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ford 5000 surging
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<blockquote data-quote="Saltydawg" data-source="post: 204238" data-attributes="member: 2944"><p>Just wanted to emphasise the fuel thing.</p><p></p><p> Make sure your carb and governor is getting all the fuel it needs before messing with them.</p><p></p><p> Tank, lines, fuel pump for blockage or problems is the first place to start.</p><p></p><p></p><p> I had an old detroit 6-71 that was giving me fits once with surging under load at high rpm.</p><p> Drop it back to idle and it purred like a kitten.</p><p></p><p> 2 days later I finally narrowed the problem down to the rubber lining that was used in the gas tank. A small part of it near the fuel outlet fitting had partway come lose from the tank so it was acting like a little flapper valve over the tank outlet.</p><p> Suction wasnt enough at low rpm to peal this flapper up but as soon as fuel demand increased so did the suction and the little flapper flipped over and blocked the fuel hole lol.</p><p></p><p> Check your fuel parts closely hehe.</p></blockquote><p></p>
[QUOTE="Saltydawg, post: 204238, member: 2944"] Just wanted to emphasise the fuel thing. Make sure your carb and governor is getting all the fuel it needs before messing with them. Tank, lines, fuel pump for blockage or problems is the first place to start. I had an old detroit 6-71 that was giving me fits once with surging under load at high rpm. Drop it back to idle and it purred like a kitten. 2 days later I finally narrowed the problem down to the rubber lining that was used in the gas tank. A small part of it near the fuel outlet fitting had partway come lose from the tank so it was acting like a little flapper valve over the tank outlet. Suction wasnt enough at low rpm to peal this flapper up but as soon as fuel demand increased so did the suction and the little flapper flipped over and blocked the fuel hole lol. Check your fuel parts closely hehe. [/QUOTE]
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