Fuel Starvation?

RCHunt · Oct 16th, 2023, 11:14

My 142 Rally car has been running well for a time now and I'm generally very pleased with how it goes.
However something occurred the other day which I thought had been solved. The car has twin HS6 SU carbs and Facet electric fuel pumps. I stopped on a hill to allow traffic coming the other way and the car would not pull away. The revs just died as soon as the clutch was released. Eventually I was able to stagger away and the car picked up once on the move.
This seems odd since it cannot be the first time I've stopped on a hill! It certainly has always climbed hills perfectly happily before although I did have a similar thing happen some while ago but I have stripped the carbs and replaced the floats, needle jet etc. since them.
I suspect something is sticking and causing fuel starvation, maybe being on a hill is part of the problem. Any ideas?

Oct 16th, 2023, 11:14	#1
RCHunt New Member Last Online: May 8th, 2024 12:23 Join Date: Mar 2022 Location: Seaton	Fuel Starvation? My 142 Rally car has been running well for a time now and I'm generally very pleased with how it goes. However something occurred the other day which I thought had been solved. The car has twin HS6 SU carbs and Facet electric fuel pumps. I stopped on a hill to allow traffic coming the other way and the car would not pull away. The revs just died as soon as the clutch was released. Eventually I was able to stagger away and the car picked up once on the move. This seems odd since it cannot be the first time I've stopped on a hill! It certainly has always climbed hills perfectly happily before although I did have a similar thing happen some while ago but I have stripped the carbs and replaced the floats, needle jet etc. since them. I suspect something is sticking and causing fuel starvation, maybe being on a hill is part of the problem. Any ideas?

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