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Full Race's "Gen 2.5" Raptor build
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<blockquote data-quote="full-race geoff" data-source="post: 2056804" data-attributes="member: 6864"><p><strong>Engine:</strong></p><p>Once the turbo kit install was knocked out, I documented the Gen 3 engine upgrades that will improve Gen 2 reliability.</p><p></p><p>[ATTACH=full]465071[/ATTACH]</p><p>The HL3Z (2017-2020) phasers get all the attention, but most mechanics seem unaware that replacing with the ML3Z (2021+) phasers is only part of the solution. RBM figured out that there is a ton of compatibility between the Gen2 and Gen3 engines. Metal timing chain guides eliminate the plastic failure point (Red arrow below), coyote lifters/rockers optimize cam:valve actuation, it’s all a good idea to update.</p><p></p><p></p><p>[ATTACH=full]465880[/ATTACH]</p><p>^^^Fun fact: the "roller rocker" cam followers on the Gen 2 / Gen 3 Ecoboost and Coyote engines are often called rocker arms, however they're actually follower fingers (similar to Honda's base K-series engines from the early 2000s era) and fit underneath the cam lobes instead of on top of them as a true rocker arm operates. These function somewhat like the buckets found on the Gen1 ecoboost except that the opposite end of the finger rides on a hydraulic plunger, providing dynamic lash adjustment.</p><p></p><p>______________________________</p><p></p><p>The following list of Gen3 engine parts will upgrade your Gen2 weak points:</p><p></p><p>Gen3 Metal Tensioner Arm - Driver's Side (LH): ML3Z-6K255-A</p><p>Gen3 Metal Tensioner Arm - Passenger Side (RH): ML3Z-6K255-B</p><p>Gen3 Right Timing Chain Tensioner: ML3Z-6L266-B</p><p>Gen3 (and Gen 2) Timing Chain: HL3Z-6268-A</p><p>(24) Gen3 Valve Lifter Lash Adjusters (coyote 5.0L lifters): BR3Z-6500-A</p><p>(24) Gen3 Roller Rocker Finger Followers (2.04 ratio, 18-23 coyote 5.0L rockers): ML3Z-6564-A</p><p>(2) Gen3 Engine Timing Camshaft Sprocket (aka Phasers): ML3Z-6C525-A</p><p>(2) Gen3 Engine Timing Camshaft Sprocket (aka Phasers): ML3Z-6256-A</p><p></p><p>Gen2 engine Parts that should be replaced at the same time:</p><p>Gen2 Engine Timing Cover Gasket - BR3Z-6020-A</p><p>Gen2 Engine Crankshaft Pulley - HL3Z-6312-A *or ATI Part #917317 to really fix it</p><p>Gen2 Crankshaft Pulley Bolt - HL3Z-6A340-A</p><p>Gen2 Oil Pump - HL3Z-6600-A</p><p>Gen2 plastic chain guide A - HL3Z-6B274-A</p><p>Gen2 plastic chain guide B - HL3Z-6B274-B</p><p>Gen2 Left Timing Chain Tensioner - HL3Z-6L266-A</p><p>Gen2 Water Pump - JL3Z-8501-B</p><p>Gen2 water pump Gasket A - HL3Z-8507-A</p><p>Gen2 water pump Gasket B - HL3Z-8507-B</p><p>Gen2 Water Pump O-Ring - BR3Z-8527-A</p><p>Gen2 Engine Intake Manifold Gasket - HL3Z-9439-C</p><p>Gen2 Valve Cover Gasket - Passenger Side (RH) HL3Z-6584-A</p><p>Gen2 Valve Cover Gasket - Driver's Side (LH) ML3Z-6584-G</p><p></p><p>^^^^These parts listed above is intended for anyone thinking about doing a phaser swap. You should plan to upgrade the other components at the same time - it's no fun to do this job twice. Furthermore, the harmonic balancer (crank pulley) assembly on any V6 is critical for crankshaft health and we've seen the rubber on these Gen2 harmonic balancer crank pulley will break down and deteriorate over time which leads to crankshaft failure. I urge anyone reading this to inspect and consider replacing yours, it's probably trashed</p><p></p><p>_______________________________</p><p><strong>Cylinder Heads</strong></p><p></p><p>Headgames motorworks is a cylinder head only machine shop in Princeton, NJ. I’ve known them for 20+ years and they will install new bronze guides, GSC springs and SI Stainless steel valves. Detailed info here:</p><p></p><p>[MEDIA=youtube]DCHECEVfoWc[/MEDIA]</p><p></p><p></p><p>______________________________</p><p></p><p><a href="https://www.full-race.com/ngk-ruthenium-spark-plugs-for-2011-and-up-3-5l-ecoboost-f150-and-raptor" target="_blank"><strong>NGK Ruthenium spark plugs</strong></a> - these are far and away the best plug I've used in this engine. I prefer these above any other plug tested. Highly recommended even if you arent looking to make power: Heat range 6 for stock turbos and mellow tune. Heat range 7 for bigger turbos and increased boost levels. Smoother idle, improved part throttle, these plugs are the real deal</p><p></p><p>[ATTACH=full]465743[/ATTACH]</p><p>______________________________</p><p></p><p>Other optional parts:</p><p></p><p>Gen2 aluminum oil pan - ML3Z-6675-D</p><p>Gen2 aluminum Oil Pan specific Oil Pump Pick-Up - LK4Z-6622-B</p><p>*replacing the plastic pan, requires a pickup replacement or you will starve the engine of oil</p><p>Gen2 Right Valve Cover - HL3Z-6582-F</p><p>Gen2 Left Valve Cover HL3Z-6582-G</p><p>*these crack at the mounting ears and cause oil leaks</p><p></p><p>[ATTACH=full]465853[/ATTACH]</p></blockquote><p></p>
