Issues Found – Looking into an Oil Pressure Issue on the 1973 MGB GT V8

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By Craig Ranson

Bridge Classic Cars have been working on this 1973 MGB GT V8 that has been in our workshop for a while, and during its testing phase, an issue has been found.

After fitting up, plumbing, wiring and preparing the newly rebuilt V8, the MGB like all of our projects, began its testing phase. After being run up to a temperature several times, our technician John discovered an issue. As part of all engine tests, our technicians remove the oil filter to inspect the condition of the oil and therefore the internals of the engine itself.

Upon inspection, John discovered metal swarf around the inlet of the oil filter. From there, it was time to begin tearing down the engine to get more of a look at what the issue might be. Looking into the oil galleries throughout the block, John found more metal debris. Then, taking his time to carefully remove some of the main caps John discovered them to be quite considerably scored and grooved. Indicative of an oil issue to the crankshaft.

The next step is to take the engine out of the car and begin to take each component apart, inspect and report on each piece.

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