Stillen Crank Pulley Upgrade - Page 3 - Infiniti Q50 Forum
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post #21 of 31 (permalink) Old 10-12-2015, 08:19 PM
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I thought about ordering the pulley but not sure yet. Let me know if you can feel any gains.


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Will do, not sure when I'll get it on. I'm not in any rush though.

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post #22 of 31 (permalink) Old 10-12-2015, 08:38 PM
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Will do, not sure when I'll get it on. I'm not in any rush though.

That's fine. Thanks!


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post #23 of 31 (permalink) Old 10-12-2015, 08:47 PM
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I'll be selling mine soon. Selling the car so I'm parting everything out. Will post the part out here soon.

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post #24 of 31 (permalink) Old 10-22-2015, 09:51 PM
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How does the engine feel with the pulley? Which pulley do you have?
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post #25 of 31 (permalink) Old 10-25-2015, 03:29 PM
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I've got a nearly new Stillen underdrive pulley and belt for sale in the classifieds.

http://www.infinitiq50.org/forum/q50...r-engines.html

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post #26 of 31 (permalink) Old 01-11-2016, 10:20 PM
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I'll be selling mine soon. Selling the car so I'm parting everything out. Will post the part out here soon.
Are you selling yours? msg me 7739883748
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post #27 of 31 (permalink) Old 07-06-2016, 02:10 AM
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Not sure if this is cause for concern or not but I recently purchase the Stillen Underdrive Crank Pulley Part #400370 (370Z/G37) from an out of state seller (because of CA emissions laws). The part just arrived tonight but when I went online to check the part number, I can't find any info. From what I can tell Stillen discontinued the part and has left zero information about the product online.

Can the guys that have installed this part on their Q's confirm fitment and part number for me please???

2015 Slvr/Blk Q50 3.7 RWD
Niche Essen 20x9 - 255/35's
Stillen Front & Rear Sway Bars
Stillen Lightweight Underdrive Pulley
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post #28 of 31 (permalink) Old 07-06-2016, 12:18 PM
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Originally Posted by Sandro Natale View Post
Not sure if this is cause for concern or not but I recently purchase the Stillen Underdrive Crank Pulley Part #400370 (370Z/G37) from an out of state seller (because of CA emissions laws). The part just arrived tonight but when I went online to check the part number, I can't find any info. From what I can tell Stillen discontinued the part and has left zero information about the product online.

Can the guys that have installed this part on their Q's confirm fitment and part number for me please???
There are no issues with the part. Because of CARB and EPA regulation we have discontinued a lot of parts that are not emissions legal. That is the only reason the part is no longer for sale.

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post #29 of 31 (permalink) Old 07-06-2016, 04:26 PM
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Thank you Mark @Team_STILLEN . Tell Kenny I said thank you again. The sway bars have made a huge difference and the install was a breeze. One small piece of feedback, tell the sway bar makers to thoroughly drill out the holes at the end of the sway bars. One of mine had extra material in the way so I had to drill it out a little to get the bolt to go through.
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2015 Slvr/Blk Q50 3.7 RWD
Niche Essen 20x9 - 255/35's
Stillen Front & Rear Sway Bars
Stillen Lightweight Underdrive Pulley
Tanabe Strut Tower Brace
Z1 Intake Tubes
K&N Drop in filters
EBC Redstuff Brake Pads
Ecutek Tuned
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post #30 of 31 (permalink) Old 07-29-2016, 12:12 AM
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Product Review:

On Tuesday I installed a Stillen Lightweight Underdrive Crank Pulley. So far it has proven to be a fantastic upgrade and well worth the money. The car pulls sooner and lighter through every gear. The torque builds earlier, and the engine note has picked up a moderate "Vtec" sound which I like a lot.

Installation was 3 out of 5 difficulty. Make sure you have the right tools. Specifically a short gear puller to get in between the radiator fan and the front of the stock pulley.

2015 Slvr/Blk Q50 3.7 RWD
Niche Essen 20x9 - 255/35's
Stillen Front & Rear Sway Bars
Stillen Lightweight Underdrive Pulley
Tanabe Strut Tower Brace
Z1 Intake Tubes
K&N Drop in filters
EBC Redstuff Brake Pads
Ecutek Tuned
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