Drag Racing in 4hi - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 9 Old 10-30-2010, 05:19 PM Thread Starter
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Drag Racing in 4hi

Got a quick question for those of you that frequent the strip. When you launch in 4hi do you set the hubs to lock or auto? And is it ok to do the whole run in 4hi or do I need to switch out at some point? Thanks

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post #2 of 9 Old 10-30-2010, 05:37 PM
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If your hubs and lines are in good shape, auto works and lets you turn at the end of your run. I'd only shift out when you slow at the very end of your pass, ESOF won't disengage until you're basically crawling or at a stop anyways.
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post #3 of 9 Old 10-30-2010, 05:55 PM
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Lock them in. That will make sure you are in 4x4.

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post #4 of 9 Old 10-30-2010, 05:58 PM
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Originally Posted by Goose350 View Post
Lock them in. That will make sure you are in 4x4.
: On a 2010 they shouldn't have any issues locking on their own.
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post #5 of 9 Old 10-30-2010, 06:07 PM
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Quote:
Originally Posted by powerhoghp View Post
: On a 2010 they shouldn't have any issues locking on their own.
but chit happens

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post #6 of 9 Old 10-30-2010, 07:21 PM
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i was just at the strip yesterday, didnt lock hubs, put it in 4hi and did great. stopped at the end and took it out of 4hi. i had great runs and never once had a problem with it fully engaging with hubs not locked. mine is an 05 but i figured it would be the same for you

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post #7 of 9 Old 10-31-2010, 11:07 AM
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I've made 50+ passes in my truck and never have locked my hubs.

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post #8 of 9 Old 10-31-2010, 03:45 PM
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ya i didnt lock mine either so i could heat em up in 2wd then do the switch on the fly to 4hi

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post #9 of 9 Old 11-01-2010, 11:55 AM
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Quote:
Originally Posted by 08kingranch6.4 View Post
ya i didnt lock mine either so i could heat em up in 2wd then do the switch on the fly to 4hi
You can do that with the hubs locked in as well.....

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