Morris Minor Owners Club

I would be inclined to use as small amount of ptfe tape, assume that when you tighten it up the sender will cut through it and make contact with the engine and then check that you have an electrical connection with a meter.

Gas torch and a mole wrench.

Retarded ignition can cause overheating.

Lacks power going up hills and sometimes runs on when the ignition is switched off.

Is the mixture too weak?

I use a suitable drill bit to clean them out as much as possible. The largest one that will fit in the hole.

As long as you unscrew the old one carefully and screw the new one in right away without pressing the brake pedal there shouldn't be a problem.

I used a big jubilee clip and three little screwdrivers to put this together.

The difficult part it that most of the nuts and bolts may be siezed solid and it is easier to cut them off with an angle grinder and replace with new.

Dirt in the float chamber?

Ignition coil breaking down in the hot weather?

When changing the points on a fuel pump it is best to count the number of turns it took to unscrew the old ones so that you can screw up the new ones by the same amount.

I would be interested to know:
a. How close are the timing marks on the timing chain cover to the rear of the front crossmember.
b. If the prop shaft is fitted, how much of the rear end of the gearbox is exposed.

Remove the petrol filler cap before you go for a drive. If the problem goes away then it may be the filler cap.

If the gearbox is almost dry, the gearbox rear seal may be worn, allowing the oil to leak out.
Also the third and fourth gear selector fork may be getting worn.

I would start by taking the top off the float chamber, disconnecting the pipe that goes to the fuel pump and making sure that if you blow down the tube on the top of the float chamber you can stop the flow of air by pushing up the little lever inside the top of the float chamber.

My car has those too. I put them there to compensate for wear in the brake drums.
They are aluminium and made from a bit of traveller bodyshell. It is easier to cut than steel.

Is the existing breather pipe blocked?

I would use a hammer and a cold chisel too.
Any damage to the nut can be smoothed down with a file.

Burlen used to sell parts for SU carbs.

One of the commonest causes of a gearbox jumping out of 3rd or 4th gear is a worn selector fork.
To the best of my knowledge, new ones are not available.

I have a pit in my garage and I could usually do it in an afternoon.