08 6.4 Shifting - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 5 Old 12-03-2013, 07:03 AM Thread Starter
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08 6.4 Shifting

I was just wondering if the first owner of my truck had tunes or did a gear swap. It will hit 4th gear before 25 mph if I you stay out of it. Is it just me, or is that normal?

'08 F250 With Some Goodies

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post #2 of 5 Old 12-03-2013, 07:31 AM
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Which H&S tuner are you running? Mine will go into at around 40 with the tc locked up and into OD around 55 without being in tow haul.

2008 F-250
578HP/1188TQ
JUST ANOTHER FORD
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post #3 of 5 Old 12-03-2013, 08:10 AM Thread Starter
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This is on the stock setting.

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post #4 of 5 Old 12-03-2013, 09:11 AM
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If you're running SL1 trans shift schedule than you very well could shift into 4th about that speed.
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post #5 of 5 Old 12-04-2013, 07:22 AM
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Quote:
Originally Posted by seafordguy View Post
If you're running SL1 trans shift schedule than you very well could shift into 4th about that speed.
X2, this setting does lock the converter up the quickest

2008 F-250
578HP/1188TQ
JUST ANOTHER FORD

Last edited by RADIOFLYER; 12-04-2013 at 08:51 AM.
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