light and strong Audi R8 V8

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I personally don't care how respected any individual or company are. Without independent or peer review its simply nice pictures.
The issues I have are there is an underlying commercial interest in this thread and secondly no answer to observations based on well defined physics.

edit: but just to add, whilst I reserve the right to be a sceptic I do appreciate the level of effort and if something does come of it then happy to be proved wrong.

The concern I have is increasing the size of, well, everything, may be good for extreme top end breathing but it kills air velocity at low to medium rpm (this is a key factor of increasing volumetric efficiency as whilst air may be light it has mass and if you get it moving fast enough then that moving mass has benefits. All the graphs we have seen have shown improvements across the whole rpm band from near idle to max rpm. This is inconsistent with other engines I have worked with in that going all out for peak power really has a tangible impact to low and mid engine performance.

[ChrisW]

I couldn't agree more, but the line between encouragement and scepticism has been quite rudely defined in places.

[SuprSi]

Hi
With the enlarging of the inlet ports and intake manifolds, a cross-section was reached of plus 19.8%.
Dimensions series in the smallest cross-section ( Tumble end flaps) > 1232mm², Tube smaller 40mm ( also Audi RS4 B7 )
After the processing > 1476mm², Tube now 43,5mm ( The V10 and RS5 have 1508mm², Tube 44mm )







Tom

Nice, Just a thought, would it be worth filling in the slots where the tumble flaps went in the heads?

Dividing the intake is an interesting mod.

[Speedr8]

Hi

Jeroen did himself the power pattern in Youtube / Facebook published.

I couldn't agree more, but the line between encouragement and scepticism has been quite rudely defined in places.

Tom

[Speedr8]

Hi

Filling the groove is hard to do, but you can
extend the groove into the intake manifold and has no edge.

The idea I had already

Tom

Hi
With the enlarging of the inlet ports and intake manifolds, a cross-section was reached of plus 19.8%.
Dimensions series in the smallest cross-section ( Tumble end flaps) > 1232mm², Tube smaller 40mm ( also Audi RS4 B7 )
After the processing > 1476mm², Tube now 43,5mm ( The V10 and RS5 have 1508mm², Tube 44mm )







Tom

Nice, Just a thought, would it be worth filling in the slots where the tumble flaps went in the heads?

Dividing the intake is an interesting mod.

[Speedr8]

Hi

RS5 intake manifold




@SuperSi






Tom

[Speedr8]

Hi

Inlet RS5 is less than R8 series

RS5


R8 V8






Tom

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Dividing the intake is an interesting mod.

Be interesting to see the logic on this - from my point of view I'd be concerned that the intake furthest from the throttle ducting is going to be getting reduced air. You generally want big airboxes - quite wide (ideally a rough idea of a trumpet's diameter either side) and then high at the throttle end and tapering down towards the furthest away. It's a great way of trying to stop the earlier intake trumpets stealing air from each other.

Why divide the intake though?

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[bam_bam]

Tom isn't exactly being bold with his claims, just stating figures that, ok, haven't exactly been proven, but are impressive nonetheless.

Did you read that sentence before posting? Let's break it down for those that may have missed it:

• - Figures that haven't been proven
  - Figures that are impressive
  - Nonetheless

Well, the first two points explain themselves, a stylish contradiction there but I'm curious about the last point... nonetheless. What do you mean by nonetheless? Do you mean "let's just gloss over it" or maybe "how about we just don't question it"? I'm intrigued as to why you'd add that.

I couldn't agree more, but the line between encouragement and scepticism has been quite rudely defined in places.

There was no line defined, ever.

Firstly, posting bogus science and unproven figures is not encouraged, ergo, there was zero encouragement.
Secondly, I think you've mistaken scepticism for something else, opinion, perhaps?
Thirdly, I think it's truly lovely that you care about people's feelings, however, consider the following;

a) This is the Internet, being nice to each other is revoked the moment you open a browser, everything should be taken pinch of finely ground up violin.
b) Everyone posting in this thread is an adult (except maybe for me) and they'll get over it - they certainly don't need you to stick up for them.
c) Neither Tom nor JD engineering are site sponsors so there's no special treatment here, even if they were sponsors, this is the kind of place to call bullsh1t no matter who you are or how nice it smells.
d) What you find rude, others may find endearing, it's called opinion and it features strongly everywhere in life and on the Internet. Get use to it.
e) Have you ever been over to Audizine, makes this place look tame, huh? If you've not been over there, I bet you and your high horse will be welcome. Enjoy.

[Speedr8]

Hi

Everyone says it is not possible, then one comes men and makes it


Tom

[ChrisW]

I kind of expected this...

Did you read that sentence before posting? Let's break it down for those that may have missed it:

• - Figures that haven't been proven
  - Figures that are impressive
  - Nonetheless

Well, the first two points explain themselves, a stylish contradiction there but I'm curious about the last point... nonetheless. What do you mean by nonetheless? Do you mean "let's just gloss over it" or maybe "how about we just don't question it"? I'm intrigued as to why you'd add that.

He's posted dyno results? and whilst you may not believe it, I'm not naive enough to wholly trust that they relate to that R8. The proof is in the pudding, thats true, but I'm also sat here wondering why anyone would go to the lengths of posting in this thread to support some elaborate charade? If there is indeed a commercial interest, then until the claims are proven they won't get any sales surely?

