Stillen S.C. Plenum charge assembly coolant leak during WOT on dyno

NissanTracker

Great news. Much appreciated. Still nothing from Kaizens. They are booked this week and will only be able to pull the entire assembly if there is a cancellation or the following week. I'm crossing my fingers with the compression and leak down test results

Rusty

How much coolant you have left in the Stillen system? Depending on the water pump pressure, size of the leak. You might have gotten lucky and did water injection. Cleaning the combustion chambers and the tops of the pistons. If the motor kept running. You should be ok. It didn't hydro-lock. That's BAD!

Used to take a water hose and spray it down a carb until water started to run out of the tail pipe of a running motor. Never hurt it either.

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NissanTracker

I believe that is what happened. The car was running fine after some idle after the pull. The reservoir was not completely empty. They run a tight shop, so the upcoming tests are essentially manditory. The nismo is an 07 with 53k miles. I probably should have done a compression and leak down before the install... So no harm at this point. Thanks again for the help

-NT

Rusty

Does the Stillen water pump shut off with the ignition? This is where you might have a problem. If it ran for a little bit after you stopped the engine. It may have put enough coolant into the intake, and chambers to hydro-lock on the next start up. Pull all the plugs and crank the engine over to blow out any coolant that may have collected or pooled. Then spray a little oil in each chamber to coat the cylinder walls.

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