Cadillac Owners Forum banner

1 - 20 of 32 Posts

·
Registered
V2
Joined
·
1,079 Posts
Discussion Starter #1
For those of you that have been asking the question it seems to be an estimated 550 with the stock internal components.

I was doing around 650 and mine started slipping today. Got an error code that a solenoid was stuck so prolly got some debris in it. Anyone doing 600+ your on borrowed time.

Circle-D (http://www.circledtrans.com/) is doing good things with the tranny. They have a 600 crank hp currently and a 800 crank hp in development.

I should have a built tranny hopefully this week. I will post my findings and results when I am done.
 

·
Registered
2009 CTS-V , 2010 SRX 2.8T
Joined
·
3,085 Posts
I'm honestly suprised that with some of the mods you auto owners have the first thing you don't invest in is in an additional transmission cooler like a nice setrab. It's the heat that kills the slushboxes
 

·
Registered
09 V B-B
Joined
·
502 Posts
I'm honestly suprised that with some of the mods you auto owners have the first thing you don't invest in is in an additional transmission cooler like a nice setrab. It's the heat that kills the slushboxes
Good fluid should help too, right?
 

·
Registered
2009 CTS-V , 2010 SRX 2.8T
Joined
·
3,085 Posts
^ fluid will help a little although not as much as the temperature of the fluid. Under the intake if you pull out that brake duct and put in a good transmission cooler with a bracket it would help alot in keeping the transmission togethor for alot longer.
 

·
Registered
2012 CTS-V Sedan, 2011 CTS Coupe, 2010 Ford Raptor
Joined
·
3,547 Posts

·
Registered
v2
Joined
·
44 Posts
CadV,
If you dont mind me asking - is Circle D building out your trans or do they have cores available so you can just exchange once they are complete?

Thx,
Chris
 

·
Registered
2010 CTS-V
Joined
·
8 Posts
With the new 6 speed autos from gm, the ability to handle more power is in who tunes it. The 6L90 in the CTSV is very similar to the 6L80 in the vettes. I had an A6 in my 08 vette making 700rwhp and it lived and I never took it easy on the car, it was driven hard. I would think 650rwhp on a stock tranny would live as long as the tune was right. Tuning the new autos is tricky.
 

·
Registered
2009 CTS-V
Joined
·
816 Posts
With the new 6 speed autos from gm, the ability to handle more power is in who tunes it. The 6L90 in the CTSV is very similar to the 6L80 in the vettes. I had an A6 in my 08 vette making 700rwhp and it lived and I never took it easy on the car, it was driven hard. I would think 650rwhp on a stock tranny would live as long as the tune was right. Tuning the new autos is tricky.
In talking to Jesse this weekend he had noted that the 6L90 is markedly stronger that the 6L80 used in say the Camaro.

However, running 650 rwhp in a 4200-4300 pound Caddy is alot easier on a trans than running it in a car that is nearly 1000 pounds lighter. Add regular use of sticky tires and high trans temps (I'll be getting an aftermarket trans cooler ASAP) and the longevity/durability becomes even more variable.
 

·
Registered
V2
Joined
·
1,079 Posts
Discussion Starter #13
CadV,
If you dont mind me asking - is Circle D building out your trans or do they have cores available so you can just exchange once they are complete?

Thx,
Chris
GM will do the core swaps though. I am sending a new tranny straight from GM and then I will give them the old one after the built one is installed. You get a month to give them the old one.
 

·
Registered
V2
Joined
·
1,079 Posts
Discussion Starter #14
With the new 6 speed autos from gm, the ability to handle more power is in who tunes it. The 6L90 in the CTSV is very similar to the 6L80 in the vettes. I had an A6 in my 08 vette making 700rwhp and it lived and I never took it easy on the car, it was driven hard. I would think 650rwhp on a stock tranny would live as long as the tune was right. Tuning the new autos is tricky.
I am requesting a tune from them so I am perfectly compliant. They want me to use their tq converter as well so I am going to do it.
 

·
Registered
V2
Joined
·
1,079 Posts
Discussion Starter #15
However, running 650 rwhp in a 4200-4300 pound Caddy is alot easier on a trans than running it in a car that is nearly 1000 pounds lighter.
That takes the cake on stupid comments. If he really did say that he is clueless.
 

·
Registered
V2
Joined
·
1,079 Posts
Discussion Starter #16
I'm honestly suprised that with some of the mods you auto owners have the first thing you don't invest in is in an additional transmission cooler like a nice setrab. It's the heat that kills the slushboxes
It comes with one stock.
 

·
Registered
2009 CTS-V
Joined
·
816 Posts
That takes the cake on stupid comments. If he really did say that he is clueless.
:tisk:

I transposed my thoughts and meant to say the opposite.....obviously.

Jesse only commented on the 6L90 vs. 6L80. I was commenting on the weight differences being a factor and botched the construction (and hence the meaning) of my reply, as you not so graciously pointed out.
 

·
Registered
cts-v
Joined
·
204 Posts
A couple of weeks ago I thought I needed a tranny. I already had an appointment with Jeremy Formato to tune my car. Then Jeremy tunes it and now the car feels like he put a race built tranny in it. The trans shifts perfect now. So I would have to agree that alot of it has to do with the tune. My car is making between 645 and 670 depending on the dyno.
 

·
Registered
09 V B-B
Joined
·
502 Posts
A couple of weeks ago I thought I needed a tranny. I already had an appointment with Jeremy Formato to tune my car. Then Jeremy tunes it and now the car feels like he put a race built tranny in it. The trans shifts perfect now. So I would have to agree that alot of it has to do with the tune. My car is making between 645 and 670 depending on the dyno.
Just quickened up shifting or what?
 
1 - 20 of 32 Posts
Top