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One guy's opinion on crank pulleys

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Old Aug 6, 2007 | 02:46 PM
  #31  
show time's Avatar
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From: INDY
Cute article I especially like there sales pitch at the end, but when you find some hard evidence of RRM's or anyone else's pulley causing there motor to fail I would be interested in that. Like I said I know a ton of people who have this mod and NOT 1 HAS HAD ANY ADVERSE AFFECTS. And this applies to cars that are daily drivers to street racers and drag racers. I love my car and I am going to mod it because that's what I like to do. Like I said before do a search on the boards for the base lancer and RA lancer and see just how many people have these pulleys and none of them are blowing up crankshafts.
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Old Aug 6, 2007 | 07:02 PM
  #32  
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Originally Posted by show time
I have seen Acura's, Mitsu's, Honda's, Ford's, Chevy's all with light weight cranks pulleys or under drive pulley that have put 50 to 60 k on the motors with absolutely no adverse affect on the cars. And these all weren't brand new cars some where and some of them ended up with 100,000 miles plus on them and had a pulley on them for over half the motors life. If you are going to freak from what one company thinks then you are best not to buy any mods. Every single mod you drop on your car has some risk that goes with it and this one is getting completely blown out of proportion. Yes it is the motor, but you are talking about a pulley that was over 4lbs mass compared to one that is 1lbs now think about this, the dampener was on something that was 75% more rotating mass compared to the light weight one. Just do a little search on the forum and see how many people on this forum have purchase an RRM pulley and have had NO problems what so ever and have 70k plus miles on there cars.
That is why it is an opinion (just like how RRM can do no wrong in your mind, they have good ****, dont get me wrong but you defend them on here like you're on their payroll). And I want to see someone who has a car with 300,000 km on it and to tear it down and say the wear is less or the same as stock.

Also it isn't 'Some Company' as I stated before my friend is a mechanical engineer (we went to school together, I'm electrical) and I trust him with my cars. He is smarter on these things more then I could ever hope to be. He worked there and moved on to other things.

I said before (at the end of my first post) the company IS NOT SPEEDTECH, that is a company in Calgary who I have mistaken them for.

I am tired of being **** on about this thread, it was just one more bit of information regarding things to think about when modding your car.

Last edited by the_cosworth; Aug 7, 2007 at 01:05 AM.
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Old Aug 6, 2007 | 07:14 PM
  #33  
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Listen...I am not on here to argue. I have no interest in how you treat your vehicle or the decisions that you make. I am simply stating facts to those who wish to learn a little something about how vehicles work and the risks with the mods they are installing. You continue to rant about a bunch of your friends who have lightweight pulleys, but please tell me how many real racing teams run w/o a dampner.
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Old Aug 6, 2007 | 07:16 PM
  #34  
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Originally Posted by 2008BLACKGTS
Listen...I am not on here to argue. I have no interest in how you treat your vehicle or the decisions that you make. I am simply stating facts to those who wish to learn a little something about how vehicles work and the risks with the mods they are installing. You continue to rant about a bunch of your friends who have lightweight pulleys, but please tell me how many real racing teams run w/o a dampner.
are you talking to me? I am agreeing with you
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Old Aug 6, 2007 | 07:18 PM
  #35  
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From: DFW
no I was referring to the post in front of you we just both posted at the same time
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Old Aug 6, 2007 | 07:23 PM
  #36  
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Originally Posted by the_cosworth
are you talking to me? I am agreeing with you
I'm 99% sure he was talking to show time . . .
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Old Aug 6, 2007 | 07:35 PM
  #37  
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From: YYC, Ab, Ca
Originally Posted by 2008BLACKGTS
no I was referring to the post in front of you we just both posted at the same time
ok, sorry, I was super confused about that

btw, really nice article
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Old Aug 6, 2007 | 07:37 PM
  #38  
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where is the love?
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Old Aug 6, 2007 | 07:38 PM
  #39  
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For some positive advice.....those with manuals can easily reduce their rotating mass by getting a light weight flywheel. You can save a lot more weight and you keep the dampner. You also raise the natural frequency of the system. Production vehicles often used cast iron flywheels and much can be gained by getting one machined out of aluminum. If designed properly it will be just as strong and a lot less weight.
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Old Aug 6, 2007 | 08:55 PM
  #40  
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From: INDY
Originally Posted by the_cosworth
That is why it is an opinion (just like how RRM can do no wrong in your mind, they have good ****, dont get me wrong but you defend them on here like you're on their payroll). And I want to see someone who has a car with 300,000 km on it and to tear it down and say the wear is less or the same as stock.

