MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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donfaber
Don Faber
Terra Alta WV
(111 posts)

Registered:
10/31/2007 10:53PM

Main British Car:
1979 MGB 3.9L Rover V8

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Leaking fuel tank 79 V8
Posted by: donfaber
Date: October 20, 2023 07:21AM

Just got my 1st fuel tank leak - the original tank in my 79 B, lower left side. It leaked a few days and then stopped. Any success with repairs, or do I just replace? Suggestions?


MGBV8
Carl Floyd
Kingsport, TN
(4514 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

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Re: Leaking fuel tank 79 V8
Posted by: MGBV8
Date: October 20, 2023 09:50AM

Probably just replace. Can possibly be repaired if the tank is in good shape otherwise. Very dangerous if you do not know what you are doing.

Have you dropped the tank, yet? Is is rusty inside? They also tend to rust on top.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

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Re: Leaking fuel tank 79 V8
Posted by: BlownMGB-V8
Date: October 20, 2023 11:22AM

It's one of the items that should be expected to be on the long term replacement schedule. Mine ('71) developed a leak on top in the mid 90's which was not uncommon. It's an opportunity to go to the larger capacity touring tank and/or upgrade to an internal fuel pump.

Jim
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donfaber
Don Faber
Terra Alta WV
(111 posts)

Registered:
10/31/2007 10:53PM

Main British Car:
1979 MGB 3.9L Rover V8

authors avatar
Re: Leaking fuel tank 79 V8
Posted by: donfaber
Date: October 20, 2023 09:25PM

Thanks to all - I'm gonna replace the tank with a new one. I've got too much driving left to do with this car!


donfaber
Don Faber
Terra Alta WV
(111 posts)

Registered:
10/31/2007 10:53PM

Main British Car:
1979 MGB 3.9L Rover V8

authors avatar
Re: Leaking fuel tank 79 V8
Posted by: donfaber
Date: December 23, 2023 11:52AM

Got the old tank off - thanks to all!


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