Gearbox and Ignition problems

[Ian Williams]

Insufficient lubrication causing broken or stuck vane in the supercharger maybe??

[Bob Culver]

In their day myriads of Sevens pottered about with retarded spark to quieten the main bearings. It was common practice for sale.

 If yours has auto  advance is it stuck on retard? (Beware spark should not be advanced further than just necessary)

[Steve Berg]

Hello Thomas
No, I'm afraid I don't know an Austin specialist in Switzerland. British Intercars in Täuffelen, BE, have a certain amount of experience with Austin sevens but I have the impression that they are more oriented towards MGs, Jaguars, Triumphs etc. There are more of these cars on the Swiss roads than Austin Sevens. They have been very helpful when I had a problem with my MG-TD. I have usually done the work on my Nippy myself except for specialist engineering which was done in England. The 750 Club book "Austin Seven Companion" and its previous versions have always been a great help. Austin Seven friends on this forum and elsewhere are always a huge help :-)
I support the advice by Austin in the Shed about the Bosch distributor. On the advice of Nick Salmon in 2012 I modified the Bosch distributor on my Nippy slightly, putting a piece of neoprene tubing over the peg that limits the amount of automatic advance. See http://www.austin7.org/Technical%20Artic...0Set%20up/. When driving back from the UK in 2012 I had a problem with the engine overheating while driving steadily at about 80 kph. Was this due to the advanced ignition or the quality of French petrol? The engine no longer overheats after modifying the distributor and using Swiss petrol, even rushing up mountain passes in 3rd gear.
Best wishes
Steve

[ThomasSwiss]

I wonder if your supercharger is giving any boost,There are some poor superchargers out there.Has your car always run this badly?
Do you have any photo's of the engine bay?
I've never tried this but if the blow off valve is accessable you could try taking it out and either hold your hand over the hole or a suitable plug and start the car,under throttle the supercharger pressure should want to blow your hand/or plug out if you dare to try it!
Unless you have a boost gauge that is.
Don Rawson knew how to build a good seven engine so originally it would have performed well.

Hello all
I found the mistake. Thank you "Austin in the Shed" and all others.

The blow off valve was leaking. I was looking for more than a year.
Now he is very lively and I am very happy.
now hi is so fast that I was afraid
Many thanks for the help.

Thomas

[ThomasSwiss]

Hello Thomas
No, I'm afraid I don't know an Austin specialist in Switzerland. British Intercars in Täuffelen, BE, have a certain amount of experience with Austin sevens but I have the impression that they are more oriented towards MGs, Jaguars, Triumphs etc. There are more of these cars on the Swiss roads than Austin Sevens. They have been very helpful when I had a problem with my MG-TD. I have usually done the work on my Nippy myself except for specialist engineering which was done in England. The 750 Club book "Austin Seven Companion" and its previous versions have always been a great help. Austin Seven friends on this forum and elsewhere are always a huge help :-)
I support the advice by Austin in the Shed about the Bosch distributor. On the advice of Nick Salmon in 2012 I modified the  Bosch distributor on my Nippy slightly, putting a piece of neoprene tubing over the peg that limits the amount of automatic advance. See http://www.austin7.org/Technical%20Artic...0Set%20up/. When driving back from the UK in 2012 I had a problem with the engine overheating while driving steadily at about 80 kph. Was this due to the advanced ignition or the quality of French petrol? The engine no longer overheats after modifying the distributor and using Swiss petrol, even rushing up mountain passes in 3rd gear.
Best wishes                        
Steve

Hello Steve

thanks for the answer.
normally I repair small things myself. prewar cars are just special.
now I'm happy that my Seven drives well and still makes fun.
I read the report about the Bosch distributor, but now I trust my coilconversion.
(I reed in my documents, it was installed by don rawson)

Regards Thomas