Hi, You should take a look at the lines and check for cracks in the Racor housing.. My engine developed loss of power / stalling issues last year and it was related to an air leak, once we started looking at the fuel system in details we found issues everywhere.
I'm not kidding. My lift pump was tired, the fuel hoses had small cracks, there was a problem with the one-way valve at the tank (Not needed, I just removed that), and even my Racor housing was cracked so I replaced everything: the lines, the Racor and housing/mounting, the lift pump, the one way valve was removed, all is fresh from the tank to the block and the engine runs fine / the cold starts are much quicker. Good luck with it. Francois Rivard 1990 34+ "Take Five" Lake Lanier, GA
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