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2014 speed limited ????

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Old 02-01-2014, 09:15 PM
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Me and lance just ran 135 last night....no vibrations anywhere..he just had our tuner turn the speed limiter to 255...don't think he will hit that tho! Ha
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Old 02-01-2014, 11:39 PM
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If your driveshaft is vibrating so you can even say so you need to go back to dealer!!!!!!!!!!!!!!!!!!!!!!!!!!¡
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Old 02-02-2014, 08:11 PM
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Originally Posted by LANCE ATKINSON
If your driveshaft is vibrating so you can even say so you need to go back to dealer!!!!!!!!!!!!!!!!!!!!!!!!!!¡
Heading there tomm for the recalls oil change and the ds issue see what they tell me
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Old 03-21-2014, 10:48 AM
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just hooked up to HPT, stock RCSB 2014 5.3L speed limiter is set to 135mph
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Old 03-21-2014, 11:12 AM
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^^^ nice, and i agree if its viberating at 55, you have an issue
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Old 03-21-2014, 03:19 PM
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Originally Posted by Noah Burns
just hooked up to HPT, stock RCSB 2014 5.3L speed limiter is set to 135mph
Dang! Really 135!? Mine is stock limited to 112 as checked on HWY 53. LOL No vibrations at all.
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Old 03-21-2014, 06:27 PM
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Mine factory was limited to 98 mph 5.3 4wd
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Old 03-22-2014, 01:16 AM
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Mine was limited to 98 also.
Just picked it up at dealer today after a month for evaporator swap cause ac wouldnt blow cold after a while and installed new driveshaft and no vibrations anymore went 110 earlier and smooth
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Old 03-24-2014, 04:41 PM
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Most of the time there is a bcm limiter that is lower than what the pcm is set at, to override it you'd need to have the speed limiter source changed via tuning.
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Old 03-24-2014, 08:23 PM
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Originally Posted by foff667
Most of the time there is a bcm limiter that is lower than what the pcm is set at, to override it you'd need to have the speed limiter source changed via tuning.
Yea true. I was gonna ask if anybody been over 100 on a stock truck without tuning
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