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Search: Posts Made By: Wink
Forum: General Nissan R35 GT-R Chat 6th January 2009, 05:12 PM
Replies: 2
Views: 695
Posted By Wink
To go from chassis dyno torque to the homologated...

To go from chassis dyno torque to the homologated torque curve is a bit @rse even with a good measurement of the drivetrain losses. From the engines point of view, the plenum in temp is controlled on...
Forum: General Nissan R35 GT-R Chat 16th December 2008, 09:35 AM
Replies: 42
Views: 6,807
Posted By Wink
Do you want to know the REALLY funny thing? ...

Do you want to know the REALLY funny thing?

Both the V10 Audi and GTR engine were developed at exactly the same place! The Audi engine would have even been tested on the exact same dynamometers!
Forum: General Nissan R35 GT-R Chat 7th October 2008, 05:25 PM
Replies: 0
Views: 529
Posted By Wink
When is the next meeting at the ACE Cafe?

......I might come along to have a look at an R35 if there are going to be any there???
Forum: Technical Chat 7th October 2008, 09:39 AM
Replies: 43
Views: 6,048
Posted By Wink
Engine should be fine on US91 (as you said, it's...

Engine should be fine on US91 (as you said, it's ron+mon/2), which is the same as Euro 95 RON...but engine engine was optimised on 98 RON, and it is quite badly detonation limited at all engine...
Forum: General Nissan R35 GT-R Chat 7th April 2008, 03:44 PM
Replies: 3
Views: 2,047
Posted By Wink
It only has a single pick up point....in the...

It only has a single pick up point....in the middle of the deep bit of the sump at the front. This is a bit of a special design in the fact that it is quite heavily bellmouthed (like a Porsche 959...
Forum: General Nissan Skyline Chat 10th December 2007, 01:42 PM
Replies: 45
Views: 6,696
Posted By Wink
Typical figures of Standard Deviation of...

Typical figures of Standard Deviation of Indicated Mean Effective Pressure (SDIMEP) and Covariance of IMEP (CoV IMEP) for this engine would be 0.08 and less than 2% under all warm engine speeds/load...
Forum: General Nissan Skyline Chat 3rd December 2007, 02:50 PM
Replies: 45
Views: 6,696
Posted By Wink
"The AFR entering the cylinder is what is...

"The AFR entering the cylinder is what is actually burned in the mix - this is the manipulated value. Unless you are measuring that directly, there is no closed loop control....blah"

At part load...
Forum: General Nissan Skyline Chat 26th November 2007, 04:50 PM
Replies: 45
Views: 6,696
Posted By Wink
"The Lambda sensor is only providing an estimate...

"The Lambda sensor is only providing an estimate of AFR at inlet, which is all it can do, being in the exhaust."

Errr, not sure what I understand what you are saying?! Obviously the lamda sensor...
Forum: General Nissan Skyline Chat 26th November 2007, 09:00 AM
Replies: 45
Views: 6,696
Posted By Wink
Gross horse power....depends which standard it is...

Gross horse power....depends which standard it is measured using.....gross can mean no accessories attached, but SAE DIN gross is measured with no inlet and exhaust backpressure too. As a rule for a...
Forum: General Nissan R35 GT-R Chat 21st November 2007, 04:14 PM
Replies: 41
Views: 9,576
Posted By Wink
"I strongly strongly believe that the RBs will go...

"I strongly strongly believe that the RBs will go into the new GT-R."...heh? You mean people may fit this engine afterwards, cos obviously Nissan won't fit it as it doesn't achieve ULEV2 emissions...
Forum: General Nissan Skyline Chat 21st November 2007, 02:26 PM
Replies: 45
Views: 6,696
Posted By Wink
"I don't think you've grasped what I'm saying....

"I don't think you've grasped what I'm saying. The AFR and ignition are changed dynamically, so they should be adjusting during the run to maintain the target torque, as per model curve."
...
Forum: General Nissan R35 GT-R Chat 21st November 2007, 09:57 AM
Replies: 41
Views: 9,576
Posted By Wink
"So is the engine stronger than the RB26 or what?...

"So is the engine stronger than the RB26 or what? Since there are 3 different blocks how can you know for sure if it is stronger? I say the GT block is still on its level if you ask me. But hey...if...
Forum: General Nissan Skyline Chat 21st November 2007, 09:34 AM
Replies: 45
Views: 6,696
Posted By Wink
Brake horse power and net horse power are the...

