Unfortunately yes another motor bites the dust. I was almost dead sure it was going to be a tight valve lash issue, given that his motor is not consuming oil nor smoking under acceleration. To my surprise the valve clearances on the driver side cylinder head all check out within spec. I then told Javier that I could run a compression test. Boom there it was, Cyl 2: 150; Cyl 4: 70. One more check I did was popping the timing covers off and verified all the cam gears and crank line up on their marks. Mechanical timing checked out good. A leakdown check wasn't necessary as once I buttoned up the engine, I fired it up and verified smoke pumping out of the oil cap filler. It's a very quick and dirty way to verify if the motor is creating excess blowby, via cracked piston ringlands.

Sorry for the situation Javier, but I hope we can take care of you.

 

How much smoke coming out of the oil cap filler? I've never had my car on with the cap off, but it'll smoke a little when I check my oil at a gas station or wherever after running it

 

Quite a bit, under slight throttle blips the smoke pumped out rapidly. A nice tight motor shouldn't smoke at all. Built motors MIGHT smoke a hair bit under cold start due to looser piston to wall clearances, but even then they shouldn't if the rings are seated well.