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Originally Posted by ajm8127

Concerning overlap at high rpms reducing cylinder pressure, wouldn't that be something you could minimize by tuning the Vanos system for your particular high rpm application? This question is basically for my own edification.

I would think that reducing the duration would help, but then you would give up hp. The easy solution to me is ramping up boost pressure. A very popular LSx tuner in my area by the name of Dan Maslic, who has written books on tuning, says hes is a fan of doing this to keep making power in the upper rpm range on engines that don't flow well. "

Today, 01:45 PM

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Originally Posted by Sticky

When bumping please don't quote an old post without anything to add.

This is a great thread (due to all your technical points, just kidding, I mean due to my technical points) but add substance to it if you are bringing it back from the dead. Forum 101...

considering it is relevent again with a new option, people may want to see its been discussed before., so what i quoted was personal choice, but it needed to be bumped

also, i was going to quote the best information you provided in this thread, but decided not to:

Originally Posted by Sticky

Save your time and money, it isn't happening.

in reference to my comment about a TS blower for the S65.. "

Today, 01:44 PM

" A couple weeks ago an article was posted on PorscheBoost showing a stock 997.2 Turbo S going 10.6@129.8 in the 1/4 mile. Absolutely incredible performance out of a stock car. In case anyone thought that run was a fluke here is a video showing another 997.2 Turbo S at the drag strip this one going 10.71@127.73. This just confirms the Turbo S on street tires is a car that is just short of mid 10 second performance making it a stoplight terror.

It also shows the PDK is deadly consistent. Just look at the launch. No fuss, no drama, just insane acceleration. This car is a beast.

http://www.youtube.com/watch?feature...&v=WxwjcgtqnMU

"

Today, 01:43 PM

Today, 01:37 PM

Today, 01:37 PM

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Originally Posted by Flinchy

ahh my mistake, yeah 7.5ms per revolution @8K RPM , not per stroke, i got confused late at night haha - my bad @ajm8127

Lol, I was just as confused. It's funny because it's not that complicated.

8000 rpm = 133.3 rps = 266.6 strokes per second = 3.75 ms per stroke.

Concerning overlap at high rpms reducing cylinder pressure, wouldn't that be something you could minimize by tuning the Vanos system for your particular high rpm application? This question is basically for my own edification. "

Today, 01:34 PM

Today, 01:34 PM

" Yes, and unfortunately very addicting. When I had my 2003 SVT Cobra Mustang, MPG varied wildly depending on how much I was pressing down on the go pedal.

Avg: 16 MPG around town.
Best: 26 MPG from NY -> MA @ ~75 - 80 MPH
Worst: 7.5 MPG around town. :-D

As others have pointed out, as you have a fixed unit in which you are compressing, you are generating a bit of heat. The way to make more boost is to spin it faster, which reduces efficiency, heating things more. A air-to-water intercooler is ideal in these setups, but require custom intakes, which if I read it right, has been done here. It should make the car even more of a beast.

-Matt "

Today, 01:33 PM

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Originally Posted by Sticky

Quit hating...

Hate what?

I don't hate anybody "

Today, 01:32 PM

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Originally Posted by JRCART

Seriously right back at you....

No offense, but that is probably one of the top ten dumbest forum comments of all time.

Hahahaha. No offense bro, but spending more than 300k and not even entering the 9 second barrier is pretty damn DUMB in my book. Again, no offense. "

Today, 01:31 PM

Today, 01:31 PM

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Originally Posted by 63Master

I don't need throttle blipping to road race!


btw, did you tap 9seconda yet, or at least Weistec since you don't run your own car at the drag!

Quit hating... "

Today, 01:14 PM

Today, 01:05 PM

"

Originally Posted by mdrobnak

I've determined you just like to incorporate Nitrous into everything.

Looks pretty awesome. When do you anticipate it being back together?

-Matt

Thanks.

Yes, I like nitrous. "

Today, 12:58 PM

" Seriously right back at you....

No offense, but that is probably one of the top ten dumbest forum comments of all time.

Originally Posted by 63Master

Seriously,

I mean no offense, but Who gives a rat's ass about throttle blipping?

People are installing kompressors, building their transmissions, and upgrading their internals and your searching for someone that can provide throttle blipping??

Sorry, but can someone tell me what benefit comes from this?

"

Today, 12:48 PM

" twinscrews are ALOT of fun....ask me how I know "

Today, 12:40 PM

"

Originally Posted by LostMarine

the fact that you cant argue it says even more.

I'm supposed to argue delusions? Um, ok.

Originally Posted by LostMarine

I suppose with your theory of tq multiplication + actual tq, its gonna be a $#@!ing tire roaster..

Torque multiplication isn't theory it's mathematical fact. Yes, this thing will make people go through tires awful fast.

It's going to be a lot of fun and enhance the M engine character. "

Today, 12:35 PM

Today, 12:32 PM

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Originally Posted by LostMarine

good to know

When bumping please don't quote an old post without anything to add.

This is a great thread (due to all your technical points, just kidding, I mean due to my technical points) but add substance to it if you are bringing it back from the dead. Forum 101... "

Today, 12:31 PM

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Originally Posted by rt turbo

Sticky, I tried to find info on your cars final power figures, are they on the site?

I haven't put the article up yet. It wasn't able to pull to redline due to the clutches slipping but at 7200 rpm 773 wheel horsepower. New world record not even at full strength lol. At 8500 rpm that should be... well I was so happy after I finished this article I went out with friends, celebrated, and had fun. Check out this blonde:

"

Today, 12:25 PM