Brake horse power and net horse power are the same thing....the brake is the engine dyno mounted off the flywheel so all engine friction and accessories losses (although the accessory load is small)...
Forum: General Nissan Skyline Chat 19th November 2007, 03:55 PM
Replies: 45
Views: 6,696
Posted By Wink
Oh yes, just read your notes again.... yep,...

Oh yes, just read your notes again....

yep, you are right, there is no feedback on torque, so is all predictive, but will be flat for each engine from its baseline if that makes sense!
Forum: General Nissan Skyline Chat 19th November 2007, 03:53 PM
Replies: 45
Views: 6,696
Posted By Wink
R33 blah, you are all over the place man:chuckle:...

R33 blah, you are all over the place man:chuckle:

I'll try and answer you questions...

"Within 2-5Nm now?* So that's not flat is it? Does the graph posted show these 5Nm variations? No. The...
Forum: General Nissan R35 GT-R Chat 19th November 2007, 01:40 PM
Replies: 41
Views: 9,576
Posted By Wink
"The Nissan GT-R powerplant is derived both from...

"The Nissan GT-R powerplant is derived both from Nissan's Racing V8 engines and the extremely successful VQ series engines. In essence it is a modern day hybrid of racing technologies, and proven...
Forum: General Nissan R35 GT-R Chat 16th November 2007, 11:00 AM
Replies: 41
Views: 9,576
Posted By Wink
Oh yes, King Nismo and bonzelite, check all my...

Oh yes, King Nismo and bonzelite, check all my other posts to see if I'm a man who should know or not.

A few other snippet for you monkeys....

Piston pin diameter 23mm
Piston compression...
Forum: General Nissan R35 GT-R Chat 16th November 2007, 10:28 AM
Replies: 41
Views: 9,576
Posted By Wink
You guys..... "KNOW for a fact a stroker...

You guys.....

"KNOW for a fact a stroker kit will come out for it. 3.5L to 4.2L".

The VQ35 engine has a deck height of 215mm from memory, pretty much limiting it to 3.5L. The GTR engine has a...
Forum: General Nissan Skyline Chat 13th November 2007, 09:36 AM
Replies: 45
Views: 6,696
Posted By Wink
If you notice from the graph is actually looks...

If you notice from the graph is actually looks like pk power is at 6000 rpm.

Anyway, R33, you are an amateur......no worries though, you are sort of right without realising!!!! There is no doubt...
Forum: General Nissan Skyline Chat 13th November 2007, 09:25 AM
Replies: 45
Views: 6,696
Posted By Wink
"itís just that the curves are tweaked to fit...

"itís just that the curves are tweaked to fit after the test".

This engine EMS for this is a TORQUE STRUCTURE! I bet you don't know what that is do you R33.....I know, tell us with a series of...
Forum: General Nissan Skyline Chat 12th November 2007, 11:55 AM
Replies: 45
Views: 6,696
Posted By Wink
Opps, torque at pk power is 365 lbs.ft = 490 Nm...

Opps, torque at pk power is 365 lbs.ft = 490 Nm ish!!
Forum: General Nissan Skyline Chat 12th November 2007, 11:47 AM
Replies: 45
Views: 6,696
Posted By Wink
"I've seen plenty of flat torque curves claimed...

"I've seen plenty of flat torque curves claimed before and subsequent dyno and in-gear acceleration tests have proved them to be wrong".

Exactly....these are transient, not steady state. The...
Forum: General Nissan Skyline Chat 6th November 2007, 10:12 AM
Replies: 45
Views: 6,696
Posted By Wink
Oh yes, and your maths is wrong, sorry.... ...

Oh yes, and your maths is wrong, sorry....

490Nm (ish) @ 6800 rpm = 470 Bhp!

P (kW) = 2*pi*r (rev/sec) * T(Nm) * 10-3
Forum: General Nissan Skyline Chat 6th November 2007, 09:49 AM
Replies: 45
Views: 6,696
Posted By Wink
R33_GTS-t, "^^^That's a hypothetical graph. No...

R33_GTS-t, "^^^That's a hypothetical graph. No curve is really that flat in reality." - ha, ha, ha, you boys.......!!! Nissan are NOT allowed to make up a hypothetical graph, there are laws against...
Forum: General Nissan R35 GT-R Chat 2nd November 2007, 12:39 PM
Replies: 30
Views: 11,341
Posted By Wink
Sorry, they are PVD coated rings....!

Sorry, they are PVD coated rings....!
Showing results 1 to 25 of 38

 
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