Vac Leak? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

kstormoen · 08-24-2015, 03:43 PM

I need a little help. I have been datalogging my car for Ted to tune at JRE. I have a 2010 l99 with the ls3 conversion kit and a cam from JRE, Whipple S/C with dyntacech LT Headers with off road mid pipe. He is pretty sure I have a vac leak because Bank 1 is leaner. I have tried about everything I have found on this site. Carb clean, Propane, & Soapy water. And never a change in rpms. I'm fairly certain none of the hoses have a small hole. So here is the last thing I tried. I took the intake tube off and put plastic of the opening and clamped it tight. I then removed the middle inlet on the blower and applied 10 PSi of air. I could then hear air coming out of the bolt the holds the linkage on for the vacuum actuator. My questions are..

Should air be able to come out there?

If not how to seal that up?

Thanks
Guys.

keith

1KillerSS · 08-26-2015, 05:30 AM

What did Ted say when you asked him? Seems like the place to start if your already working with him.

kstormoen · 08-26-2015, 03:13 PM

Actually found the leak. Bad vacuum actuator. Thanks.

08-24-2015, 03:43 PM	#1
kstormoen Drives: Camaro SS2 L99 Join Date: Jul 2009 Location: Elk River, MN Posts: 78	Vac Leak? I need a little help. I have been datalogging my car for Ted to tune at JRE. I have a 2010 l99 with the ls3 conversion kit and a cam from JRE, Whipple S/C with dyntacech LT Headers with off road mid pipe. He is pretty sure I have a vac leak because Bank 1 is leaner. I have tried about everything I have found on this site. Carb clean, Propane, & Soapy water. And never a change in rpms. I'm fairly certain none of the hoses have a small hole. So here is the last thing I tried. I took the intake tube off and put plastic of the opening and clamped it tight. I then removed the middle inlet on the blower and applied 10 PSi of air. I could then hear air coming out of the bolt the holds the linkage on for the vacuum actuator. My questions are.. Should air be able to come out there? If not how to seal that up? Thanks Guys. keith

08-26-2015, 05:30 AM	#2
1KillerSS Too much is never enough! Drives: AGP TT SS [COTW] 4/20/15 Join Date: Feb 2014 Location: Toledo,OH Posts: 4,149 View My Garage	What did Ted say when you asked him? Seems like the place to start if your already working with him. __________________ AGP TT kit, 54/57 Forged rotating assembly, Custom grind cam... Dual nozzle meth, ID850's, Livernois dual fuel pumps, ECS BAP, 25% UDP, 3 inch Magnaflow catback with X pipe, Mantic 9000 clutch, DSS 1000hp axles, DSS aluminum driveshaft, ZL1 rear end, solid subframe bushings, HE differential offset bushings, BMR Trailing arm, BMR toe rods, Lingenfelter LNC-2000,SJM Line Lock. 747 whp 714wtq *Build thread* http://www.camaro5.com/forums/showth...55#post8107855

08-26-2015, 03:13 PM	#3
kstormoen Drives: Camaro SS2 L99 Join Date: Jul 2009 Location: Elk River, MN Posts: 78	Actually found the leak. Bad vacuum actuator. Thanks.