i saw dude in tie lean over the engine bay!!

hungry6 Experienced

hungry6

Posted
Posted

I'm over the whole scene of this 511 hp stock injectors car cr*p. Until someone post up a mph that reflects the representation of the claimed hp. So until then it's still a claimed effort , and i'm claiming mine to have 900hp atw, and i'll post the dyno sheet tonight, But don't hold your breath on that one either.

[D1 RX7] Enthusiast

[D1 RX7]

Posted
Posted

hungry6 your a tosser. In the other thread tristan said that the 511 was an overinflated figure. If you watched the video, youd see it shows 438rwhp, which is the CORRECT figure. And yes on STOCK injectors. So take you 900rwhp dream machine and fly elsewhere, when you actually have a car worth posting about, then dish out on others...

tosser

josh

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

be nice everyone. Im not going to be nice this time :)

boost seems to come on like a hammer!

My car is sooo nice and progressive with my GT30 compared to that, very savage!

tough to drive on the street?

magic1 Community Regular

magic1

Posted
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Posted

Doughboy. the air probe is right in front of the compressor housing, my air filter is causing a minor restriction so i took it off before the dyno run.

Roy. Peak power the turbo is running 18psi

sorry dave wont wear a tie next time.

Crack. about 6500rpm to get that figure

Hungry6. . <- you

D1 RX7. nice bit of chop dished there.

r31nismoid. you dont have to pump the clutch to get it to break traction, your coming to perth, you can have a drive.

tristan

RB20LagWagon Proficient

RB20LagWagon

Posted
Posted
']hungry6 your a tosser. In the other thread tristan said that the 511 was an overinflated figure. If you watched the video, youd see it shows 438rwhp, which is the CORRECT figure. And yes on STOCK injectors. So take you 900rwhp dream machine and fly elsewhere, when you actually have a car worth posting about, then dish out on others...

tosser

josh

Then why did he topic this thread with 511 rwhp?

There is only one tosser here and it aint hungry6

Skyrine-Dave Mentor

Skyrine-Dave

Posted
Posted
Prolly shootout mode which is made to compensate for inconsistensies on the day of the dyno run.Correct me if i am wrong.

You are wrong.

The 511hp was made at Perth Auto Salon using a hub dyno.

Autosalon figures should be taken with a large grain of salt, cuz in the end, their only purpose is to put on a show.

The 438hp was on a dyno dynamics dyno in shootout mode. Which is a fairer representation of the cars true power. Since Dyno Dynamics dynos are widely used when comparing HP figures.

The first thread said 511rwhp on stock injectors, people questioned the figure and wanted to know how it could be done on stock injectors.

It was then acknowledged by the workshop in question that 511rwhp was a BS figure and the cars true power was ~450hp, which has been shown on the recent dyno.

This whole debarcle is over a big HP figure being made on stock injectors, people questioning how it can be done on stock injectors and other people not telling how it was made.

I'm just here to enjoy the resulting show :)

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