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Old 08-22-2012 | 06:40 PM
  #3460  
kochj
 
Joined: Dec 2005
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From: Victoria, MN
Default RE: Everything Radial Engines

ORIGINAL: Heli-NuBee

Making progress with my UMS Evolution 7-77 break-in. The engine is running much stronger now and the idle has improved a great deal. Here is a video of one of the break-in engine runs http://www.youtube.com/watch?v=CR0f_...ature=youtu.be

Roger
Like all radials; The collector (exhuast) addition, makes the engine sound much deeper, and growly....than the short headers alone...

Thanks for the vid....