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49 Diagnosing Faulty Compression 76 MGB

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Uploaded by on Dec 20, 2007

Watch along as John Twist of University Motors explains how to diagnose faulty compression.

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Autos & Vehicles

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Standard YouTube License

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  • This quite interesting and educative, I must confess. U did a very great job. Thanks for the tutorials. Rotimi Otitiri

    Nigeria +2348039625161

  • Nice trick. I only wonder how to manufacture the link between my compressor and the spark plug opening. They're both with special threads..

  • very informative. thanks. how does this apply to an FI car? or maybe it would be sweet if you could do a vid for that :)

  • Thank you John. I have moved my laptop out to my garage, and am now confident that with your guidance, my 76B will run again! Good stuff here.

  • I have a "leakdown tester" which follows the same principle regarding charging of the cylinder with 125psi and going through the process that John Twist goes through on this video. Thanks John

  • thank you John

  • Simple yet ingenious.. Thanks John!

  • Clever diagnostic test. Thanks for showing us.

  • Excellent John.

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