Does throttle position affect a compression test? lets find out.

had a bunch of comments on the last video about my compression test not being good because I did it with the throttle stuck half way open. l said it would only make a minimal difference at half or full throttle. so lets see what the actual difference is at closed ,half, and full throttle,

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• #mustie1
• #compression_test
• #guage
• #how_to
• #test