Posted June 14, 201212 yr comment_393080 Ive got a single electric pump 5-8 psi but i don't think its enough the car will run but its sluggish and hard to start on a hill. Link to comment https://www.classiczcars.com/forums/topic/43533-webber-k688-down-draft-carbs-how-much-fuel-pressure-do-they-need/ Share on other sites More sharing options...
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