Static X Motorsports Crank Pulley!! - Page 6

***staticx313*** · 10-22-2005, 09:35 PM

The diamond design I am sure is both structural and cosmetic at the same time. Its put through a hardening process and is coated with some incredibly durable stuff. I am sure the design was used in order to lighten it as much as possible (As it weighs less then 1LB i am told and feels lighter then the other pulleys I have here).

Haha data, let us know when you put it on

Mega, we did a full write up and will provide that to anyone who needs it

It takes about 30 minutes to do and is a super easy mod. Thanks

Email me if you have any questions: rschwarze@staticxmotorsports.com.

Robert~

***staticx313*** · 10-24-2005, 08:09 AM

Filling out the backorders and should have a good # left over for those who want one!

Robert~

evilrazor · 10-25-2005, 08:53 PM

Yes Im glad I waited, ill be installing this weekend.

Slo-PokeSTi · 10-30-2005, 10:16 AM

Robert, until you pull and wet magnaflux a few cranks from motors that have ran this pulley, you are whistling in the dark about crank problems and undamped pullies.
The oil testing you've done is a nice start but the crank problems are in the journals and fatigue within the journals. Weird bearing wear is a minor symptom.
Specifically, what about your undampened pulley makes it different from all others in that it will cause no damage to the crank?

http://www.atiperformanceproducts.co...mper_dinan.htm

Slo-PokeSTi · 10-30-2005, 11:43 AM

"So how much power can a damper be worth? Forget about hearsay and some of the opinions of even well-known racers. Testing on my own dyno on a nominally 400hp motor showed a good damper was worth 5 hp over a typical factory damper (which was designed for the stock bottom end not a modified one) and over 11 hp over that delivered by a lightweight hub."
http://www.popularhotrodding.com/eng...06mm_windsor2/

"While your motor is running, you have some pistons that are being pushed downward on a power stroke, some that are being pulled down by the crankshaft, and then there are some that are being pushed upward by the crankshaft. Now think about this entire system happening 8,000+ times per minute! Even further, think about all of these different actions that are taking place, and then imagine them happening on the same piece of metal - the crankshaft. These actions make that shaft twist in one direction away from its natural home location, and then when it tries to come back to that home location, its momentum makes it travel past its original location and farther in the other direction. This is what I measure when I am damper testing and the name of that action is, Degrees of Twist – Peak to Peak. That is crankshaft twist. That is what breaks parts and robs you of horsepower when there is nothing to counteract and eliminate the twist. In this system, the worst torsional vibrations, or twist, will always occur at the farthest point from the greatest load, or the heaviest mass."
http://www.atiperformanceproducts.co.../101/index.htm

evilrazor · 10-30-2005, 08:28 PM

The stock unit doesnt have a harmonic damper VIA SOA.

Slo-PokeSTi · 10-31-2005, 01:45 PM

Quote:

Originally Posted by evilrazor

The stock unit doesnt have a harmonic damper VIA SOA.

That is incorrect. The O.E.M. part is a damper.

***staticx313*** · 10-31-2005, 01:49 PM

Quote:

Originally Posted by Slo-PokeSTi

Robert, until you pull and wet magnaflux a few cranks from motors that have ran this pulley, you are whistling in the dark about crank problems and undamped pullies.
The oil testing you've done is a nice start but the crank problems are in the journals and fatigue within the journals. Weird bearing wear is a minor symptom.
Specifically, what about your undampened pulley makes it different from all others in that it will cause no damage to the crank?

http://www.atiperformanceproducts.co...mper_dinan.htm

Although I am sure that write up is true, I don't see anything about flat 4 engines or anything of that nature showing that a lightweight crank pulley is harming our car. I've never had a problem, our friends have never had problems, and I am still waiting for someone to show us a car that had these issues directly because of a crank pulley? I understand there are nice write ups and concerns out there about it, but this isn't a "one size fits all" theory that can be used on flat 4s to v8s to inline 6s. Or better said, I don't think this problem is as serious as it states for each engine application or will not at least be to the same degree.

Whats to show the factory pulley is that much better then a lightweight pulley? Whats to show that it does anything at all? Wheres any data showing how its saving our engines?

Your articles you posted are great, but I still don't see any STI/WRX having a problem with these pulleys that are properly balanced and designed. Being that thousands to tens of thousands have been sold here in the US alone, I am sure if this was as big of an epidemic as you say it is, it would have started spreading through the boards more.

I do appreciate the articles and will read through them better when I get a chance to tonight. Thank you.

Robert~

***staticx313*** · 10-31-2005, 01:54 PM

Quote:

Originally Posted by Slo-PokeSTi

That is incorrect. The O.E.M. part is a damper.

According to the FAQ post on NASIOC, it is not, said by an SOA affiliate. Please bring us data/proof this harming our cranks that actually have direct relevance to a flat 4 engine or an STI in general.

Robert~

Slo-PokeSTi · 10-31-2005, 02:12 PM

To base engineering on anecdotals from yourself and your peers is perhaps imprudent.
Light undamped alloy pullies are true folly. If it is a gain from reduced rotational mass that is desired, look at the flywheel.
You need to hit the books because it is clear that you do not understand the engineering fundamentals behind the products you offer.
Why again did the O.E. part include a damper?

