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Does anyone have a Cosmo Underdrive Crank Pulley?

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Old 11-16-2007, 07:56 AM
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Does anyone have a Cosmo Underdrive Crank Pulley?
I wanted to know how it has worked so far, and how it compares to an Unorthodox Racing one.
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Old 11-16-2007, 11:23 AM
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The only Cosmo stuff I see talked about in this (or the 5th gen) subforums are their intakes and short throw shifters, and most of those threads are 3+ years old...
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Old 11-16-2007, 05:11 PM
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So do you think it would be better to spend the extra cash for an Unorthodox one?
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Old 11-16-2007, 05:29 PM
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Several poeple in 6th gen have them and havent heard any problems yet.
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Old 11-16-2007, 05:45 PM
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waste your money on something else....
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Old 11-16-2007, 05:47 PM
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Well I already have a place racing CAI, and a Warp Y, what else is a good bang (POWER INCREASE) for your buck?
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Old 11-16-2007, 06:02 PM
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I noticed a difference but spacers?
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Old 11-16-2007, 06:08 PM
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Originally Posted by Mctwist77
Well I already have a place racing CAI, and a Warp Y, what else is a good bang (POWER INCREASE) for your buck?
Nitrous. Arguably the best performance (potential) for the least amount of money, at least up front.

UDPs are basically worthless.
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Old 11-16-2007, 06:19 PM
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UDP dont add much but the 5 hp for $60 isnt bad. Spacers are like $200 and add on the 6th gen 10hp 12tq.

The 4th gen kit is still in the works. I have already completed my initial design and gotten around several problems, including the UIM coolant bypass and stock EGR tube fitment. I will be starting the CAD drawings within a week and hope to have a prototype sometime in Nov. It takes a LONG time to produce the CAD drawings when you don't copy the gaskets. I always based my drawings off of the actual manifolds and make sure everything is port matched! 150 R&D hours went into the VQ35DE kit and I expect this kit to be roughly the same.

Nitrous is cool and all but what I hate is once the bottle is empty so is the fun.
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Old 11-16-2007, 06:23 PM
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I know this is the 4th gen forum, but stop ricer math.
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Old 11-16-2007, 06:24 PM
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i have one for sale $40+shipping (this is why mctwist is asking) the cosmo udp pulley weighs 1.625lbs according to usps.
heres a pic of the diameter:
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Old 11-16-2007, 06:24 PM
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Originally Posted by NmexMAX
I know this is the 4th gen forum, but stop ricer math.
Sad that things have come to that.
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Old 11-16-2007, 06:25 PM
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Ricer math for the UDP but I thought the spacers were dyno proven?
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Old 11-16-2007, 06:27 PM
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Gains, IMO, are not just peak #'s.
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Old 11-16-2007, 06:29 PM
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Sorry Im not as precise about everything as you. He asked a question and was just trying to contribute. What would be your best bang for the buck?
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Old 11-16-2007, 06:33 PM
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Originally Posted by redls1
Sorry Im not as precise about everything as you. He asked a question and was just trying to contribute. What would be your best bang for the buck?
VQ35 swap?
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Old 11-16-2007, 06:33 PM
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best bang for buck would be an ebay speed chip, plus 20hp for about a buck!
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Old 11-16-2007, 11:17 PM
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Originally Posted by Mctwist77
Well I already have a place racing CAI, and a Warp Y, what else is a good bang (POWER INCREASE) for your buck?
Try this-->http://forums.maxima.org/showthread.php?t=542561 This is being sold by the owner of the fastest N/A max on the org...search for more info.
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Old 11-18-2007, 04:28 PM
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Originally Posted by Mctwist77
Well I already have a place racing CAI, and a Warp Y, what else is a good bang (POWER INCREASE) for your buck?
take your power steering belt off and your AC belt off too, try that for a day, you'll smile, do it with the UDP as well
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Old 11-24-2007, 01:01 AM
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Originally Posted by dead2fall
take your power steering belt off and your AC belt off too, try that for a day, you'll smile, do it with the UDP as well
LOL! it does work hah jk i never tried it
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Old 11-24-2007, 05:01 PM
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Originally Posted by pmohr
UDPs are basically worthless.
Yes.
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