Turbo lag? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 02-17-2012, 09:51 PM Thread Starter
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Turbo lag?

OK when I'm going down the road the truck goes into overdrive and just seems to die. And when I give it more fuel to shift Down and go I can feel the Turbo like it should be. The only thing for the truck to feel healthy is to crank my chip up.
The truck runs great otherwise. I know i have leaking up pipes and no boost leaks. Is this normal what I'm feeling?

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99.5 super duty, TS chip cranking up 140. 4 inch straight pipe, cold air intake, x wheel, zoo dad, mildly built trans. Running 35s- sold

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post #2 of 7 Old 02-17-2012, 11:08 PM
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Depends on what speeds but it sounds completely normal to me.

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post #3 of 7 Old 02-18-2012, 07:45 AM Thread Starter
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Thank you. Like between 45 and 55 the truck seems dead while in overdrive. After that you can literally feel the boost build. I don't have my gauges in yet( waiting on my pod) but maybe those will help to see if i have a lil problem.

99.5 super duty, TS chip cranking up 140. 4 inch straight pipe, cold air intake, x wheel, zoo dad, mildly built trans. Running 35s- sold

04 HD F-350 Studded and deleted, SCT with Gearhead SRL++, Edge CTS
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post #4 of 7 Old 02-18-2012, 12:00 PM
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At that speed your truck sounds completely normal to me.

Lee


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post #5 of 7 Old 02-18-2012, 02:46 PM
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With the up-pipes leaking it will take a bit more throttle to spool the turbo. In overdrive your wastegate is dumping most of your boost anyway. When you fix your up pipes look into bellowed up-pipes. Wish I would have known about them before I replaced my up-pipe gaskets.


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post #6 of 7 Old 02-18-2012, 03:23 PM Thread Starter
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Appreciate the advise, I've worked on 7.3s for years I guess i never noticed it until its my own haha. But yes as soon as i get some funds up I will be replacing and upgrading up pipes.

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04 HD F-350 Studded and deleted, SCT with Gearhead SRL++, Edge CTS
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post #7 of 7 Old 02-18-2012, 04:57 PM
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I actually had the same problem while hauling a trailer once. Figured out that I had to wait for the "wait to start" light went off before I cranked.
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