I'll bet the in-tank sock fuel filter is clogged. Happened to my BJ8 once and
took me a few years to figure it out.
---- Bob Spidell <bspidell@comcast.net> wrote:
> Sounds to me like you have an air leak on the inlet side. The pumps are
> overheating.
>
> You didn't specify if these are SU pumps or aftermarket rotary/impeller type.
> SUs don't require any lubrication (in fact, it would probably be a bad idea
>to
> put oil on/in an SU). The aftermarket rotary pumps--AFAIK--don't use fuel
>for
> lubrication (only fuel injection pumps that are immersed in the tank require
> fuel for lubrication--again, AFAIK).
>
>
> Bob
>
>
>
> jim brown wrote:
> > A couple of weeks ago there was a post outlining a problem with a fuel pump
>"burnning" out on 2 occations. I didn't see a final resolution if there was
>one. I have had 2 electric fuel pumps in parallel on my BT7 for years. One
>went about 3 months ago. I just thought it was old age. Since then the car has
>become fuel starved on 2 occasions. It sills run for a short distance and then
>dies, full choke sometimes keeps it sputtering along for a while. Both pumps
>are working (they click very fast) but no fuel delivery to the carbs when it
>begins to die (scant fuel and a occasional bubble in the filter). On each of 3
>occasions one of the pumps eventually died while the other kept going but
>still no fuel (shut it off so I didn't have to replace 2 pumps). The dead pump
>wouldn't work at first on the bench but after shooting some lubricant into it
>it began to run-seemed like the impeller had become stuck. After being towed
>home the car started right up the next
> > morning on the still good pump. . I've never had a problem with vapor lock
>in 15 years and think that an electric pump should overcome it anyway but all
>three times it was a hot day. I think the pumps are not getting gas which I
>suspect lubricates the impeller then it binds and the pump stops. Gas tank
>seems ok, no leaks. no junk and the filter before the carbs is clean. Any
>ideas.
> >
> > Jim Brown
>
> *******************************************************************
> Bob Spidell San Jose, CA bspidell@comcast.net
>
> *******************************************************************
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