Are there ignition problems in a 1972 MGB Roadster?
Are there ignition problems in a 1972 MGB Roadster? The last two years with our 1972 MGB roadster have been rather fraught with ignition problems, first one new component failing and then another within the distributor. The car was totally refurbished in 2005/6 in an attempt to build in reliability. The original 25D4 distributor was retained but with new leads, cap, rotor, points and condenser. Why does my MGB have a backfire problem? My B had the problem you described and it has been tracked to extreme throttle shaft (and carburetor body) wear. It is possible that the backfire and...