Where to route return fuel on these SU's

Barten

Active Member
I have installed an electric fuel pump below the tank and I have routed the fuel supply via the reserve fuel valve. I have placed that under the tank too. My su carburettors, i think they are hif6, do not have an outlet for return fuel. At least nothing obvious that I can see. Do anyone have a tip on how I can get return fuel out of the right hand side carburettor?



Regards, Barten
 

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Hi, those are HIF44s as fitted to Sd1s and as you found they don't have or need a fuel return.

Colin
 
Ok, thanks. That explains the lack of return outlet. Well, I just have to find a way to plug the outlet from the tank then.
Regards, Barten
 
Hi Barten,

The electric fuel pump for those carburettors must not be of the continuous flow type, rather it needs to be the discrete type, that will stop and start to meet the fueling requirements.

If a continuous type is used without a spill return, the carburettors will flood.

Ron.
 
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