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Mart · 12-29-2015, 04:45 AM

Mac, I had too high fuel pressure, and stripped the spring out of an old pump. I fitted that in the newer pump I was using and the pressure was now ok. An older, weaker spring will not overpower the carb needle valve.

Mart.

12-29-2015, 04:45 AM	#210
Mart Senior Member Join Date: May 2010 Location: Solihull, England. Posts: 8,743	Re: 59 AB engine rebuild Mac, I had too high fuel pressure, and stripped the spring out of an old pump. I fitted that in the newer pump I was using and the pressure was now ok. An older, weaker spring will not overpower the carb needle valve. Mart.