Also it isn't 'Some Company' as I stated before my friend is a mechanical engineer (we went to school together, I'm electrical) and I trust him with my cars. He is smarter on these things more then I could ever hope to be. He worked there doing R&D and other crap for them, he just left and is opening his own place.

Rock, this is who speedtech is, http://www.speedtechracing.com/home.php but like I said before (at the end of my first post) my buddy left speedtech a while back, I just don't live in calgary anymore so I am out of the loop.

I am tired of being **** on about this thread, it was just one more bit of information regarding things to think about when modding your car.
Wish I was on there payroll. My point is you guys keep scaring the crap out of people with these posts. I am stating a fact that I know people who run these mods and some DD there cars and some Race the wheels off of them and they are not destroying there motors. So this is taking it from normal driving (low revs)to (high rev)Auto-X and drag racing and open wheel midgets( Myers Racing cast Iron block with all Aluminum crankshaft pulleys) and nobody has broken a crankshaft yet. Now I do understand that you are listing very credible evidence but, this idea that's is getting spread around is a worse case scenario. Yeah I could suck in a gallon of water in my sri driving threw a river and just melt my pistons to the heads or hit a pot hole the size of a basement and blow my stock struts but that is a worse case scenario. And once again I have seen RRM sponsored cars run auto-X (WW 07 event) and destroy the entire field of cars in there class so this isn't just some BS talk up because I have some of there parts and I genuinely believe in there parts because of what I have seen and the mods I have purchased myself. Like I said any mod you put on your cars has some risk to it. If you want to make your car faster then you will sacrifice a little of the stock stability/longevity of your car. So as far as getting a 300,000 KM (what ever that is in miles?) that has been modded to look the same as one that hasn't you will never see there motors look the same because somebody that keeps there car stock compared to somebody who mods are going to have totally different driving styles, most people that mod have a tendency to get on it a lot and grandma (stocker) drives around 35 MPH everywhere she goes. I am just try to put up the othere side of this debate not trash what you are saying there is a risk to moding but a pulley isnt like shooting a 75lbs shot of N02, your not going to install a pulley a blow your motor up in a week, month, or year.

Last edited by show time; Aug 6, 2007 at 09:18 PM.
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Old Aug 6, 2007 | 10:15 PM
  #41  
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Wow Speedtech is here to bash our pulley? What about other pullies? What about turboing your car. You guys give more attention to a pulley on a car you prolly won't keep long enough to pay off. IF you were to have problems, IF, it would be way down the road. Meantime running the wrong fuel or oil will do worse damage to a motor, Not to mention all those AFC guys trying to tune their cars without knowledge or equipment (WIDEBAND etc...) It is quite a bias crowd. Keep your cars stock boys. Otherwise, if ou have a little faith or *****, get the pulley. This is quite lame really in the context of mods people do..... motor oil to turbos!

ROAD/RACE
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Old Aug 6, 2007 | 11:01 PM
  #42  
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Originally Posted by ROCK
Wow [edited] is here to bash our pulley? What about other pullies? What about turboing your car. You guys give more attention to a pulley on a car you prolly won't keep long enough to pay off. IF you were to have problems, IF, it would be way down the road. Meantime running the wrong fuel or oil will do worse damage to a motor, Not to mention all those AFC guys trying to tune their cars without knowledge or equipment (WIDEBAND etc...) It is quite a bias crowd. Keep your cars stock boys. Otherwise, if ou have a little faith or *****, get the pulley. This is quite lame really in the context of mods people do..... motor oil to turbos!

ROAD/RACE
Wow you missed a few key points. first it isnt [edited] (although the title of the thread should be changed because I was retarded and couldn't think when I made this), as I have stated NUMEROUS times. this is his PERSONAL opinion, copied from somewhere else or not.

Second it was a generalization about pulleys in general, not about YOUR pulley. One of the topics discussed was regarding E36 BMW Engines, so not sure how that relates to your setup for the 08's

Third, I just have an 08 and some of the other 08 guys jumped on it and got talking about RRM's pulley because you are the only one who currently makes a pulley for the 4b11's that are any good.

