During our Killing a Duramax series, Gale Banks and the team upgraded the stock L5P variable geometry to a larger waste-gated system from Precision. While larger turbos do take longer to spin up, the test we devised really showed us exactly how much. The test also showed how much a VG turbo smoothes out the curve in turbo RPM. #Amsoil | Banks Power
During our Killing a Duramax series, Gale Banks and the team upgrade…
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1,004 HP Duramax L5P with stock internals! This is how we did it. | Banks Power
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The reviews are in and the Banks Derringer L5P tuner is a hit! Power, safety, reliability, emissions (CARB) compliant and warranty-friendly! Pair it with an iDash 1.8 Super Gauge for the ultimate in tuning and monitoring. Add the new Banks Ram-Air cold air intake to bring the total horsepower gain to 82hp! | Banks Power
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The reviews are in and the Banks Derringer L5P tuner is a hit! Power…
8K viewsOct 20, 2018
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Gale Banks gives a sneak peek at the new crankcase, oil pan and big pin crank for the L5P. He's got big plans for the latest engine in the Duramax family. Note: The lower crankcase and oil pan will NOT fit in a stock L5P pickup truck but it will fit in most everything else including boats. | Banks Power
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Gale Banks gives a sneak peek at the new crankcase, oil pan and bi…
46.3K viewsApr 18, 2019
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Spying on Stephan from our Mechanical Engineering Dept. while he tests one of many Banks Ram-Air intake prototypes for the 2017 Duramax L5P. Like all Banks performance parts, it destroys the competition! #comingsoon #neverstoptesting | Banks Power
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Spying on Stephan from our Mechanical Engineering Dept. whil…
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Gale Banks​ explains how he's improving the new GM Duramax L5P and Ram Cummins 6.7L. | Banks Power
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Gale Banks​ explains how he's improving the new GM Duramax L…
4.5K viewsJun 15, 2018
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L5P Duramax on the engine Dyno in Banks Cell #1 ! We're working on our L5P marine, motorsports and retrofit, oiling system dynamics. An entirely new upper oil pan casting with turbo drainback ports on both sides and a new cast aluminum lower oil pan are being tested as well as a new SAE #3 flywheel housing casting for heavy duty and marine transmissions. We're measuring oil level in the pan and inside the front and rear of both rocker covers with the engine running wide open all the way from idl
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