CAMARO6 - View Single Post - Thoughts on excessive blow-by

laynlo15 · 06-13-2023, 09:30 AM

I have the new THPSI Valve Covers, I increased my hoses again to 5/8". Make sure your hoses aren't below the Stock GM PCV system or the valve cover fitting, if they are sagging could let oil settle in the hose.

06-13-2023, 09:30 AM	#15
laynlo15 Drives: 2022 Lt1 A10 Join Date: Nov 2015 Location: clark, mo Posts: 8,882	I have the new THPSI Valve Covers, I increased my hoses again to 5/8". Make sure your hoses aren't below the Stock GM PCV system or the valve cover fitting, if they are sagging could let oil settle in the hose.