2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Gm Stage 3 pulley

Old 01-18-2007, 03:38 PM
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Originally Posted by CTCOBALTSSS
Hey Nate how have you been. I wanted to pop in here and tell everyone, nherbst454 made the 2.9" pulley I run. It fits perfect and haven't had a single issue with it. I bought mine a while ago too. Thanks again Nate.
^^^^ exacly what he said!! Thanx for a great pulley. P.S. Polished is ssooo worth the extra 5$$
Old 01-18-2007, 03:41 PM
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so you guys suggest a 2.85
Old 01-18-2007, 03:44 PM
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if i change mine, im going to just go 2.9 to stay on the safe side of things...
Old 01-18-2007, 03:47 PM
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I got 2.9. The extra .05-.1 isnt worth the headaches. I went the safe route
Old 01-18-2007, 03:50 PM
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Originally Posted by martinsmu
I got 2.9. The extra .05-.1 isnt worth the headaches. I went the safe route
i understand, looks like 2.9 it is
Old 01-18-2007, 03:51 PM
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My GM Stage 3 pulley should be here on Monday or Tuesday. I ordered it about a week ago. After I install a full exhaust system in about 2 weeks, I will then install that and let you know how it works out. I currently have on 06 ss/sc stage II, and an AEM CAI
Old 01-18-2007, 04:06 PM
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hey ct how is your clutch holding out? i am backing off getting the headlights which sucks but im likely getting the header dp and that 2.9 after taxes are returned/payed cus i make too much money 'sigh'
Old 01-18-2007, 04:11 PM
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Originally Posted by OniMirage
hey ct how is your clutch holding out? i am backing off getting the headlights which sucks but im likely getting the header dp and that 2.9 after taxes are returned/payed cus i make too much money 'sigh'
The clutch is great. I have actually found out our stock clutches are capable of holding 300whp.

There actualy is a fix to the stock clutch problem. Here is what was found in a nut shell.

These stock clutches are capable of 300whp. The problem is people aren't shifting at high enough RPMs. You should be shifting around 3,000rpm for normal daily driving. That's what these clutches like. Most people shift around 2,000 or 2,500 rpms all the time and believe it or not that actualy causes the clutch to slip and create a varnish on the disc which creates slipage. We think we are being nice to the car but it hurts the clutch. If you start shifting around 3,000 or even 3,5000 rpm all the time the varnish goes away and the clutch grips like crazy. Here is the write up.

https://www.cobaltss.net/forums/drivetrain-79/how-make-your-clutch-stop-slipping-find-out-inside-36130/

I have been doing this lately and I have to say it works wonders.
Old 01-18-2007, 04:41 PM
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Originally Posted by CTCOBALTSSS
The clutch is great. I have actually found out our stock clutches are capable of holding 300whp.

There actualy is a fix to the stock clutch problem. Here is what was found in a nut shell.

These stock clutches are capable of 300whp. The problem is people aren't shifting at high enough RPMs. You should be shifting around 3,000rpm for normal daily driving. That's what these clutches like. Most people shift around 2,000 or 2,500 rpms all the time and believe it or not that actualy causes the clutch to slip and create a varnish on the disc which creates slipage. We think we are being nice to the car but it hurts the clutch. If you start shifting around 3,000 or even 3,5000 rpm all the time the varnish goes away and the clutch grips like crazy. Here is the write up.

https://www.cobaltss.net/forums/showthread.php?t=36130

I have been doing this lately and I have to say it works wonders.
yeah my shifts points are all on or around that level usually less as speed increases and shift requirements get lower per gear
Old 01-18-2007, 04:42 PM
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Nice read, I must say i love this site
Old 01-18-2007, 04:48 PM
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Originally Posted by OniMirage
yeah my shifts points are all on or around that level usually less as speed increases and shift requirements get lower per gear
Good. That's good. So yeah the clutch is holding up nicely.

Originally Posted by Johnboy12358
Nice read, I must say i love this site
Me too man. I have learned soooo much from this site.

Not to mention good deals on group buys.
Old 01-18-2007, 09:54 PM
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just ordered the 2.9 pulley from ZZP fo rth e interchangable . Starting to gather up parts for spring to put on.

What you guys are saying is that the 3.0 pulley from ZZP is actually a 2.9999 and the 2.9ZZP is actually 2.89999 size So would that mean that I would be unsafe runningthe 2.9ZZP when GM Stage 3 pulley is actually 2.9999 which =3.0ZZP. Just curious
Old 01-18-2007, 10:02 PM
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Originally Posted by BCobaltSS
just ordered the 2.9 pulley from ZZP fo rth e interchangable . Starting to gather up parts for spring to put on.

What you guys are saying is that the 3.0 pulley from ZZP is actually a 2.9999 and the 2.9ZZP is actually 2.89999 size So would that mean that I would be unsafe runningthe 2.9ZZP when GM Stage 3 pulley is actually 2.9999 which =3.0ZZP. Just curious
whats happened is people are coming forward with data showing that the injectors from stage 2 can't manage the 2.8" because at about 6500rpm the injectors go static which means they cannot be controlled and are only spewing out gas at an uncontrolled rate. The IDC's are over 100% with a 2.8 and closer to ideal at 2.85 but a 2.9 is the ticket.
Old 01-18-2007, 10:14 PM
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so the ZZP 2.9 will be ok to run pass 6500rpm?
Old 01-19-2007, 09:53 AM
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Originally Posted by BCobaltSS
so the ZZP 2.9 will be ok to run pass 6500rpm?
Yes it will my friend.
Old 01-19-2007, 06:20 PM
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My stage 3 pulley arrived at my shop today. I will try to install it this weekend. I have an 06 ss/sc stage 2. I will let you know how it goes.
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