HPDI exhaust Q

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akholmes

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Joined
Aug 10, 2012
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Location
Poquoson, VA
2003 150 HPDI hung on a Parker 2120.

Question is- Noticed the motor puffing smoke when I would come off plane that would dissipate quickly (within 1-2ft from the exhaust relief hole) . Was looking at the smoke as it puffed from the exhaust relief hole and was trying to determine it blue vs white (hoping it wasn't steam). When I cupped my hand in front of the relief hole, whithin 10 seconds or so I had condensation forming in my hand. after 15-20 had water beading in my hand, and within 30 sec or so I had enough water in my hand to dump it out.

Is this normal? Should it be exhaust fumes only coming from this hole? Or a mixture exhaust/water? Thanks for any input!
 
Normal ... the exhaust passage is cooled, plus condensation between the hot exhaust side and the water cooling inside the powerleg.
 
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