sluggish untill 2K RPM's normal? - Ford Powerstroke Diesel Forum
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Old 03-25-2008, 06:45 PM
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Question sluggish untill 2K RPM's normal?

Hey all, newb here . Is it normal for the the truck to run kinda slugish (slow) untill up around 2K rmp's? Im new to the whole diesel thing but want to know if its normal or is someting holding her back
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Old 03-25-2008, 07:11 PM
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Mine did the same thing when I first bought it. When I did the DIY intake, it seemed to wake up a little lower in the RPM's. With an exaust it should move even further down.
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Old 03-26-2008, 03:46 AM
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OK thanks for the info, I was thinkin of puttin a K&N intake on there anyways. thanks!
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Old 03-26-2008, 07:02 AM
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Originally Posted by kx592 View Post
OK thanks for the info, I was thinkin of puttin a K&N intake on there anyways. thanks!
don't, instead save your money, spend a fraction of it on doing a DIY intake, it cost me $50 total.
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Old 03-26-2008, 02:19 PM
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What is the DIY intake, got any links to buy it from or pics?
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Old 03-26-2008, 02:33 PM
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In my opinion, you might have issues with the turbo. Possibly restriction of some sort, dirty air filter maybe or restrictive exhaust. bottom end fuel pressure issues, gotta have fuel to make exhaust. Or the valve that the 7.3's used to aid in warm up, when it's cold could be stuck open. Dump valve sound right??? Or maybe even some kind of boost leak in the system. That's all that comes to mind right now. Good luck.
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Old 03-26-2008, 02:43 PM
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Originally Posted by kx592 View Post
What is the DIY intake, got any links to buy it from or pics?
Ask and ye shall receive.

A DIY intake link can be found here
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Old 03-26-2008, 02:50 PM
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So where can i buy that different filter at? Sorry guys im new, i just got the truck a week ago.. haha
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Old 03-26-2008, 03:00 PM
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So where can i buy that different filter at? Sorry guys im new, i just got the truck a week ago.. haha
You can get it from NAPA.

A stock truck will feel like a dog until it hits 2000 RPM. That's the magic line where it comes alive. A chip will cure that. Of course you need other mods to go with it, but the better tuning will allow the engine to respond quicker. You can also try the FPR shim (link in sig) A 3" downpipe will also help a lot.
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Old 03-26-2008, 03:07 PM
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Ok thanks for the info man i apriciate it. So let me get this straight, i take the stock filter out and put that yellow/orange one in downward in the airbox and that helps enough to notice it in the throttle?
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