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Originally Posted by gerrym
Thanks Kim, thought that also. No luck.
I am leaning toward the fuel pump. Put on a Facet fuel pump with 3psi max. I'm told they run rich at idle and lean at speed which is what it is doing "no gas". I'm also told the Webers require 4psi to keep the max fuel in the bowl. Enter Moss, they have an electric with 4 psi.
Had another Facet from another car, put it on and ran the car at 1500-2000 rpm for some 15 minutes and no problem. Will replace fuel pump anyway. If that does not do it then it's the gas tank flow.
Any other suggestions I would appreciate them. Have never had this problem in all the years working on MGB's.
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Just in case all else fails, check the strainer on the end of the suction pipe in the tank. Over the years they can plug with rust and whatever. Also I've had a suction hose swell inside due to age and restricted the flow. PJ
I forgot to mention, A problem I had once, which was basically the same thing, as it would run for a while and then quit and then re start and go some more. The shielded suction line between the fuel pump and the tank had a crack in the hose hidden inside the braid and the pump was pulling a small amount of air along with the fuel. I replaced the line and it solved that problem.