Firstly, posting bogus science and unproven figures is not encouraged, ergo, there was zero encouragement.
Secondly, I think you've mistaken scepticism for something else, opinion, perhaps?
Thirdly, I think it's truly lovely that you care about people's feelings, however, consider the following;

a) This is the Internet, being nice to each other is revoked the moment you open a browser, everything should be taken pinch of finely ground up violin.
b) Everyone posting in this thread is an adult (except maybe for me) and they'll get over it - they certainly don't need you to stick up for them.
c) Neither Tom nor JD engineering are site sponsors so there's no special treatment here, even if they were sponsors, this is the kind of place to call bullsh1t no matter who you are or how nice it smells.
d) What you find rude, others may find endearing, it's called opinion and it features strongly everywhere in life and on the Internet. Get use to it.
e) Have you ever been over to Audizine, makes this place look tame, huh? If you've not been over there, I bet you and your high horse will be welcome. Enjoy.

By encouragement I was merely suggesting that instead of posting patronising bullshit & memes you could try the odd "well done, nice work" type comment. The OP hasn't reacted once to your tripe, which speaks volumes.

a) Maybe in your world, but not everyone decides to be a c*nt from the off on the internet.
b) No they don't, but its a nice gesture.
c) True, but there's a way to go about things though isn't there.
d) Opinion is indeed endearing when used properly, but it doesn't give you a licence to let sh*t drop out of your mouth.
e) There's enough car forums on the internet bursting with ego's and opinions, so i'll probably swerve thanks.



EDIT* for now, just appreciate the engineering and if it is all complete bullshit you can just move on.. There are a lot of constructive questions floating around, its just annoying having to sift through the bullsh*t to find the answers.

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Hi

Everyone says it is not possible, then one comes men and makes it


Tom

Not saying it's impossible and at least with the r8 you have space to work with under the bonnet (insert mid engine equivalent).
The bits I question are
- massive increases across the Rev range. Every n/a engine I have been 'involved' with and tuned for outright performance (approaching 140ps/litre) have been compromised heavily low down.
- simply increasing valve and throttle areas will cause airflow to slow down. This is usually offset by increasing max rpm to bring the numbers back up to speed (usually around 60m/sec). But with the rs4/r8 you have an engine already capable of 8,500rpm completely stock. You could probably eek that out to 9,000 but the piston speeds are going to be really high.

I am interested in how it goes though

[RIV]

[bam_bam]

I kind of expected this...

Yet you posted anyways, it's like you wanted this to happen, ok, well done.

He's posted dyno results? and whilst you may not believe it, I'm not naive enough to wholly trust that they relate to that R8. The proof is in the pudding, thats true, but I'm also sat here wondering why anyone would go to the lengths of posting in this thread to support some elaborate charade? If there is indeed a commercial interest, then until the claims are proven they won't get any sales surely?

Wow, that's a very deep understanding you've got of this build and the motivations behind it, seems like you've got EVERY angle covered. We can all go home.

By encouragement I was merely suggesting that instead of posting patronising bullshit & memes you could try the odd "well done, nice work" type comment. The OP hasn't reacted once to your tripe, which speaks volumes.

Well what you said and what you meant cannot be understood unless you actually write it down, this is how the written word operates. If you look, I have given a 'well done' comment but I'm not going to applaud the bullsh1t. The OP hasn't said anything because he has a vested interest to not react i.e. he's being diplomatic... and he has you to stick up for him, so here, "well done, nice work".

a) Maybe in your world, but not everyone decides to be a c*nt from the off on the internet.
b) No they don't, but its a nice gesture.
c) True, but there's a way to go about things though isn't there.
d) Opinion is indeed endearing when used properly, but it doesn't give you a licence to let sh*t drop out of your mouth.
e) There's enough car forums on the internet bursting with ego's and opinions, so i'll probably swerve thanks.

a) I've worked hard to become this c*ntish, it didn't just happen straight from the off. But that's my business. Don't like it, read on, there are instructions to a remedy.
b) *slow clap* Hollow gesture but next time buy flowers, it'll cover the smell of bullsh1t.
c) Is there? I'm actually happy going about it this way but if I ever need tutelage on 'how to go about things', I'll come down to the nail salon and you can 'go grrrrl' at me.
d) An opinion is an opinion, I'm not sure why licences are required but if you're handing them out.
e) Ahhh it's obvious now - little fish big pond syndrome.

Haters?!?! Really? You're not really Mr. Current Affair on the memes, are you? And yes, I'm hater and I hate. How is that wrong?

EDIT* for now, just appreciate the engineering and if it is all complete bullshit you can just move on.. There are a lot of constructive questions floating around, its just annoying having to sift through the bullsh*t to find the answers.

So you're telling me what to do? *sigh* The engineering is retarded, it's almost 'merican in approach with "bigger is better". Yet there appears to be no trade-offs, it's got power everywhere! Yet calling the OP out on this, is rude?
If you don't like sifting through posts from people you don't like, go into the control panel and add all the "haters" to your foe list. So now you know, there's no reason for this to ever happen again, unless you want it too, which would probably make you some kind of troll. Just a rubbish one.

[RIV]

I'm on ads greens foe list, it's great!! I can call him a boring <beep>
And I don't have to put up with his boring replies