Why did an oil line blow off?

sifton

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I have an 07 Phazer Mntn Supercharged. Was out for a rip and engine topped. N otced engine lite on, looked under sled and oil dripping. Towed her back, pulled apart and found lower oil line, return one, was blown off. Re clamped and all ok. Who ever installed S/C had the upper vent line from top of motor on a longer line that was down near lower part of motor and the vent at end was off and laying in bottom. Did that freeze up and built pressure?? Anyone have an idea? Thanks.
 
That is exactly what happened. Been installing roll-over valves on all our Nytro turbos we have built and running the vent line just down by the tank. I have seen the lines blow off or blow the tappet cover gasket half moons out too. Shorten it and I do suggest a roll over valve. Good luck. Shad
 
Thanks, also noticed the vent line from oil tank is down at bottom- MPI instructions say vent it up high.
 


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