08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

The Official "I'm on a Big Turbo" Thread

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Old 09-09-2013, 02:06 PM
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1)Type of turbo - Zfr
2)Power you are trying to make - 400
3)Power you are currently at (if known) - never dyno'd but estimating 380
4)Your redline - 7300
5)Are you built or not - No. Stock head and block
6)Anything else you would like to add about the set up - zzp valve springs and a methanol set up
7)HPtuned or trifecta - HPtuned by Term2
Old 09-09-2013, 02:28 PM
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How's the pull up to 7300?? Any drop off?
Old 09-09-2013, 02:37 PM
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No sir. It just keeps pulling and pulling. I love it.

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Old 09-09-2013, 02:48 PM
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Originally Posted by Wert842
No sir. It just keeps pulling and pulling. I love it.

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Nuts of steel goes to you for doing that on stock head. LOL I'm scared to do that with my car right now haha.
Old 09-09-2013, 02:53 PM
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Originally Posted by Fastgti69
Nuts of steel goes to you for doing that on stock head. LOL I'm scared to do that with my car right now haha.
He have valves springs....I want to put them in but I heard they wear your timing chain out quicker....I would love to rev to 7200
Old 09-09-2013, 03:52 PM
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I do not have valve springs.

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Old 09-09-2013, 04:01 PM
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Oooooh ok...my bad....read to fast
Old 09-09-2013, 04:05 PM
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Originally Posted by Fastgti69
Nuts of steel goes to you for doing that on stock head. LOL I'm scared to do that with my car right now haha.
This x100!

You're playing with fire revving that high on the stock valvetrain Sam.

I'm obviously on an efr6758 as well and there's no way in hell I'd risk revving mine past 6800 on stock top end. That's just me though.
Old 09-09-2013, 04:39 PM
  #134  
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1.) Type of turbo - zzp s256et .55ar
2.) Power you are trying to make - around 480whp
3.) Current Power - 508whp 445wtq @28psi
4.) Redline - 7250
5.) Built or not - Completely stock longblock, valvecover to oil pan! 85k miles
6.) More about the setup - E85, OTTP RSFS, 80# injectors, DW300 pump. Highest hp stock longblock LSJ in the country.
7.) Tuning - HP Tuned by armcclure
Old 09-09-2013, 05:10 PM
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Originally Posted by jhaddock21
1.) Type of turbo - zzp s256et .55ar
2.) Power you are trying to make - around 480whp
3.) Current Power - 508whp 445wtq @28psi
4.) Redline - 7250
5.) Built or not - Completely stock longblock, valvecover to oil pan! 85k miles
6.) More about the setup - E85, OTTP RSFS, 80# injectors, DW300 pump. Highest hp stock longblock LSJ in the country.
7.) Tuning - HP Tuned by armcclure
Nice, stock block or stock engine?
Old 09-09-2013, 05:36 PM
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Originally Posted by 09CobaltSS1

This x100!

You're playing with fire revving that high on the stock valvetrain Sam.

I'm obviously on an efr6758 as well and there's no way in hell I'd risk revving mine past 6800 on stock top end. That's just me though.
Lol. You guys are acting like I'm driving around and doing it all the time. I only rev that high at the track. Not all the time. When im not at the track I shift at like 6700-6800.

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Old 09-10-2013, 10:11 AM
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Originally Posted by taintedred07
Nice, stock block or stock engine?
Completely stock engine from valve cover to oil pan.
Old 09-10-2013, 10:33 AM
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1)Type of turbo - Zfr
2)Power you are trying to make - 400
3)Power you are currently at (if known) - 410hp
4)Your redline - 7400
5)Are you built or not - No. Stock head and block
6)Anything else you would like to add about the set up - Supertech #78 valve springs and a methanol set up - 50/50 mix @ 7gph nozzle.
7)HPtuned or trifecta - SSKev HPT

Next year - 100% meth, 12gph nozzle, differnt intake and new lower IC piping. - My goal is just to get more TQ.- Will also have 4.45 gears installed as well ( before i break stock lol )
Old 09-10-2013, 11:04 AM
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**** I have built motor with everything besides cams and I don't go past 7k lol
Old 09-10-2013, 11:12 AM
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Originally Posted by kdub1492
**** I have built motor with everything besides cams and I don't go past 7k lol
Lol. Grow some *****!

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Old 09-10-2013, 11:27 AM
  #141  
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im looking for 400whp/400wtq, is that possible with the bnr? on 93 oct. and is it safe with stock tranny to be at that power. i have all the bolt ons and clutch, my car has 25k on it. Or do i have to go with the Zfr to fully reach my goal?
Old 09-10-2013, 12:10 PM
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Originally Posted by rcd18
im looking for 400whp/400wtq, is that possible with the bnr? on 93 oct. and is it safe with stock tranny to be at that power. i have all the bolt ons and clutch, my car has 25k on it. Or do i have to go with the Zfr to fully reach my goal?
Bnr can reach it if not get close to your goals. Samething with the Zfr. You could get more out of each turbo depending on fueling and other mods. My stock trans made it 6k miles before breaking. Like I've stated before in some of my other posts, I drive my car hard. That lead to me getting the 4.45 trans and it completely transforms the car into a new powerhouse. I do have a Zfr and absolutely love it. Power band is so crisp and clean and just keeps pulling the whole way to redline. It is a little slower to full spool compared to stock turbo but until it gets full spooled the car is pulling hard.

With the way my car is tuned and the 4.45 trans I'd estimate I'm at 380-390whp/450wtq.

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Old 09-10-2013, 12:19 PM
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how are the 4,45 gears. all power all the time ?
Old 09-10-2013, 12:30 PM
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Originally Posted by r3v07ut10n
how are the 4,45 gears. all power all the time ?
Hell ya. You can do a pull in just about any gear. 3rd-4th gear is nuts. It just rips.

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Old 09-10-2013, 12:34 PM
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**** i cant wait now lol. I love going from 3rd to 4th
Old 09-10-2013, 12:40 PM
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I did too but now its nuts. It pulls so hard your gripping the wheel pretty good.

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Old 09-10-2013, 09:26 PM
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Originally Posted by Wert842
With the way my car is tuned and the 4.45 trans I'd estimate I'm at 380-390whp/450wtq.
Those torque numbers seem awfully optimistic.
Old 09-10-2013, 10:46 PM
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Originally Posted by 09CobaltSS1

Those torque numbers seem awfully optimistic.
Lol. Gotta get on the dyno and see then. Maybe October 12th in CT...

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Old 09-10-2013, 10:49 PM
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My cars starting to run pretty good, now on built motor and head, 6 speed, 6262, need better tires, nt05's are not cutting it now, even on 15 lbs.
Old 09-11-2013, 10:52 AM
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^^^thats sweet are you going to stay with nitto mayb 555r??


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