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Fuel pressure

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napeone

Joined: 10 Jan 2006
Posts: 36
Location: Birmingham, Al.

Posted: Wed Jun 28, 2006 7:36 am Post subject: Fuel pressure

My Yak 52 engine has always run well, particularly after adding Dennise's ignition kit. The cylinder head temp, though, has been about 10C higher than I liked. Fuel pressure has been about 2 Rooskies, which is the bottom end of the range. Dennis and Tommy Hudson suggested to try increasing the fuel pressure. I turned the screw on the bottom of the fuel pump in 3/4 turn. Fuel pressure now 3 1/2 Rooskies. Temps dropped 10 C. and engine even smoother. Perhaps slightly lean previously? 

The above is just for general information.

David H.

Birmingham, Al.

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