L99 auto, how much power you putting down with boost - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

general23cmp · 11-01-2009, 08:03 PM

Just trying to get a feel for what kind of HP people are getting to the ground, safely (so far), with the L99 and 6 speed auto...

What parameters on the transmission did you tweak to make it dependable yet put down the numbers?

JJ2010 · 11-01-2009, 09:01 PM

I have 537rwhp on my L99 and it is very street friendly......
I have Kooks Headers,Corsa Exhaust,Magnuson Supercharger,ADM CAI,Custom Cam,etc...
I am making that power on 5lbs of boost....
With a change in pulley size to get the boost up it would do around 570rwhp.....

general23cmp · 11-01-2009, 09:13 PM

Do you feel comfortable that your trans is going to hold up OK?

pharmd · 11-01-2009, 09:23 PM

about 550rwhp here and no issues with driveline so far (crosses fingers and says a prayer)...probably 6K miles with over 500rwhp

general23cmp · 11-01-2009, 09:37 PM

Wow. That's good news. What kind of boost/mods is that?

UPDATE....nevermind. i see it in your sig...

Jchaluja · 11-01-2009, 09:38 PM

I have 545 rwhp with twin turbos at 7.8 psi.....3600 miles and so far so good, the car rides excellent.....

general23cmp · 11-01-2009, 09:40 PM

Quote:

Originally Posted by Jchaluja

I have 545 rwhp with twin turbos at 7.8 psi.....3600 miles and so far so good, the car rides excellent.....

Twin turbos are the route I'm going....Any suggestions on tuning the trans? I probably will go about 6psi. I'm chicken.

JJ2010 · 11-01-2009, 09:49 PM

I've been told there shouldn't be any trouble with the Transmisson holding this kind of power....

11-01-2009, 08:03 PM	#1
general23cmp Drives: 2010 RS SS Join Date: Aug 2009 Location: Huntsville, AL Posts: 196	L99 auto, how much power you putting down with boost Just trying to get a feel for what kind of HP people are getting to the ground, safely (so far), with the L99 and 6 speed auto... What parameters on the transmission did you tweak to make it dependable yet put down the numbers?

11-01-2009, 09:23 PM	#4
pharmd Master of Medicine Drives: 4th Gen Join Date: Oct 2008 Location: Kentucky Posts: 784	about 550rwhp here and no issues with driveline so far (crosses fingers and says a prayer)...probably 6K miles with over 500rwhp __________________ 2002 Camaro SS. 408 LS2. 500+RWHP/480RWTQ. Full UMI RR suspension. Koni/Strano. 295F/315R. 3500#(55/45)

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11-01-2009, 09:01 PM	#2
JJ2010 Drives: 2010 Camaro SS Join Date: Oct 2008 Location: Smithfield,NC Posts: 1,203	I have 537rwhp on my L99 and it is very street friendly...... I have Kooks Headers,Corsa Exhaust,Magnuson Supercharger,ADM CAI,Custom Cam,etc... I am making that power on 5lbs of boost.... With a change in pulley size to get the boost up it would do around 570rwhp.....

11-01-2009, 09:13 PM	#3
general23cmp Drives: 2010 RS SS Join Date: Aug 2009 Location: Huntsville, AL Posts: 196	Do you feel comfortable that your trans is going to hold up OK?

11-01-2009, 09:37 PM	#5
general23cmp Drives: 2010 RS SS Join Date: Aug 2009 Location: Huntsville, AL Posts: 196	Wow. That's good news. What kind of boost/mods is that? UPDATE....nevermind. i see it in your sig...

11-01-2009, 09:38 PM	#6
Jchaluja Drives: ZL1 Camaro Join Date: Feb 2009 Location: Jacksonville, FL Posts: 1,321	I have 545 rwhp with twin turbos at 7.8 psi.....3600 miles and so far so good, the car rides excellent.....

11-01-2009, 09:49 PM	#8
JJ2010 Drives: 2010 Camaro SS Join Date: Oct 2008 Location: Smithfield,NC Posts: 1,203	I've been told there shouldn't be any trouble with the Transmisson holding this kind of power....