Morris Minor Owners Club

I'm changing my carb for an HIF38 bit its got 4 pipe connections
Tiny one is the vac adv
1 is fuel inlet
1 is for crankcase vent
Whats the other one for

It's the float chamber overflow outlet,
Should have an open ended pipe attached to redirect any an overflowing fuel down and away from the exhaust,

HTH
Si

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#5 being the fuel overflow/float chamber breather connection. # 7 is the idle mixture adjust. # 6 is the all-important connection to the rocker cover, and of course # 4 is fuel in.

Thanks all - nice foto Roy

Pinched from the Mini forum............

Sorry to hijack your thread but i hace just started the minor up after being sat for a week or so n was having a play to getbthe timing/fueling running ok. Got it running and after about 10 mins of idling ran away with itself and had fuel running out of the overflow.

Best to start a new thread really.
It sounds like there is some dirt on the float valve stopping it sealing.

Sorry to hijack your thread but i hace just started the minor up after being sat for a week or so n was having a play to getbthe timing/fueling running ok. Got it running and after about 10 mins of idling ran away with itself and had fuel running out of the overflow.