sct help please. - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 12 Old 05-19-2009, 03:46 PM Thread Starter
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sct help please.

ok i have and 04 6.0 with manual trans, only mods are intake and straight exhaust into stacks. 60,000 miles on it. i put the sct x3 flash on about 3 weeks ago. ive had it on performance tune since i got it, i just noticed yesterday that mostly in 4th and 5th that when i get around 2,000 rpm and really get on it it kinda sounds like the trans or clutch or somthin is slippin cause it gets up to like 2700 rpm really fast then goes down a little bit but at the same time my boost is buildin strong and stuff, i did not notice this till yesterday, so is somthing starting to go wrong and should i switch it back to stock or is that normal cause it adds so much power?

2004 F250 POWERSTROKE DIESEL
AFE stage 2 cold air intake
6" STACKS
4" Lift
35" BFG M/T
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post #2 of 12 Old 05-19-2009, 04:46 PM
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If the clutch is slipping you would most likely smell a terrible burning odor when it happens. You could be spinning the tires?
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post #3 of 12 Old 05-19-2009, 05:04 PM Thread Starter
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well it does smell pretty bad when it blows black smoke, i got 35" tires on there so i doubt its spinnin, and why wouldnt it have done it before? i just dont know. it just has me worried i guess haha

2004 F250 POWERSTROKE DIESEL
AFE stage 2 cold air intake
6" STACKS
4" Lift
35" BFG M/T
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post #4 of 12 Old 05-19-2009, 05:06 PM
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Originally Posted by yamahardr4e View Post
ok i have and 04 6.0 with manual trans, only mods are intake and straight exhaust into stacks. 60,000 miles on it. i put the sct x3 flash on about 3 weeks ago. ive had it on performance tune since i got it, i just noticed yesterday that mostly in 4th and 5th that when i get around 2,000 rpm and really get on it it kinda sounds like the trans or clutch or somthin is slippin cause it gets up to like 2700 rpm really fast then goes down a little bit but at the same time my boost is buildin strong and stuff, i did not notice this till yesterday, so is somthing starting to go wrong and should i switch it back to stock or is that normal cause it adds so much power?
You could try and select "firmer shifts" when you program your truck.
That's what I ran mine with, and had to problems. It was and auto though.

2006 F350, CC, Short Box
4" lift with extra sprigs in back.
35" BF Goodrich M/T's on 18" Driv Devilslide wheels.
4" turbo back exhaust with duals and no kitty.
SCT SF3 With Custom Tunes from Elite Diesel.
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post #5 of 12 Old 05-19-2009, 05:07 PM
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Try re loading the tune and see if the problem persists

Mike




"The Iron Pig"



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post #6 of 12 Old 05-19-2009, 05:52 PM Thread Starter
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yeah i tried reloadin it and it still happens. i may just take it off for good, i really dont think somthin is right and i cant afford to fix my truck is somthing major does go wrong

2004 F250 POWERSTROKE DIESEL
AFE stage 2 cold air intake
6" STACKS
4" Lift
35" BFG M/T
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post #7 of 12 Old 05-19-2009, 06:11 PM
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probaably slipping the clutch. how many miles?

Randy
2006 f250 4x4
crewcab shortbed
lariat auto
Some tuning, gauges and other assorted non factory dodads
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post #8 of 12 Old 05-19-2009, 06:44 PM Thread Starter
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60,000 miles. is there somthin i can adjust on the sct to help fix this?

2004 F250 POWERSTROKE DIESEL
AFE stage 2 cold air intake
6" STACKS
4" Lift
35" BFG M/T
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post #9 of 12 Old 05-20-2009, 02:26 AM Thread Starter
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so if it is my clutch slipping for that short period of time should i be worried about it? enough to tune it back to stock and get rid of the sct?

2004 F250 POWERSTROKE DIESEL
AFE stage 2 cold air intake
6" STACKS
4" Lift
35" BFG M/T
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post #10 of 12 Old 05-20-2009, 04:01 AM
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An upgraded clutch would solve the problem. If you are on the stock clutch at 60k then Its probably about time for a new one, regardless of if you had it tuned or not.

If it was me, I would upgrade the clutch and keep it tuned!
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