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Old 10-23-2017, 12:11 PM   #1
bhillakaiceberg

 
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Drives: 2011 2SS/RS & 2017 1SS
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Circle D 4C 245mm Full Billet Stall Converter Installed

After sitting on the floor since August, I finally had my 245mm Circle D 4C stall converter installed up at RPM (Race Proven Motorsports - DE)! I had the dreaded TC shuddering on the stock converter and it was just getting worse and worse by the day (16K miles on the car).

I have used the good folks at RPM multiple times over the years and have always been satisfied.

I have a Circle D in my 5th gen, so it was a no brainer to get one in my 6th Gen. The 4C WAKES this car up!! Night and Day difference for sure! Drive with traction control on for everyday driving...LOL! Car stays in the powerband and the shift drop is A LOT less now. I can brakestall to a tad over 3K RPM, before the car starts budging. Very impressed and I wouldn't expect anything different from Chris and the good folks at Circle D.

The trans def has to be tuned for it tho. I drove around on the stock trans TCC tables and such for a cpl days before I made a couple tweaks and it seems just about right now. HPT Beta has additional tables finally for TCC Lockup and such. I have TCC slip turned off on every gear, but not at 3,200RPM range (For the folks who know that table).

I was previously doing 1.55/1.56 60fts with a 26" tire at the track, so let's see if I can dip into the mid 1.4x area code...should be no issue tho.


Excerpt for RPM Weekly video....
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE
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2017 Chevrolet Camaro 1SS Auto
9.29 @144.57mph ALL MOTOR SBE

#TEAMGPI Gwatney Performance Innovation


Last edited by bhillakaiceberg; 10-23-2017 at 12:21 PM.
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Old 10-23-2017, 12:36 PM   #2
Darth Martel
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beautiful... leaning towards making the switch but waiting to see how the triple flush and the TCM tweaks are first before I step into an aftermarket TC.
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Old 10-23-2017, 12:39 PM   #3
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Im jealous and will you be at Capitol Friday evening with daylight under the front tires
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Old 10-23-2017, 01:11 PM   #4
bhillakaiceberg

 
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Im jealous and will you be at Capitol Friday evening with daylight under the front tires
That's the plan Dan, not sure about daylight tho!! Come on down!
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE
Built/Tuned by Me

2017 Chevrolet Camaro 1SS Auto
9.29 @144.57mph ALL MOTOR SBE

#TEAMGPI Gwatney Performance Innovation

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Old 10-23-2017, 01:18 PM   #5
USAFS197

 
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Can you post a video of the driving characteristics on the street under normal conditions?
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Old 10-23-2017, 01:52 PM   #6
bhillakaiceberg

 
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Can you post a video of the driving characteristics on the street under normal conditions?
Yea..I will try to get that for ya this week.
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE
Built/Tuned by Me

2017 Chevrolet Camaro 1SS Auto
9.29 @144.57mph ALL MOTOR SBE

#TEAMGPI Gwatney Performance Innovation

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Old 10-23-2017, 01:56 PM   #7
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Awesome bro. Glad you got it in. It is a world of difference. I dropped 1.5 on my 60ft with mine. You could see some low 1.4's. When you get those TCC tables figured out hook a brotha up. LOL.
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Old 10-23-2017, 02:24 PM   #8
Snowblind

 
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Sweeet. I'm sure it will work out for you, I didn't want to crack mine apart and do this mod...but if you light it up, I may be calling them and getting one too. How many shop hours did they bill for the job? Just wondering if it's a driveway and a case of beer event or a drop it off kinda thing.

I just started watching their videos over the weekend, they are pretty entertaining too.
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Old 10-23-2017, 02:32 PM   #9
bhillakaiceberg

 
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Quote:
Originally Posted by PRAY View Post
Awesome bro. Glad you got it in. It is a world of difference. I dropped 1.5 on my 60ft with mine. You could see some low 1.4's. When you get those TCC tables figured out hook a brotha up. LOL.
Already know Bro!

Quote:
Originally Posted by Snowblind View Post
Sweeet. I'm sure it will work out for you, I didn't want to crack mine apart and do this mod...but if you light it up, I may be calling them and getting one too. How many shop hours did they bill for the job? Just wondering if it's a driveway and a case of beer event or a drop it off kinda thing.

I just started watching their videos over the weekend, they are pretty entertaining too.
Yea...I usually do all my own work, but I just hate doing transmission work! LOL. Not sure on hours but I'd bet 4.5-5.5hrs based on rates round here.
__________________
2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE
Built/Tuned by Me

2017 Chevrolet Camaro 1SS Auto
9.29 @144.57mph ALL MOTOR SBE

#TEAMGPI Gwatney Performance Innovation

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Old 10-23-2017, 02:51 PM   #10
PRAY


 
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Quote:
Originally Posted by Snowblind View Post
Sweeet. I'm sure it will work out for you, I didn't want to crack mine apart and do this mod...but if you light it up, I may be calling them and getting one too. How many shop hours did they bill for the job? Just wondering if it's a driveway and a case of beer event or a drop it off kinda thing.

I just started watching their videos over the weekend, they are pretty entertaining too.
I am doing mine off my back and it sucks so far. This is lift worthy for sure.
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Old 10-24-2017, 06:14 AM   #11
Darth Martel
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Stealerships are charging 12 hours
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2016 Black 1SS w/ MRC, low-gloss black wheels, auto trans. Self-created custom Dark Knight Edition accents. Rotofab CAI with dry filter and sound tube delete, PRAY ported intake manifold and throttle body, Texas Speed cam, Stainless Works headers and exhaust, Skid Mark garage E85 kit, JMS fuel pump voltage booster, Circle D torque converter. Custom E85/mod tune by Jannetty Racing.
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