Slo-PokeSTi · 10-31-2005, 02:18 PM

Quote:

Originally Posted by staticx313

According to the FAQ post on NASIOC, it is not, said by an SOA affiliate. Please bring us data/proof this harming our cranks that actually have direct relevance to a flat 4 engine or an STI in general.

Robert~

Look at the pulley. The vucanized rubber ring between the outer pulley and the hub is the damper. The little rubber ring makes all the difference in the world.

***staticx313*** · 10-31-2005, 09:23 PM

Sir all I asked for was proof that it did cause damage to our vehicles. Posting up online articles on what dampeners do and then telling me to hit the books is pretty ridiculous. I understand completely what you are saying and what the articles are saying... never said I didnt, however it doesn't mean you are right in this instance

.

You don't have to repeate it has a rubber ring either, we all know its there, however again, bring us proof/data of this harming our cranks, which you have not done. Nor do I think you can do.

Theory is one thing, real life experience is another. I have yet to see a WRX/STI (with even 100,000+ miles on them) have a problem with a lightweight pulley. I would not think Cobb, Perrin, Autospeed, AP, and all these other companies would create such products if they were so harmful to our engines. Maybe they should hit the books as well? Do you think you are seriously the first to discuss this topic with me?

Also why would you post a link to an article on a v8 carbed crate engine? How is that anything similar to an OEM flat 4 turbocharged engine? On their vibrations "dyno sheet" they show the vibrations to be well under normal, what does that prove? It doesn't show a lightweight pulley being over tolerance. Are you just here to plug ATI pulleys? They are doing tests on carbed v8 crate engines, how can their testing be any similar to that of a flat 4?

And why would this exist? Maybe they don't know anything either? http://forums.nasioc.com/forums/show...hreadid=444518

Robert~

jgheels2003 · 11-01-2005, 09:27 AM

Quote:

Originally Posted by Slo-PokeSTi

Look at the pulley. The vucanized rubber ring between the outer pulley and the hub is the damper. The little rubber ring makes all the difference in the world.

This debate has occured SO many times on this board and many others man just leave it alone. No one is holding a gun to your head telling you to buy a pulley. If you are so concerned with this write to SOA and tell them they are wrong.

Slo-PokeSTi · 11-01-2005, 12:13 PM

Quote:

Originally Posted by jgheels2003

This debate has occured SO many times on this board and many others man just leave it alone. No one is holding a gun to your head telling you to buy a pulley. If you are so concerned with this write to SOA and tell them they are wrong.

Fess up to this discussion being over your head and reserve your comments or add to it technically.
Nutswinging has no place in a technical debate.

Slo-PokeSTi · 11-01-2005, 12:20 PM

Quote:

Originally Posted by staticx313

Sir all I asked for was proof that it did cause damage to our vehicles. Posting up online articles on what dampeners do and then telling me to hit the books is pretty ridiculous. I understand completely what you are saying and what the articles are saying... never said I didnt, however it doesn't mean you are right in this instance

.

You don't have to repeate it has a rubber ring either, we all know its there, however again, bring us proof/data of this harming our cranks, which you have not done. Nor do I think you can do.

Theory is one thing, real life experience is another. I have yet to see a WRX/STI (with even 100,000+ miles on them) have a problem with a lightweight pulley. I would not think Cobb, Perrin, Autospeed, AP, and all these other companies would create such products if they were so harmful to our engines. Maybe they should hit the books as well? Do you think you are seriously the first to discuss this topic with me?

Also why would you post a link to an article on a v8 carbed crate engine? How is that anything similar to an OEM flat 4 turbocharged engine? On their vibrations "dyno sheet" they show the vibrations to be well under normal, what does that prove? It doesn't show a lightweight pulley being over tolerance. Are you just here to plug ATI pulleys? They are doing tests on carbed v8 crate engines, how can their testing be any similar to that of a flat 4?

And why would this exist? Maybe they don't know anything either? http://forums.nasioc.com/forums/show...hreadid=444518

Robert~

Rob, while eloquent and well spoken, you are completely lost. For your own self-interest, think about refraining from quoting material from the NABISCO forum.
The rest of the import tooner world finds them dullards of the lowest order.

10-22-2005, 09:35 PM	#76
*staticx313* Platinum Member Car: 05 Subaru WRX STI CG Fav Mod: 3" FP20G - 403WHP/417WTQ Location: Huntsville, AL Posts: 5,279 Join Date: Aug 2003 Trader Rating: (2)	The diamond design I am sure is both structural and cosmetic at the same time. Its put through a hardening process and is coated with some incredibly durable stuff. I am sure the design was used in order to lighten it as much as possible (As it weighs less then 1LB i am told and feels lighter then the other pulleys I have here). Haha data, let us know when you put it on Mega, we did a full write up and will provide that to anyone who needs it It takes about 30 minutes to do and is a super easy mod. Thanks Email me if you have any questions: rschwarze@staticxmotorsports.com. Robert~ This ad is not endorsed by this member. Please register or login to hide this ad.

