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    Leakdown test w/ plumbing test plugs

    Did a leakdown test on the sl900 this evening and thought I would share. This might already be common knowledge, but the only thing I had previously found was using racquetballs, making block off plates, or using rubber between the exhaust manifold and intake manifold to seal the engine.

    1-1/2" plumbing test plugs worked great in the intake manifold ports. I didnt want to remove the exhaust from the manifold so I plugged it with a 2" test plug before it went to the (what I am assuming is) muffler. There were a few more lines I had to plug to do it this way but all in all it was sucessful.
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