Fourth, we also mentioned the underdrive portion of some pulleys and how that can adversely affect the components, again has nothing to do with your 08 lancer pulley because it isn't Underdrive



Sent to mod:
can you please change the title of that thread, to cosworths opinion on crank pulley's as the thing about [edited] was a mistake (as stated in the first post anyways) and people are getting out of hand.

I don't want the shop being pulled into a debate they have not commented or anything about and think it is unfair to them.

Also I will go back and take all reference of [edited] out of my posts and leave it up to your discretion to take it out of other people's posts but it would be appreciated.

thanks

The_cosworth

Last edited by the_cosworth; Aug 7, 2007 at 01:06 AM.
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Old Aug 6, 2007 | 11:47 PM
  #43  
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Cosworth... don't appolgize.. cause.. your right

removing the harmonic dampening of the crank pulley will have adverse effects.

however Rock is also right there are FAR worse things you can do, and the chances of you seeing any adverse effect within 200,000 are slim from the pulley.

hell I'm ordering a pulley and SRI soon as my car arrives

I have a question for all the people "*****ing" .. how many of you have actually BLOWN UP and engine you've modded? (and the modding being the reason not 100+K mileage)
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Old Aug 7, 2007 | 12:16 AM
  #44  
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From: YYC, Ab, Ca
Originally Posted by Rabidhamster
Cosworth... don't appolgize.. cause.. your right

removing the harmonic dampening of the crank pulley will have adverse effects.

however Rock is also right there are FAR worse things you can do, and the chances of you seeing any adverse effect within 200,000 are slim from the pulley.

hell I'm ordering a pulley and SRI soon as my car arrives

AI have a question for all the people "*****ing" .. how many of you have actually BLOWN UP and engine you've modded? (and the modding being the reason not 100+K mileage)
thanks, I am not appolgising about where I stand on the subject, I feel horrible that the aforementioned company has been dragged into this.

As for me and my car background. I was really into mechanics in HS so I took every course they offered, plus a couple twice so I could stay in it. I worked at a toyota dealership as a first year apprentice for about 7 months and got tired of emptying gas tanks all day (that was when the new sienna's were recalled because someone pulled a ford pinto in their van, gas tank's exploded.) and my car history looks like this.

-I have blown an engine on a 1995 Ford Cosworth Escort (hence my nickname) it had some up and go, I had an intake, chip, exhaust, underdrive, and lightweight flywheel on it. blew the compression in two cylinders so she was sold.

-Then I had a 1991 Toyota Camry with the 1G-FE Altezza Spec engine (for those who dont know, the Altezza was the Lexus IS300 in japan before they brought it over here) from Japan in it, custom intake and exhaust, blew the head gasket on it and sold her off.

-Then a 1982 Toyota Celica Supra, It was rear wheel drive and a wicked first car. I brought the rear suspension through the mounts on the rear doing a pass at the local race strip.

Obviously they are not in chronological order. I went from most modded to least. So I have screwed up enough of my cars in my life that I want this one to be, not obnoxious and reliable.


Also if anyone thinks that I am bashing RRM. They have already sent me items that are being rocked on my car, I have an exhaust that I love and an intake that should arrive any day. So I am not docking the company at all. SO LAY OFF IT.


also i did a quick google search and this was the article he copied: http://www.machv.com/tip11cranpul.html so it isn't even his writing or opinion. I guess he just thought that was a good explanation. But I can tell you, on his 2005 Mustang GT, he has a supercharger, intake, dual custom exhaust, chip, short throw but NO AFTERMARKET PULLEY's. I should have clued in to the fact that they refer to imperial measurements. We are Canadian EH!

Last edited by the_cosworth; Aug 7, 2007 at 12:33 AM.
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Old Aug 7, 2007 | 08:37 AM
  #45  
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Not mad at the cosworth at all. The effect of the thread in its entirety seems to go after our products. Also for the record, I did not notify a mod if that is what that quote above is about. If I did that I would not post at all. There is nothing wrong with the topic either. COSWORTH, opinion.... makes it sound like COSWORTH as in the engine guys.. hmmm. Wonder who told them to do that? Anyway, don't obsess on this as the devil mod, not when there are so many things that have killed motors and these are not proven to kill motors. Someone missed that point.

ROAD/RACE
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