Instructional video on how to locate and remove the fuel rail fitting for the LLY/LBZ/LMM Duramax diesels. Subscribe Rate And Comment!

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How to make a Ported fuel fitting for free on Duramax
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The fuel pressure relief valve can cause a lot of problems when not working properly. We've got the fix! http://duramaxtuner.com/fuel-presure-relief-valve.html

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Fleece Performance Engine Simulator / Test Stand being put to use to test the popular modification of fuel rail inlet fittings.

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