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11
Upkeep and Performance Hints / Fuel Pump Replacement
« Last post by september2021 on August 06, 2021, 01:29:24 PM »
My fuel pump is not working on my 1972 MGB, Has anyone replaced the fuel pump with SU type or option with after market? Any recommendations

Jonathan Kim

12
Engine Related Items / Re: Overheating at Low RPM
« Last post by amgba on August 06, 2021, 01:31:06 PM »
I would look at the cooling system as this is a 44 year old car. First the radiator, then the thermostat, third the water pump, fourth the heater core and fifth the head gasket.

As a 62 year old i worked on them when they were new and since.

Mark Daly
13
Engine Related Items / Overheating at Low RPM
« Last post by september2021 on August 06, 2021, 01:28:30 PM »
My  '77 MGB is overheating at low speed/rpm. The water reservoir is full.  Can it be the thermostat? Any other possible issues?

Jim Mosher

14
Engine Related Items / Re: Car Stuttering at High RPM
« Last post by amgba on August 06, 2021, 01:31:59 PM »
Check your fuel delivery. It takes more fuel to drive a car to 5000 rpms as opposed to it revving to 5000 sitting in your driveway.

You could also have spark issues as spark can change under a load.

Could be timing.

Unlikely vacuum leak as that would be noticeable at idle and other rpms.

Did you make any changes right before this started?

Time to start checking basics.

Patrick Dockerty
15
Engine Related Items / Car Stuttering at High RPM
« Last post by september2021 on August 06, 2021, 01:19:52 PM »
Our '77 MGB with a coil, 25D distributor, and professionally rebuilt Zenith Stromberg carb can rev up to 5K just fine in neutral.  But, when it is in 2nd or 3rd it will start to stutter at around 3500 and 4000 rpm.   

I am thinking this is a vacuum advance issue.  Should I check other things like timing?

Patrick Lewis
16
B roadsters rubber-bumpered ('75 to '80) / Re: 1979 MGB - Where to Start?
« Last post by amgba on August 06, 2021, 01:33:56 PM »
Start with your safety system first. Make sure all your brakes are in perfect functioning order. Then your parking brake. Then tires. Then front steering/suspension.

Then check fluids-oil/transmission/rear differential/greased fittings.

Just checking all these items will give you a good starting point of what needs addressing. Enjoy!

John Poulsen
17
B roadsters rubber-bumpered ('75 to '80) / 1979 MGB - Where to Start?
« Last post by september2021 on August 06, 2021, 01:09:22 PM »
My 1979 MGB was recently purchased and drivable but needs some TLC. I am trying to decide where to start. My buddy suggests a new wiring harness. That seems scary but it probably needs to be done.
Benjamin Simmons
18
Electrical Items / Re: Dashboard Light
« Last post by amgba on August 06, 2021, 01:34:38 PM »
That is the charge indicator light. If the ignition is on and the car not running then it should light. Once car is running it should be off. Sometimes at idle it will have a faint glow if all of your lights are on with the heater at full blow, wipers at full speed and anything else electrical going. If it is on it means the battery is not charging which could be the alternator/generator, voltage regulator, loose fan belt, bad battery or any of the wiring or grounds involved.

Dan Deutekom
19
Electrical Items / Dashboard Light
« Last post by september2021 on August 06, 2021, 01:08:02 PM »
This light keeps going on and off. Can you fine folks tell me what it means?
Steve Chernoff
20
Body Work Related Items / Re: Front License Plate Holder
« Last post by amgba on August 06, 2021, 01:35:21 PM »
I got a front plate and a badge bar from Moss Motors.

There were already holes drilled in bumper to mount front plate, as required in MA.

Rudy Koehle
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