Repairs

New MG Tech Videos

By UM staff / June 10, 2025 / Comments Off on New MG Tech Videos

John Twist is back to making MG Tech Talk training videos. We hired a new videographer and John had new vehicles in the shop in May 2025. We recorded videos about a banjo differential, rear hubs, suspension, steering column, sway bar, wheel splines, cooling systems, and exhaust manifold. Plus a video with guidelines for purchasing…

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Is Your Engine Tired?

By John Twist / March 5, 2023 / Comments Off on Is Your Engine Tired?

I talk to a lot of MG owners about the condition of their engines.  Over and over, I hear the phrase, “My engine is tired.” I tell them there is…

Eliminating Rear Axle Clunk

By John Twist / December 14, 2022 / Comments Off on Eliminating Rear Axle Clunk

By John H Twist A common problem I hear from MG owners is “There’s a clunking sound in the rear of my car!” The Salisbury, Tubed-type, or “GT” rear axle…

FAQ Archives: Timing Chain on MGB

By John Twist / November 18, 2022 / Comments Off on FAQ Archives: Timing Chain on MGB

Hello John,I have a stock 1971 MGB that appears to have jumped a tooth on the timing chain. The engine will start and run but has a pretty bad shake…

FAQ Archives: A Ticking TF

By John Twist / November 18, 2022 / Comments Off on FAQ Archives: A Ticking TF

Question: Dear Mr. Twist,Here is a thorny problem for you to cogitate! I have conducted extensive research and value your input. My 1955 TF 1500 is making a ticking sound,…

TD Clutch Repair Misadventures

By John Twist / November 9, 2022 / Comments Off on TD Clutch Repair Misadventures

Guest post by David Capallo In October 2022, John Twist visited me in Savannah, GA to replace the clutch on my 1951 MG TD. This was his second time visiting…

FAQ Archives: TD Oil Leak

By John Twist / November 1, 2022 / Comments Off on FAQ Archives: TD Oil Leak

Dear John, How would you like to hear another MG adventure? I recently started up a TD that had the engine rebuilt several years ago. I went through the start-up…

Restoring an MGA

By John Twist / October 29, 2022 / Comments Off on Restoring an MGA

The MGA restoration is a huge project! It will eat up time and money for several years. Take your most liberal estimate of the time and cost — then multiply…

John’s Guide to Buying and Selling MGs

By John Twist / October 29, 2022 / Comments Off on John’s Guide to Buying and Selling MGs

The rules of selling an MG and buying an MG are so diametrical that they barely deserve to be covered in the same article.  Yet they bear a symbiotic relationship…

FAQ Archive: Valve Guides on MGB

By John Twist / October 18, 2022 / Comments Off on FAQ Archive: Valve Guides on MGB

QUESTION: I hope you can help me. I had the head rebuilt on my 1969 MGB with hardened valve seats. The engine ran fine for a few minutes then started…