MG MGB Questions Maintenance & Repair


Engine Races On Startup

Prior to work car ran perfectly with new exhaust but leak at manifold. I removed the twin SU carbs (new 30,000 miles ago) and manifolds a couple of weeks ago to replace the exhaust manifold (stripp...

1966 MGB Starts But Have To Turn It Over 100 Times First

I have to turn over the starter dozens of times, before it will start

My 1977 Mgb Runs Well For About 20 Minutes Then Its Starts Spluttering

my 1977 mgb runs well for about 20 minutes then its starts spluttering - if i keep droping a gear and then restore to 4th it will get me home - but feels like its running rich

No Start Barely Any Spark On 1976 MGB

Earlier I added this question. “ I replaced the coil distributor cap/rotor. Has new spark plugs and wires. But does not want to start. The other day i checked for spark and i noticed that there wa...

1976 MGB Has Little Spark And Wont Start. What Could Be The Cause?

I replaced the coil distributor cap/rotor. Has new spark plugs and wires. But does not want to start. The other day i checked for spark and i noticed that there was a slight spark happening.

MGB GT Overheating Only On Motorway.

Hi everyone. I've just purchased a 1969 MGB GT. Would anyone know why the engine over heats on the motorway but doesn't around town. I even removed the thermostat but it still overheated the engine,...

New Carb Was Running. Suddenly Stopped. Gas At Carb, But Won’t Start.

Mgb Starting Problems

On my 1977 MGB, I replaced the battery and starter motor and when I turn the key I hear a click at the relay but no cloink at the starter. It still doesn't turn over, what am I doing wrong? can you p...

No Spark; Car In Storage For Winter; Did Winterize; Stored Inside, No Heat....

1980 MGB; in-door storage for winter; gas stabilizer was used; battery is good; car turns over but doesn't appear to be getting a spark.

1968 MGB

There is no spark to the engine. Replaced the ignigtion coil, it has power and is good but still no spark. It's not the plugs they look clean. Thinking it maybe in the distributor but don't know wh...

1975 MGB Blows Smoke.only When I Come To A Stop?

All the smog equipt gone. It blows smoke every time i come to a stop

Do I Have A Choke

ho to choke

77 Mgb Doesnt Have Much Power. Can It Be A Fuel Problem


What fuel type should I use? Lead free or leaded? Regular or high test?


Piston Removal

If you can't feel a ridge can you take pistons out or do you still need to run a ridge reamer around .taking pistons out to free up the rings give the cylinder a hone as it was seize from sitting ...


Engine Removal

can l rebuild my 78 mgb engine in the car as it not possible for me to remove it


Fuel Starvation 1969 MGB

I have a 1969 MGB runs fine but at higher speed (50mph) when I excellerate I am starved of fuel which returns when I de-excellerate. I do not have an in line fuel filter


Fuel Pouring Out Of The Air Vent Hose Of The Absorption Canister

After replacing the fuel filter, fuel is now pouring out of the air vent hose of the Absorption Canister. I replaced the Absorption Canister and continues to happen.

After Hitting A Really Bad Pothole My MGB Stopped Running After About A Qua...

I have a 1973 MGB, the engine has just been rebuilt and was running perfectly .I hit a huge pothole on a back road and Jarred the car severely, after about a quarter of a mile the engine simply stop...

I'm Exhausting Too Much CO2 1977 Mgb W/ Weber Carb

Got my 1977 MGB inspected and I'm putting out too much CO2 at idle and higher RPMs. How do I fix that? The car runs great, but I need to reduce the CO2 output

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