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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
2nd Gen Transfer Case
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<blockquote data-quote="BlueOvalF22" data-source="post: 1551950" data-attributes="member: 43002"><p>How are you liking the transfer case?</p><p></p><p>I really like the blending of Part-Time 4WD and AWD. </p><p></p><p>There really is no mechanical components unique to 2WD mode. </p><p></p><p>By that, I mean power is sent out the forward yoke in two ways. </p><p></p><p>Transferred by the Torque on demand clutch pack in 4WD auto mode and these are always driven, </p><p></p><p>in 2WD mode it just does not electrically apply force to the clutch.</p><p></p><p>The second way is the conventional 4WD mode by engaging the dog-ring and locking the front and rear output shafts together. The lockup between the front and rear shafts is like lock on what us old guys call a full time 4WD T-case. Most of the time 4 low locked center differential.. </p><p></p><p>On that landcruiser I had a simple wiring mod made the center diff lock work in AWD high range. It also had e-lockers in both axles.</p><p></p><p>I'll reference this about the 2G system.</p><p></p><p><a href="https://www.sae.org/news/2020/03/ford-raptor-unique-front-driveline" target="_blank">https://www.sae.org/news/2020/03/ford-raptor-unique-front-driveline</a></p><p></p><p>"TODs are <em>really</em> good on road, and they can be very capable for high speed, intense desert running, but they have some limitations in terms of the clutch capacity,”</p><p></p><p>Which is why "Baja" mode is what it is. Locking up to take the load off the clutches. It would probably be faster in TOD mode but wear the clutch fast. Reading up on it, I'm not going to try to swap a 2G t-case into a 1G. </p><p></p><p>"In its Baja Mode, the Raptor uses the transfer case to mechanically lock the driveline into 4Hi and the customer can enable the locking the rear differential at all speeds for added tractive capability"</p><p></p><p>However, if actually getting air in not near the mall baja driving the shock loading on a locked up front to rear transfer case can break things. </p><p></p><p>This is why the AWD trophy trucks run T-cases like the PT4 with the unlocker. Basically a sprag. When you come down from big air front wheels first the rate vehicle speed my be much faster than the wheel speed is after they have been up there a while.</p><p></p><p>The locker mode enables 4WD to work in reverse.</p><p></p><p><a href="http://www.weismann.net/p4t-transfer-case.html" target="_blank">http://www.weismann.net/p4t-transfer-case.html</a></p></blockquote><p></p>
[QUOTE="BlueOvalF22, post: 1551950, member: 43002"] How are you liking the transfer case? I really like the blending of Part-Time 4WD and AWD. There really is no mechanical components unique to 2WD mode. By that, I mean power is sent out the forward yoke in two ways. Transferred by the Torque on demand clutch pack in 4WD auto mode and these are always driven, in 2WD mode it just does not electrically apply force to the clutch. The second way is the conventional 4WD mode by engaging the dog-ring and locking the front and rear output shafts together. The lockup between the front and rear shafts is like lock on what us old guys call a full time 4WD T-case. Most of the time 4 low locked center differential.. On that landcruiser I had a simple wiring mod made the center diff lock work in AWD high range. It also had e-lockers in both axles. I'll reference this about the 2G system. [URL]https://www.sae.org/news/2020/03/ford-raptor-unique-front-driveline[/URL] "TODs are [I]really[/I] good on road, and they can be very capable for high speed, intense desert running, but they have some limitations in terms of the clutch capacity,” Which is why "Baja" mode is what it is. Locking up to take the load off the clutches. It would probably be faster in TOD mode but wear the clutch fast. Reading up on it, I'm not going to try to swap a 2G t-case into a 1G. "In its Baja Mode, the Raptor uses the transfer case to mechanically lock the driveline into 4Hi and the customer can enable the locking the rear differential at all speeds for added tractive capability" However, if actually getting air in not near the mall baja driving the shock loading on a locked up front to rear transfer case can break things. This is why the AWD trophy trucks run T-cases like the PT4 with the unlocker. Basically a sprag. When you come down from big air front wheels first the rate vehicle speed my be much faster than the wheel speed is after they have been up there a while. The locker mode enables 4WD to work in reverse. [URL]http://www.weismann.net/p4t-transfer-case.html[/URL] [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
2nd Gen Transfer Case
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