[QUOTE="full-race geoff, post: 2056804, member: 6864"] [B]Engine:[/B] Once the turbo kit install was knocked out, I documented the Gen 3 engine upgrades that will improve Gen 2 reliability. [ATTACH type="full" width="750px" alt="1724958545803.png"]465071[/ATTACH] The HL3Z (2017-2020) phasers get all the attention, but most mechanics seem unaware that replacing with the ML3Z (2021+) phasers is only part of the solution. RBM figured out that there is a ton of compatibility between the Gen2 and Gen3 engines. Metal timing chain guides eliminate the plastic failure point (Red arrow below), coyote lifters/rockers optimize cam:valve actuation, it’s all a good idea to update. [ATTACH type="full" alt="1725556065127.png"]465880[/ATTACH] ^^^Fun fact: the "roller rocker" cam followers on the Gen 2 / Gen 3 Ecoboost and Coyote engines are often called rocker arms, however they're actually follower fingers (similar to Honda's base K-series engines from the early 2000s era) and fit underneath the cam lobes instead of on top of them as a true rocker arm operates. These function somewhat like the buckets found on the Gen1 ecoboost except that the opposite end of the finger rides on a hydraulic plunger, providing dynamic lash adjustment. ______________________________ The following list of Gen3 engine parts will upgrade your Gen2 weak points: Gen3 Metal Tensioner Arm - Driver's Side (LH): ML3Z-6K255-A Gen3 Metal Tensioner Arm - Passenger Side (RH): ML3Z-6K255-B Gen3 Right Timing Chain Tensioner: ML3Z-6L266-B Gen3 (and Gen 2) Timing Chain: HL3Z-6268-A (24) Gen3 Valve Lifter Lash Adjusters (coyote 5.0L lifters): BR3Z-6500-A (24) Gen3 Roller Rocker Finger Followers (2.04 ratio, 18-23 coyote 5.0L rockers): ML3Z-6564-A (2) Gen3 Engine Timing Camshaft Sprocket (aka Phasers): ML3Z-6C525-A (2) Gen3 Engine Timing Camshaft Sprocket (aka Phasers): ML3Z-6256-A Gen2 engine Parts that should be replaced at the same time: Gen2 Engine Timing Cover Gasket - BR3Z-6020-A Gen2 Engine Crankshaft Pulley - HL3Z-6312-A *or ATI Part #917317 to really fix it Gen2 Crankshaft Pulley Bolt - HL3Z-6A340-A Gen2 Oil Pump - HL3Z-6600-A Gen2 plastic chain guide A - HL3Z-6B274-A Gen2 plastic chain guide B - HL3Z-6B274-B Gen2 Left Timing Chain Tensioner - HL3Z-6L266-A Gen2 Water Pump - JL3Z-8501-B Gen2 water pump Gasket A - HL3Z-8507-A Gen2 water pump Gasket B - HL3Z-8507-B Gen2 Water Pump O-Ring - BR3Z-8527-A Gen2 Engine Intake Manifold Gasket - HL3Z-9439-C Gen2 Valve Cover Gasket - Passenger Side (RH) HL3Z-6584-A Gen2 Valve Cover Gasket - Driver's Side (LH) ML3Z-6584-G ^^^^These parts listed above is intended for anyone thinking about doing a phaser swap. You should plan to upgrade the other components at the same time - it's no fun to do this job twice. Furthermore, the harmonic balancer (crank pulley) assembly on any V6 is critical for crankshaft health and we've seen the rubber on these Gen2 harmonic balancer crank pulley will break down and deteriorate over time which leads to crankshaft failure. I urge anyone reading this to inspect and consider replacing yours, it's probably trashed _______________________________ [B]Cylinder Heads[/B] Headgames motorworks is a cylinder head only machine shop in Princeton, NJ. I’ve known them for 20+ years and they will install new bronze guides, GSC springs and SI Stainless steel valves. Detailed info here: [MEDIA=youtube]DCHECEVfoWc[/MEDIA] ______________________________ [URL='https://www.full-race.com/ngk-ruthenium-spark-plugs-for-2011-and-up-3-5l-ecoboost-f150-and-raptor'][B]NGK Ruthenium spark plugs[/B][/URL] - these are far and away the best plug I've used in this engine. I prefer these above any other plug tested. Highly recommended even if you arent looking to make power: Heat range 6 for stock turbos and mellow tune. Heat range 7 for bigger turbos and increased boost levels. Smoother idle, improved part throttle, these plugs are the real deal [ATTACH type="full" alt="ngk-ruthenium.jpg"]465743[/ATTACH] ______________________________ Other optional parts: Gen2 aluminum oil pan - ML3Z-6675-D Gen2 aluminum Oil Pan specific Oil Pump Pick-Up - LK4Z-6622-B *replacing the plastic pan, requires a pickup replacement or you will starve the engine of oil Gen2 Right Valve Cover - HL3Z-6582-F Gen2 Left Valve Cover HL3Z-6582-G *these crack at the mounting ears and cause oil leaks [ATTACH type="full" width="228px" alt="1725546773490.png"]465853[/ATTACH] [/QUOTE]
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Full Race's "Gen 2.5" Raptor build
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