10-30-2005, 10:16 AM	#79
Slo-PokeSTi Regurgitator of advertising hype Posts: 50 Join Date: Oct 2005 Trader Rating: (0)	Robert, until you pull and wet magnaflux a few cranks from motors that have ran this pulley, you are whistling in the dark about crank problems and undamped pullies. The oil testing you've done is a nice start but the crank problems are in the journals and fatigue within the journals. Weird bearing wear is a minor symptom. Specifically, what about your undampened pulley makes it different from all others in that it will cause no damage to the crank? http://www.atiperformanceproducts.co...mper_dinan.htm Last edited by Slo-PokeSTi : 10-30-2005 at 10:30 AM.

10-31-2005, 09:23 PM	#87
*staticx313* Platinum Member Car: 05 Subaru WRX STI CG Fav Mod: 3" FP20G - 403WHP/417WTQ Location: Huntsville, AL Posts: 5,279 Join Date: Aug 2003 Trader Rating: (2)	Sir all I asked for was proof that it did cause damage to our vehicles. Posting up online articles on what dampeners do and then telling me to hit the books is pretty ridiculous. I understand completely what you are saying and what the articles are saying... never said I didnt, however it doesn't mean you are right in this instance . You don't have to repeate it has a rubber ring either, we all know its there, however again, bring us proof/data of this harming our cranks, which you have not done. Nor do I think you can do. Theory is one thing, real life experience is another. I have yet to see a WRX/STI (with even 100,000+ miles on them) have a problem with a lightweight pulley. I would not think Cobb, Perrin, Autospeed, AP, and all these other companies would create such products if they were so harmful to our engines. Maybe they should hit the books as well? Do you think you are seriously the first to discuss this topic with me? Also why would you post a link to an article on a v8 carbed crate engine? How is that anything similar to an OEM flat 4 turbocharged engine? On their vibrations "dyno sheet" they show the vibrations to be well under normal, what does that prove? It doesn't show a lightweight pulley being over tolerance. Are you just here to plug ATI pulleys? They are doing tests on carbed v8 crate engines, how can their testing be any similar to that of a flat 4? And why would this exist? Maybe they don't know anything either? http://forums.nasioc.com/forums/show...hreadid=444518 Robert~ Last edited by staticx313 : 10-31-2005 at 10:21 PM.

10-24-2005, 08:09 AM	#77
*staticx313* Platinum Member Car: 05 Subaru WRX STI CG Fav Mod: 3" FP20G - 403WHP/417WTQ Location: Huntsville, AL Posts: 5,279 Join Date: Aug 2003 Trader Rating: (2)	Filling out the backorders and should have a good # left over for those who want one! Robert~

10-25-2005, 08:53 PM	#78
evilrazor Spec C Club Car: 2005 WRB/G STi Fav Mod: AP Location: New Mexico Posts: 1,407 Join Date: Apr 2004 Trader Rating: (0)	Yes Im glad I waited, ill be installing this weekend.

10-30-2005, 11:43 AM	#80
Slo-PokeSTi Regurgitator of advertising hype Posts: 50 Join Date: Oct 2005 Trader Rating: (0)	"So how much power can a damper be worth? Forget about hearsay and some of the opinions of even well-known racers. Testing on my own dyno on a nominally 400hp motor showed a good damper was worth 5 hp over a typical factory damper (which was designed for the stock bottom end not a modified one) and over 11 hp over that delivered by a lightweight hub." http://www.popularhotrodding.com/eng...06mm_windsor2/ "While your motor is running, you have some pistons that are being pushed downward on a power stroke, some that are being pulled down by the crankshaft, and then there are some that are being pushed upward by the crankshaft. Now think about this entire system happening 8,000+ times per minute! Even further, think about all of these different actions that are taking place, and then imagine them happening on the same piece of metal - the crankshaft. These actions make that shaft twist in one direction away from its natural home location, and then when it tries to come back to that home location, its momentum makes it travel past its original location and farther in the other direction. This is what I measure when I am damper testing and the name of that action is, Degrees of Twist – Peak to Peak. That is crankshaft twist. That is what breaks parts and robs you of horsepower when there is nothing to counteract and eliminate the twist. In this system, the worst torsional vibrations, or twist, will always occur at the farthest point from the greatest load, or the heaviest mass." http://www.atiperformanceproducts.co.../101/index.htm

10-30-2005, 08:28 PM	#81
evilrazor Spec C Club Car: 2005 WRB/G STi Fav Mod: AP Location: New Mexico Posts: 1,407 Join Date: Apr 2004 Trader Rating: (0)	The stock unit doesnt have a harmonic damper VIA SOA.

10-31-2005, 02:12 PM	#85
Slo-PokeSTi Regurgitator of advertising hype Posts: 50 Join Date: Oct 2005 Trader Rating: (0)	To base engineering on anecdotals from yourself and your peers is perhaps imprudent. Light undamped alloy pullies are true folly. If it is a gain from reduced rotational mass that is desired, look at the flywheel. You need to hit the books because it is clear that you do not understand the engineering fundamentals behind the products you offer. Why again did the O.E. part include a damper?