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The Product: 6.4 Powerstroke Starter Parts Bundle
Manufacturer Part Number or Interchangeable part number : 64PPSB
Brand : Choate, Ford
Designed for : Power stroke equipped Diesel Trucks.
Years : 1994, 1995, 1996, 1997, 1998, 1999, 2000,2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
Included Products in our 6.4 Powerstroke Starter Parts bundle:
The Choate Self-Oiling Integrated Powerstroke Billet 6.4 Valve Covers were designed out of necessity. Anyone with experience with the 6.4 understands this issue all too well. The 6.4 was coming off the heels of the 6.0 platform that used a HEUI fueling platform.
This hydraulically actuated electronically controlled unit means that the injector, upon firing, emits a stream of oil as it is exhausted. This extra oil allows for lubrication on the top of the rocker arm conversely.
This allows the 6.0 rocker to last many miles without failure. However, upon the arrival of the 6.4, International changed to the High-Pressure Common Rail design.
This was to achieve the injection pressures that were needed to meet the emission standards set at that time. In doing so this did away with the oil that was so desperately needed for the rockers. And ended up in many catastrophic failures.
Studies were done to determine how long the oil would take to reach the rocker arm upon start-up.
This obviously will vary based on the pour factor of the oil, viscosity, and ambient temperature. The study was done using a 15w40 diesel engine oil ASTM D-97 pour factor -15c with a cetostoke of 12.
It was noted that based on the location of the rocker arm to the oil galley, it took up to 3-5 minutes before lubrication reached the rocker arms at 750 rpms at 60 psi oil pressure.
That in and of itself should alarm any 6.4 owners!
Building engines the way the OEM factory should have in the first place.
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