Turbo Lag? - Ford Powerstroke Diesel Forum
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Old 07-13-2009, 08:24 AM
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Turbo Lag?

I am new to the 6.0Ls. I purchased a 2007 F250 a few months ago. It already has a k&n air intake and a 5 inch magnaflow exhaust with a 4 inch downpipe. When taking off the turbo is very slow to spool up. What is the safest way to fix this. I am not a big fan of programmers because I have not had good luck with them. Thank you for the help.
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Old 07-13-2009, 08:32 AM
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You might consider getting rid of the K&N fillter. Ive been told about the only thing a K&N filter will stop is a a humming bird. How much lag are you talking about?
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Old 07-13-2009, 08:34 AM
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Getting rid of the Cat & Muffler made a big difference in the turbo lag on my truck, but adding the tuner made a huge difference.
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Old 07-13-2009, 08:49 AM
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Is a good 3-4 seconds before it starts to take off. I have heared that k&n arent very good. Do you know if I could just buy a filter from airaid or aFe, so I dont have to buy a complete intake?

Last edited by RobertCgdll; 07-13-2009 at 08:54 AM. Reason: forgot something
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Old 07-13-2009, 08:51 AM
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Quote:
Originally Posted by LoCo View Post
Getting rid of the Cat & Muffler made a big difference in the turbo lag on my truck, but adding the tuner made a huge difference.
I thought on a 6.0L you could not straight pipe them? My buddies dad did that to his 2004 and the turbo went crazy. What programmer is the safest? I dont want to have to drop a 5000 dollar tranny into it.
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Old 07-13-2009, 09:11 AM
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Your stock are filter is actually very good. I think you do not need an after market filter until your pushing close to 500 hp or above. With out other mods after market air is a waste. It might make you fell better though, wont really do much. My truck has exhaust and tunner, I still experiance 1 to 3 sec delay before full turbo, i thought that was normal. for a quicker launch at a light you can hold brake and spool the turbo if you must.
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Old 07-13-2009, 09:12 AM
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ive had my truck straight piped for a while now and it works just fine. a lot of guys have straight piped trucks on here
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Old 07-13-2009, 12:16 PM
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Ive heard that getting a straight up pipe will help with turbo lag also
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Old 07-13-2009, 12:27 PM
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Quote:
Originally Posted by RobertCgdll View Post
I thought on a 6.0L you could not straight pipe them? My buddies dad did that to his 2004 and the turbo went crazy. What programmer is the safest? I dont want to have to drop a 5000 dollar tranny into it.

SCt with custom tunes is the only way to go. With proper tuning your transmission is alot tougher than what most people can put the truck through. Also cyllinder pressure can be kept with in the range of stock headbolts. the turbo needs more fuel to spool quicker and a custom tuned sct is probibly the safest way to do this. I have innovative tunes and an innovative tuned ficm, there is no turbo lag and the ficm tuning helped alot with this. I dont think a straight pipe will cause a turbo to go crazy there had to be other issues first because there is no need for any backpressure after the turbo. I have never had an issue with mine and there has been a cat and muffler gove for almost 30000 miles now
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Old 07-13-2009, 03:40 PM
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Originally Posted by bigbaldbob View Post
You might consider getting rid of the K&N fillter. Ive been told about the only thing a K&N filter will stop is a a humming bird. How much lag are you talking about?
i have the k&n FIPK on mine and it helped tremendously with turbo lag then i got the x3 and theres hardly any
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