Stillen U.D. pulleys help.

Elmo370z · 12-05-2014, 11:00 PM

So what I;m asking is the Pulley won't hurt the engine at all. I just don't want sh*t to go wrong or dying in the long term.

Zoren 370 · 12-06-2014, 12:47 AM

Yes it would be fine I have my stillen for 24k miles now the car runs as fast as ever. But since its UD I think you need to change the alternator pulley too.

DEpointfive0 · 12-06-2014, 05:33 AM

Quote:

Originally Posted by Zoren 370

Yes it would be fine I have my stillen for 24k miles now the car runs as fast as ever. But since its UD I think you need to change the alternator pulley too.

No, you'll be fine unless you have a huge stereo. I have it without an alternator pulley and have no problems

Zoren 370 · 12-06-2014, 08:19 AM

^ If Andrew said its ok then you can take his statement like a good check to the bank and cash it in!

All you need is to get a reputable mechanic to install it!
Have fun with your Z!

synolimit · 12-06-2014, 09:35 AM

So for everyone who's blown their motors, I've always seen them run higher than OEM redline. I've seen the VVEL blow, the bearings blow, and the oil pump blow. I know the high rpm's killed those motors but I'm wondering how many had lightweight crank pulleys installed also. It just seems too risky.

And from holding a bunch of OEM crank pulleys after installing lightweight crank pulleys, they all seem solid but they're not. They all have a tiny rubber section splitting the two halves that you can move back-and-forth even with your own hands. Now imagine what kind of movement back-and-forth that can have at an 8000 RPM shift point.

Zoren 370 · 12-06-2014, 11:15 AM

^ So would you say for a few spirited runs in a week not even through redline is safe?

DEpointfive0 · 12-06-2014, 11:16 AM

Quote:

Originally Posted by Zoren 370

^ So would you say for a few spirited runs in a week not even through redline is safe?

I redline my car all the time, Stillen pulley has been on for... 20-30k miles?

Zoren 370 · 12-06-2014, 11:23 AM

Oh well lets go redline then. Lol

If my engine blows thats gonna be good excuse to get a C6!

Element600ee · 12-06-2014, 11:57 AM

i would never install them on my car on any car i work on . the only damper other than oem ive even used is an ati fluiddamper . there is an reason its there . say you have an alternator starting to go bad at that point your are adding a side load on and off the end of the crank that with a rubber isolator you wouldnt have added to the crank . besides that it is made to remove harmonic vibrations caused by combustion and side loads on the crank at diff angles . hence the name harmonic balancer . the gains you will see from changing this are so minimal its not worth the risk .

risk vs reward = no beuno to me ..

its your car do as you will . ill leave you with this . look up whatever race motors you want you will see a balancer on there not a straight crank pulley . granted most of them are driving dry sump oil systems and or mechanical pumps . most teams use ati balancers in my exp .. very good product .. hell call your local reputable machine shop and ask him the value of the balancer . im not saying it will blow up tomorrow just that its there for good reason .

12-06-2014, 08:19 AM	#4 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913655	^ If Andrew said its ok then you can take his statement like a good check to the bank and cash it in! All you need is to get a reputable mechanic to install it! Have fun with your Z! DEpointfive0 likes this.

12-06-2014, 09:35 AM	#5 (permalink)
synolimit A True Z Fanatic Join Date: May 2013 Location: Columbus, OH Posts: 5,051 Drives: 2013 Silver 370z Rep Power: 3391	So for everyone who's blown their motors, I've always seen them run higher than OEM redline. I've seen the VVEL blow, the bearings blow, and the oil pump blow. I know the high rpm's killed those motors but I'm wondering how many had lightweight crank pulleys installed also. It just seems too risky. And from holding a bunch of OEM crank pulleys after installing lightweight crank pulleys, they all seem solid but they're not. They all have a tiny rubber section splitting the two halves that you can move back-and-forth even with your own hands. Now imagine what kind of movement back-and-forth that can have at an 8000 RPM shift point. Zoren 370 likes this. __________________ 13 370z-

12-06-2014, 11:23 AM	#8 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913655	Oh well lets go redline then. Lol If my engine blows thats gonna be good excuse to get a C6! DEpointfive0 likes this.

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12-05-2014, 11:00 PM	#1 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,730 Drives: 09 nissan 370z Sp M6 Rep Power: 295380	So what I;m asking is the Pulley won't hurt the engine at all. I just don't want sh*t to go wrong or dying in the long term.

12-06-2014, 12:47 AM	#2 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913655	Yes it would be fine I have my stillen for 24k miles now the car runs as fast as ever. But since its UD I think you need to change the alternator pulley too.

12-06-2014, 11:15 AM	#6 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913655	^ So would you say for a few spirited runs in a week not even through redline is safe?

12-06-2014, 11:57 AM	#9 (permalink)
Element600ee Base Member Join Date: Sep 2014 Location: Abingdon md Posts: 86 Drives: 10 370z Monterey Rep Power: 13	i would never install them on my car on any car i work on . the only damper other than oem ive even used is an ati fluiddamper . there is an reason its there . say you have an alternator starting to go bad at that point your are adding a side load on and off the end of the crank that with a rubber isolator you wouldnt have added to the crank . besides that it is made to remove harmonic vibrations caused by combustion and side loads on the crank at diff angles . hence the name harmonic balancer . the gains you will see from changing this are so minimal its not worth the risk . risk vs reward = no beuno to me .. its your car do as you will . ill leave you with this . look up whatever race motors you want you will see a balancer on there not a straight crank pulley . granted most of them are driving dry sump oil systems and or mechanical pumps . most teams use ati balancers in my exp .. very good product .. hell call your local reputable machine shop and ask him the value of the balancer . im not saying it will blow up tomorrow just that its there for good reason .