RedMackWheeler Posted 7 hours ago Share Posted 7 hours ago Hello, Just installed new heads on 99 CL with E7460 etech with an engine brake.. It has spring loaded push rods. When adjusting valves, I adjusted them without compressing the push rod spring but engine seems doggy and seems like there is a lot of noise coming right out the air cleaner. I've never had any experience with spring loaded push rods and the book didn't say to compress the springs when adjusting the clearance so I didn't. But now I'm wondering if not doing so could be not allowing the exhaust valves to fully open and so when the intake valve opens the air that didn't get let out through the exhaust, is actually getting released through the intake valves since it is still under pressure. Thanks in advance for your help. Quote Link to comment https://www.bigmacktrucks.com/topic/76176-e7-etech-overhead-with-spring-loaded-push-rods/ Share on other sites More sharing options...
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