Quote:
Originally Posted by socalsuperhero
New problem though. Engine runs really well, however i took it out for ~15mi test drive on the highway and when i go up a hill in 3rd gear the engine will start blowing blue smoke. If i lay off the engine for a second it'll go away. But's it's definitely a plume of blue smoke.
I don't know whether it's because it's a jdm motor and i just need to run some miles through it to clean it out or whether it's the valve stem seals that need replacing. I guess I could throw some seafoam in there too...open to other suggestions as well.
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This could be a problem with the PCV system. If there is too much leakage past the pistons, it could carry some oil through the PCV hose and into the air intake. You could check the compression pressure. Lower than normal pressure means something is leaking or the valve timing is wrong. A higher viscosity oil could help to reduce this problem.