Power is almost there if it could loose this fuh fuh fuh. Its like as soon as boost comes above 25psi or so you can hear the motor loose its smooth acceleration and start fuh fuh fuh fuh flutter. This flutter is not a flapping sound or metal sound. Re installed new gasket, test drove, and nope, the flutter is still there and just as strong as before. The gasket between the turbo and exhaust manifold had burt the outside edge almost into two pieces. I checked my exhaust manifold gaskets and all was great. I found one problem but it did not help as much as I had hoped. This condition presents itself above 25psi of turbo boost and when adding more fuel than stock levels. Installed head studs torqued to 125 lbs and retorqued again at 125 Visually checked all overhead including valve springs, okįuel lift pump pressure is 21psi, checked continuosly with manual gauge, okĬhecked for boost leak with turbo boost pressure tool, no leaks, ok Inspected push rods using roll method, ok Reset valves, although they were very close in spec. Re plumbed fuel lines from tank to cp3 with FASS 150 filters and pump Reflashed ECM with latest software available Sent off injectors and connector tubes for check, checked out ok Sent off TST module for check for proper operation, checked out ok Sent off cp3 pump, upgraded it Rail pressure is great I put intercooler hose back on, went out for a drive and now I have a flutter. At the time I blew the hose off, I had a mp-8 module turned up to 90% stacked with a TST on 4/4. My truck was running great untill I blew the intercooler hose off from the intake due to improper fit to ATS arcflow.
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