2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Pulley Question

Old Jun 22, 2009 | 11:22 AM
  #1  
zetterbergfan1's Avatar
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From: Fenton Michigan
Pulley Question

What brand crank pulley would you guys reccomend for the 2.2l?? i heard MRZ was probably my best bet.
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Old Jun 22, 2009 | 11:26 AM
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Cobalt Addictions has a nice setup out... its in the same price range as MRZ... but I have some bad and some good things from Cobalt addictions...
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Old Jun 22, 2009 | 11:31 AM
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From: Fenton Michigan
i know i was looking at teh stage one setup but i was told you couldnt go wrong with MRZ. But cobalt addiction has better prices a little bit i think. i was just curious before i buy the crank and alternator pulleys. maybe you guys would have some advice like waht to get and what to stay away from
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Old Jun 22, 2009 | 09:42 PM
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We might be like $5-10 more but is way higher quality BUT the most important of all this that we stand behind each and every product we sell We have a stong reputation and we wont let anyone down! you cannot say the same of some other vendors over here....

Now the technical... our pulley carry a integrated steel ring to prevent oil leakage with time and use, competition does NOT! We also have a one piece design for a perfect balance and rigidity, our pulleys wont fly out the hood at 6k rpm... :P Our pulleys have been dynoed and proved to be realiable for about 18 months now. I dont want to start a debate but just show the fact on our pulleys


Let me know if you have any questions!
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Old Jun 23, 2009 | 08:54 AM
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Originally Posted by MRZ - RedGTZ
We might be like $5-10 more but is way higher quality BUT the most important of all this that we stand behind each and every product we sell We have a stong reputation and we wont let anyone down! you cannot say the same of some other vendors over here....

Maybe if you would sell your pulleys for 5-10 less than the competition (atleast to cobaltss.net members ) then there might not even be a competition!!!..
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Old Jun 23, 2009 | 09:31 AM
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Just hit me up with a PM and we'll see do something for sure
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Old Jun 23, 2009 | 01:49 PM
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cobalt addiction has major problems with communitcation and shipping, and dont even think about jbp. MRZ is awesome, they communicate with you and shipping is quick, i got mine faster then what the shipping quote was by a few days.

Originally Posted by zetterbergfan1
i know i was looking at teh stage one setup but i was told you couldnt go wrong with MRZ. But cobalt addiction has better prices a little bit i think. i was just curious before i buy the crank and alternator pulleys. maybe you guys would have some advice like waht to get and what to stay away from
personally, id rather spend the 5-10$ to make sure i get the product in less then a few mo (has happened to members going through cobalt addiction) and to get one that I know works. I race my car on the track and run it pretty hard, I have a 7200rpm rev limiter and fully bolted cammed 2.2 and both the mrz alt and crank pullies are holding up great

Last edited by NWAE Cobalt; Jun 23, 2009 at 01:49 PM. Reason: Automerged Doublepost
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Old Jun 23, 2009 | 06:38 PM
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http://www.atiracing.com/products/da...ts/damserp.htm

This is the only crank damper/pulley you should consider. Everything else is not designed for long term durability of your engine.
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Old Jun 23, 2009 | 07:32 PM
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I have the MRZ UDP -- just about since they started selling them -- and haven't had any problems with it.
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Old Jun 23, 2009 | 09:10 PM
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Originally Posted by MRZ - RedGTZ
We might be like $5-10 more but is way higher quality BUT the most important of all this that we stand behind each and every product we sell We have a stong reputation and we wont let anyone down! you cannot say the same of some other vendors over here....

Now the technical... our pulley carry a integrated steel ring to prevent oil leakage with time and use, competition does NOT! We also have a one piece design for a perfect balance and rigidity, our pulleys wont fly out the hood at 6k rpm... :P Our pulleys have been dynoed and proved to be realiable for about 18 months now. I dont want to start a debate but just show the fact on our pulleys


Let me know if you have any questions!
Mine has been on for 10 months and I never had a problem

Don't forget to mention that the other pulley only has the hub anodized
Many members here drive their cars in the snow during the winter
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Old Jun 24, 2009 | 09:15 AM
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From: Fenton Michigan
okay thank you guys this was really helpful!!! this is why i love this website, most people are nice and knowledgeable about stuff and reps from the actual manufacturers are here too!!!
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Old Jun 24, 2009 | 05:15 PM
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Hey MRZ...I do have a question, i've seen and known several people with performance underdrive pulleys that have after long time their cranks crack in half, and the problem is related to the pulley not having a harmonic dampener...do your pulleys have that?
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Old Jun 24, 2009 | 06:48 PM
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Originally Posted by avenger09123
Hey MRZ...I do have a question, i've seen and known several people with performance underdrive pulleys that have after long time their cranks crack in half, and the problem is related to the pulley not having a harmonic dampener...do your pulleys have that?
No, there is currently no "lightweight" pulley on the market that does, thats why youll always see me saying these arent designed with the engines long term reliability in mind.
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