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07-27-2011, 02:06 PM | #1 |
NST crank pulley
i just ordered one from micro image today and i know there is quicker throttle response, but is the any hp gains, just wondering...
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07-27-2011, 04:25 PM | #2 |
Drives: Scion FRS RS2, ‘21 Crosstrek Join Date: Oct 2008
Location: Chatham, Ontario, Canada
Posts: 1,729
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It's an efficiency upgrade (lighter weight, less load) not a power adder.
It is much easier to stall a manual Yaris (finicky clutch combined with low torque at engagement rpm) with an NST pulley due to less rotation enertia. For the same reason the R's spin up faster once you're underway, into the powerband and going through the gears.
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TRD Upgrades: 18" Wheels wrapped in 215/35/18 PZero's, Sportivo Shocks/Struts, Lowering Springs, Swaybar, Axle-Back Exhaust, Oil Cap, Rad Cap, Signage. Aftermarket Goodies: Piggies SS, K&N Drop-In, Blitz S/C, DC Header, NST Pulley) Toyota Options/Accessories: Sport Pedal Covers, Sport Shift Knob, Ipod Interface, Summer Mats, Winter Mats, Cruise Control, Auto-Dim Mirror, Echo steelies with winter boots. |
07-28-2011, 01:40 AM | #3 |
Only Happy When it Rains
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as weird as this sounds, i haven't stalled my Yaris since putting on the pulley kit, and I always stall the thing with that horrid clutch.
And as was said, it won't add any power, it will remove weight, which frees up power to go to the wheels.
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Colin Chapman disciple |
07-28-2011, 10:20 AM | #4 |
sounds like a good piece, from what i read its not that hart to install.
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07-29-2011, 03:57 PM | #5 |
Drives: Scion FRS RS2, ‘21 Crosstrek Join Date: Oct 2008
Location: Chatham, Ontario, Canada
Posts: 1,729
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It's a quick no-brainer.
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TRD Upgrades: 18" Wheels wrapped in 215/35/18 PZero's, Sportivo Shocks/Struts, Lowering Springs, Swaybar, Axle-Back Exhaust, Oil Cap, Rad Cap, Signage. Aftermarket Goodies: Piggies SS, K&N Drop-In, Blitz S/C, DC Header, NST Pulley) Toyota Options/Accessories: Sport Pedal Covers, Sport Shift Knob, Ipod Interface, Summer Mats, Winter Mats, Cruise Control, Auto-Dim Mirror, Echo steelies with winter boots. |
07-28-2011, 12:49 PM | #6 | |
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Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
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Quote:
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
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07-29-2011, 04:26 PM | #7 |
daily driver
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if you don't plan for a supercharger, get the underdrive crank pulley....it has better benefits than the stock-sized lightweight pulley (i know from experience)
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07-30-2011, 10:34 AM | #8 |
Only Happy When it Rains
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since i'be been driving to fall river every day( about an hour and a half) I can really say the pulley set helps me get better gas mileage. The car seems to just float at certain revs when I take my foot off the gas. We'll see how my next tank of gas goes, but my last one i hit 38 mpg with ac on and averaging 70 or so on the highway.
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Colin Chapman disciple |
07-30-2011, 10:49 AM | #9 |
sounds like a real good peice mpg and some performance.... cant wait to install
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07-30-2011, 12:13 PM | #10 |
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Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
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@ the barber: we don't know when NST is going to make more of those.
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
08-01-2011, 04:18 PM | #11 |
daily driver
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more underdrive pullies? i didnt realize they were out of stock...
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08-01-2011, 01:17 PM | #12 |
got it today, super fast shipping, cant wait to install
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08-01-2011, 07:13 PM | #13 |
Drives: 2010 Prius, 2007 Yaris Sedan Join Date: Oct 2009
Location: Ocala Florida
Posts: 368
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yup, Garm has them backordered and NST sent me an e-mail saying they have no ETA of making any new ones. :(
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08-01-2011, 10:29 PM | #14 |
Drives: 08 BMW 135i Join Date: Jul 2011
Location: Durham, NC
Posts: 74
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08-02-2011, 12:44 PM | #15 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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It would be nice if they were re-engineering it with a little more material around the crank bolt.
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08-02-2011, 03:07 PM | #16 |
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Drives: 07 Yaris Turbo Join Date: May 2007
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^ working on it.
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
08-02-2011, 03:26 PM | #17 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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Wish I would have known that before I spent way to much on this one.
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08-02-2011, 03:44 PM | #18 |
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Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
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That's pretty. Yeah, but you have it now, and I'm only in R&D mode, so it's all good.
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
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