Install a tee fitting and pressure gauge as close to the head as you can get. The gauge should tell you what the fuel pressure is when running and as you are starting to crank. You could have a faulty check valve or a cracked fuel hose that is allowing air in the intake hose. Check the tightness of all fuel line fittings.
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Richard Rhonda Ty and Alex Entrekin
1995 Newell # 390 DD Series 60, Allison World Trans
Subaru Outback toad
CoMotion Tandem
Often wrong, but seldom in doubt
Rhonda's chronicle https://wersquared.wordpress.com/
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