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[KolbUltrastar] Update: Engine woes getting solved

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Dana

Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA

Posted: Tue May 27, 2008 9:12 am Post subject: [KolbUltrastar] Update: Engine woes getting solved

At 10:56 AM 5/27/2008, Ray wrote:



 	  Quote: 	
		  I ran up the engine (Cuyuna 430) and got a bit of belt

slipping that allowed 6400 rpm but once that stopped

it steadied at 5800.



The front fan side cylinder only went as high as 365

and stopped climbing and the rear cylinder only went

to 408 which is slightly over the 400 redline.



The EGT's however went to 1400 so perhaps my jetting

is a bit lean.



I need to find my notes on what the various EGT's

&CHT's mean to see what needs to be done next...


	


Ray, I would measure the angle and calculate the pitch before cutting any 

more, though it does sound like you're on the right track.  You may also be 

lean; the max allowable EGT is 1275 but best power is at 1200.



Hmmm... same exhaust on both motors?  Any chance of a blockage?



-Dana



--

  Balance the budget--declare politicians a game species.

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