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Quick Tip: Cleaning a Crusader 6.0 Heat Exchanger


In case this helps someone else...probably would work for other HE's I'm sure.
My port engine was running a little hotter (pushing 180 degrees) at 3000 RPMs. Starboard was solid at 170 and change. I had already cleaned the SB heat exchanger so decided to do the port.
HE.jpg
You can see there are some blocked tubes at the bottom. I had already started working down from the top using 1/8" brass spindles to break through the crust in the tubes and followed up with a wire brush. Works great. I used a shop vac with a detail attachment to suck out the debris as I went along.

New end cap gaskets with aviation gasket seal after scraping the surfaces and was good to go.

After cleaning, temps solid.
https://www.amazon.com/gp/product/B0102 ... UTF8&psc=1
https://www.amazon.com/gp/product/B08CB ... UTF8&psc=1

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