lag takeing off
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lag takeing off
I just bought a 2010 f-350 w/6.4 traded my 2005 f-350 w/5.4 I've never owned a diesel before so I do not know if this is normal. but when i take of there is a lag as i start to go and then it will take off big time and i have to back off just wondering if it is something i have to get used to
Hotshot
Joined: Nov 2000
Posts: 11,591
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From: Pflugerville, tx
I just bought a 2010 f-350 w/6.4 traded my 2005 f-350 w/5.4 I've never owned a diesel before so I do not know if this is normal. but when i take of there is a lag as i start to go and then it will take off big time and i have to back off just wondering if it is something i have to get used to
Sam
Super Moderator
Joined: Aug 2008
Posts: 37,375
Likes: 1,860
From: Frederick, MD
It is more noticeable on the 6.4 then previous because of the emissions. But it is turbo lag as Sam indicated.
Just roll into the throttle and it will repond better.
Since you just got your truck, read your diesel supplement so you have a good idea where things are at.
Follow the severe maint. schedule and stay away from bio-diesel if possible.
Just roll into the throttle and it will repond better.
Since you just got your truck, read your diesel supplement so you have a good idea where things are at.
Follow the severe maint. schedule and stay away from bio-diesel if possible.
Laughing Gas
Joined: Apr 2003
Posts: 966
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If you stand on your brake and slowly throttle up until you get to roughly 1500RPM or 10lbs of pressure in your turbo, then as the light turns green, quickly release the brake and hammer down on the throttle, you won't notice any turbo lag. Plus, you'll smoke most cars off the line. It's fun to do but, can get expensive if you do it too much and end up breaking loose the tires. Trick is to not break the tires loose. So you'll roll through with maximum traction.
Have fun with it.
Have fun with it.
Fleet Mechanic
Joined: Dec 2002
Posts: 1,664
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I found out about the lag when I got stuck in some snow here. I went to rock it back and forth and hit the throttle to spin the tires to get moving and it wouldn't go.
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Elder User
Joined: Feb 2009
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From: nc
you can make improvements
Two things that help this are a Banks intake and Spartan or other DPF delete kit. You will still have some lag but seems to me its about 30-40% less than factory. I've put the truck back to factory twice and the lag drives me crazy.
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