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TDI Power Enhancements Archives on TDI Power Enhancement related items.

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Old March 2nd, 2008, 13:23   #16
dvst8r
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Ed way to SH!T on this thread... The point of this was just for dyno numbers, that is all, this is exactly why the last one got locked down.

I really hope we can get a mod to delete all of the comments and just have dyno numbers. Including this post!
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again, not a topic for this forum...take it to "people who give a ****" forum.....the only numbers hear we care about are hp/ftlbs...

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Old March 2nd, 2008, 13:52   #17
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Nice peak hp numbers, but 50 hp at 2500 rpm, 80 hp at 3000 rpm, 125 hp at 3500 is not very street driveable, IMHO.

From the videos, Oliver's boost looks like ~10 psi at 3000-3500 rpm, ~20 psi at 4000 rpm, pegged high at 30+ psi at between 4000-4500 rpm, with the turbo sounding unhappy (compressor surge-like noise, cha cha cha cha). I'll bet he doesn't drive that particular file on the street. I wouldn't think that arrangement would drive all that well, unless he was holding back WOT until about 4000 rpm. Methanol injection helps a lot, but watch the peak cylinder pressures, you are in rod bending territory.
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Old March 2nd, 2008, 14:05   #18
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2004 Jetta PD w/ RC1+ before and after runs, same day, same dyno.
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Old March 2nd, 2008, 14:34   #19
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Quote:
Originally Posted by sdk131
2004 Jetta PD w/ RC1+ before and after runs, same day, same dyno.
Nice, I remember that day was really fun.
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Old March 2nd, 2008, 14:57   #20
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Quote:
Originally Posted by KERMA
Nice peak hp numbers, but 50 hp at 2500 rpm, 80 hp at 3000 rpm, 125 hp at 3500 is not very street driveable, IMHO.

From the videos, Oliver's boost looks like ~10 psi at 3000-3500 rpm, ~20 psi at 4000 rpm, pegged high at 30+ psi at between 4000-4500 rpm, with the turbo sounding unhappy (compressor surge-like noise, cha cha cha cha). I'll bet he doesn't drive that particular file on the street. I wouldn't think that arrangement would drive all that well, unless he was holding back WOT until about 4000 rpm.
Dont be an a$$ Charlie. You should know what that sound is. But in case others are wondering and you don't know, it is called an EXTERNAL WASTEGATE, with a dump tube to atmosphere.

Like my post above said, this is designed for one purpose and not for the street. But I have driven it for 5 weeks this way without any issues. Smokes a lot down low. Still gets 48mpg. That was with the PP502 injectors installed. Put 1500 miles and three tanks of fuel in so far.

You also forget that BOOST is not the only element. Focusing on the boost is silly, because a larger turbo can FLOW more air. Flow is what is important given the boost level requested. A tiny turbo can make 30PSI boost, but can't sustain the flow needed at high rpms.

You should know all this.??? Makes me wonder

I do not want to cloud this thread with crap, so if someone has questions about my dyno, IM me.

Moderators will hopefully edit all the junk out and just keep the dynos.
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Old March 2nd, 2008, 15:07   #21
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Quote:
Originally Posted by TdiRacing
Compare to what ben?

I have nothing to prove. I got it all on video with losts of people watching. Further, I could care less what I put down on another dyno. This is the same dyno, same location that I have done all my other dynos. My gains are very well documented and have yet to see anyone else get close to these numbers. This was a test for a very specific purpose in racing. This is not to be compared to a street turbo.

My offer to you Ben is you drive here and use the dyno i used. I will pay for it as well. What do you say?

Man whats up with that ??? did you take that the wrong way or what....
All i meant was that if your driving it down here then what is the harm and we can see if the #'s im getting are to high or low thats all man what crawled up your butt? And hell yea if you pay for the gas to ill be on my way one weekend after the dyno day.
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Old March 2nd, 2008, 15:07   #22
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Jeff, I've wanted to see a thread like this since I came to TDiClub, and would love to see it work out for everyone's benefit. I have a few suggestions for rules, do what you will with them:

- No comments on other people's numbers by anyone.
- Everyone posting numbers should list all their (power-related) mod's. I don't want to hear look at their profile, or signature - they change with time.

It also seemed pretty obvious to me that Oliver's setup was meant for racing, so maybe people could also post a quick description in instances that may elicit negative responses.

All this negative crap is like the kiddie sites: inflammatory remarks begets needless defensiveness begets inflammatory remarks. . .
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Old March 2nd, 2008, 15:55   #23
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Here is comparison of my previous dynos with the VNT17/20 hybrid. Compare this to the new dyno in links above. My larger turbo yielded a much higher HP number, but moved the power band way over. This is a clear example of what happens when you run a larger turbo(much larger in my case).

This is why you always have to ask what your purpose is. Just adding a larger turbo can have drastic effects on the power band. Usable power is the key to having a FAST car. Making big numbers doen't mean a lower powered car will not beat you at the drag strip or road course.

We regularly beat cars with a lot more power in The Pro Rally races because we have such a large usable power band. Low end TQ is very key in rally given its nature. For road racing it is not so important and the focus moves to more HP to get the top end we need, sacrificing the low end TQ to get more HP.
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Old March 2nd, 2008, 16:13   #24
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I see the point of a thread like this is to see cause and effect. People are going to have comments and questions. Let's just hope people can be civil--so far we're not doing very well on that score.

BTW, my sig is current, except, as noted, I didn't have the PP502s in my car for that dyno--they were PP520s.
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Old March 2nd, 2008, 16:36   #25
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Thanks for posting the graphs and video links. Nice to see what can be done. Man sign me up! I hope to have a graph to post within the month.
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Old March 2nd, 2008, 16:42   #26
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My point about the sig's and profiles is that 1 year after you post the dyno, your profile may be completely different; I'm unsure if the sig in your past posts changes if you alter it at any given point in time.

I agree that comments/questions should be included, but at the rate TDiClub is going, it seems somewhat utopian to think this will occur without the ubiquitous BS. I think what we really need is a thread that contains only dynos, and then a separate one that contains dynos and comments. can see this thread becoming 20 pages long with a dyno on every second page (with help from my dyno-less posts) - this hardly seems like the best way to form a reference thread.
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Old March 2nd, 2008, 17:15   #27
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Bone Stock MKV Jetta

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Old March 2nd, 2008, 17:17   #28
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externally gated huh? i'd LOVE to see some pics of this. deffinatly sounds sweet!
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Old March 2nd, 2008, 21:55   #29
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Nice numbers on Olivers car. Very nice actually

Heres mine.
R520+ pump with 12mm head and other mods done to it
Lift pump
3" exhaust and SDI intake
Cam+ ported head
GT2256V hybrid with 45.6mm turbine and custom 56mm compressor.
Other crap like fuel cooler etc. Cant remember all



And heres a video of the run:
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Old March 3rd, 2008, 05:11   #30
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there is mine.
Golf Mk4 PD100 from 2002.
Stock motor, but upgraded clucth/flywheel
no mods done to airbox ect.
only remap.
pic: http://grede.pictureshow.dk/showPict...ictureId=28341
Boost set to 18-19psi
pump fuel from shell (Cetane 51 here in small denmark)
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