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Old 06-20-2012, 05:19 PM
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big lag at stop going to wot

i have a 2005 ford 6.0 ccsb and when i take off from a dead stop, say a stop light or stop sign it lags very bad with hardly no power for roughly 3 seconds then runs like a bat outta hell. i have just done the blue spring upgrade myself last weekend and did not see any problems with installing it. i changed the oil with rotella 5w40 T6 with revx oil additive. i changed both fuel filters while running revx fuel additive. i have k & n intake, 5 inch turbo back exhaust, and a custom tune from vivian (looney tune which is a very badass tune). the only thing i can think at this point is to check FICM voltage and/or clean turbo. any ideas would be helpful!.
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Old 06-21-2012, 04:46 PM
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Angry big lag at stop going to wot

big lag at stop going to wot

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i have a 2005 ford 6.0 ccsb and when i take off from a dead stop, say a stop light or stop sign it lags very bad with hardly no power for roughly 3 seconds then runs like a bat outta hell. i have just done the blue spring upgrade myself last weekend and did not see any problems with installing it. i changed the oil with rotella 5w40 T6 with revx oil additive. i changed both fuel filters while running revx fuel additive. i have k & n intake, 5 inch turbo back exhaust, and a custom tune from vivian (looney tune which is a very badass tune). the only thing i can think at this point is to check FICM voltage and/or clean turbo. any ideas would be helpful!.
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  #3  
Old 06-21-2012, 05:26 PM
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Quote:
Originally Posted by waterfowl1989 View Post
big lag at stop going to wot

--------------------------------------------------------------------------------

i have a 2005 ford 6.0 ccsb and when i take off from a dead stop, say a stop light or stop sign it lags very bad with hardly no power for roughly 3 seconds then runs like a bat outta hell. i have just done the blue spring upgrade myself last weekend and did not see any problems with installing it. i changed the oil with rotella 5w40 T6 with revx oil additive. i changed both fuel filters while running revx fuel additive. i have k & n intake, 5 inch turbo back exhaust, and a custom tune from vivian (looney tune which is a very badass tune). the only thing i can think at this point is to check FICM voltage and/or clean turbo. any ideas would be helpful!.
If you mash it without any boost built up it will get lag until it boost up. Does it do this from a 5-10 mph roll?
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Old 06-21-2012, 05:34 PM
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It's. Probably that 5in exhaust it need more back pressure
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Old 06-21-2012, 05:42 PM
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i'd agree. i'd say your turbo either needs to be reconditioned or its a combo of the 5 in exhaust and the intake
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Old 06-21-2012, 05:43 PM
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Quote:
Originally Posted by ODAWG714 View Post
It's. Probably that 5in exhaust it need more back pressure
Not trying to be a jerk by any means but this isn't true. Plenty of people run 5" exhaust. BP in the exhaust is really only needed on gas vehicles to help enhance savaging. Remember that there is a turbo in between the manifold and tail pipe.

To the OP. Is this something that has happened all of the sudden, or since you have been tuned?
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Old 06-21-2012, 05:52 PM
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sounds very normal for a 6.0 to me i would not worry about it
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Old 06-21-2012, 05:57 PM
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Originally Posted by kingranch89 View Post
sounds very normal for a 6.0 to me i would not worry about it
I agree...
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Old 06-21-2012, 06:01 PM
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it will usually lag until i hit about 3-5 mph then it takes off. i have had this problem since i got the truck in march. i have tried a couple different tunes with no help to the lagging problem. i am going to be changing the intake to an s & b soon. i am wondering how would i be able to put more BP in exhaust? just to see if that fixes the problem
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Old 06-21-2012, 06:04 PM
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Quote:
Originally Posted by Enterko View Post
Not trying to be a jerk by any means but this isn't true. Plenty of people run 5" exhaust. BP in the exhaust is really only needed on gas vehicles to help enhance savaging. Remember that there is a turbo in between the manifold and tail pipe.

To the OP. Is this something that has happened all of the sudden, or since you have been tuned?
Not to be a jerk either but on my truck and friends trucks removal of muffler creates less back pressure n more lag and from my tuners they say the same thing. He will need his tune fixed for his loss in exhaust argue it all you want
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