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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 3]
Engine/Turbos blown under 1100 miles
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<blockquote data-quote="TwizzleStix" data-source="post: 1747901" data-attributes="member: 32095"><p>It’s really not the dash readout lag that causes the issue, although there is some lag there. The 10Rxx 10-speed transmission actually takes about a 1/2 second to change gears. You don’t feel or see it, but my data logs plainly show what’s happening.</p><p></p><p>The software starts the shift at about 5700 rpm at WOT. There’s quite a bit of activity going on the the trans/software that is transparent to the driver.</p><p></p><p>I’m certainly not a trans software expert and Cobb software doesn’t include the trans function in their AT (user) software. However, I also have HPTuners software for my ExplorerST which does include the trans function. It also has the 10Rxx transmission.</p><p></p><p>SO, if you really like pulling on the paddle shifter for WOT upshift, you MUST pull it when you “see” 5500/5600 on the tach to account for the delay in your eye-to-hand reaction time.</p><p></p><p>Like I posted earlier, if you wait until you “see” 6000rpm, you’re already 0.5+ second too late and it spins hard into the rev limiter and engine momentum carries it well past the limit.</p><p></p><p>ALSO, the rev limiter is semi-intelligent in that if you approach the limit slower, it will result in the common pops and bangs as it holds the peak rpm. If you go flying into it like this WOT shift issue it must cut all power because you are so far past the limit.</p><p></p><p>Happy Rappy Driving!</p></blockquote><p></p>
[QUOTE="TwizzleStix, post: 1747901, member: 32095"] It’s really not the dash readout lag that causes the issue, although there is some lag there. The 10Rxx 10-speed transmission actually takes about a 1/2 second to change gears. You don’t feel or see it, but my data logs plainly show what’s happening. The software starts the shift at about 5700 rpm at WOT. There’s quite a bit of activity going on the the trans/software that is transparent to the driver. I’m certainly not a trans software expert and Cobb software doesn’t include the trans function in their AT (user) software. However, I also have HPTuners software for my ExplorerST which does include the trans function. It also has the 10Rxx transmission. SO, if you really like pulling on the paddle shifter for WOT upshift, you MUST pull it when you “see” 5500/5600 on the tach to account for the delay in your eye-to-hand reaction time. Like I posted earlier, if you wait until you “see” 6000rpm, you’re already 0.5+ second too late and it spins hard into the rev limiter and engine momentum carries it well past the limit. ALSO, the rev limiter is semi-intelligent in that if you approach the limit slower, it will result in the common pops and bangs as it holds the peak rpm. If you go flying into it like this WOT shift issue it must cut all power because you are so far past the limit. Happy Rappy Driving! [/QUOTE]
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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 3]
Engine/Turbos blown under 1100 miles
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