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post #1 of 38 Old 01-02-2008, 02:58 PM Thread Starter
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MY NEW SCT/GOGO Tunes

I have a question??? I have Three new GOGO tunes on my SCT and when I get on it my truck makes a weird noise....I don't think it's the turbo..but it might be!! Does anybody know what it might be!!Im kinda worried! With my edge it didn't do this!!
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post #2 of 38 Old 01-02-2008, 03:02 PM
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when you floor it does it make a slight pinging sound, and then go away when you let off the pedal?

Early 99 F-350
4" lift on 33's
Tymar Intake, Isspro Gauges, Modded IDM, HPX, Boost Fooler, 4" Exhaust
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post #3 of 38 Old 01-02-2008, 03:02 PM
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I'll get a sound clip... almost like pre detonation lol...

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post #4 of 38 Old 01-02-2008, 03:13 PM
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ya my tuck does it when I got the pedal mashed, and stops as soon as I let off the pedal a but. My tuner said its predetonation, and is expected on most hot tunes. We'll see if Wildman can fix that predetonation for me next week when he does some tuning. WHOO.

Early 99 F-350
4" lift on 33's
Tymar Intake, Isspro Gauges, Modded IDM, HPX, Boost Fooler, 4" Exhaust
-BTS Tranny
-76mm Sledgehammer
-Swamps Tuning
-230cc Casserly Hybrids
-T.E. Modded 17* HPOP
-ARP's, Chromoly's, 910's
-ITP RR

-Jake
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post #5 of 38 Old 01-02-2008, 03:16 PM Thread Starter
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No Its not a pinging sound...Its like a really Loud and very forceful Surge...ITs not though! But it only does it when I floor it...right before it shifts.
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post #6 of 38 Old 01-02-2008, 03:19 PM
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I think the predetonation is a timing issue...

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post #7 of 38 Old 01-02-2008, 03:20 PM Thread Starter
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Ok well we need to fix that
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post #8 of 38 Old 01-02-2008, 03:22 PM
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Is it boost pressure feeding back through the intake maybe when its shifting?

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post #9 of 38 Old 01-02-2008, 03:27 PM
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No, it's nothing to do with that...
Stock turbo, stock intake right now, just straight piped and tuner until we get a peice of pipe.

If you hold the pedal at 3/4th throttle it's normal. At full throttle it feels no different and it sounds like DAT DAT DAT about 10 times a second.

I think it's possibly pre-detonation, a timing or fueling issue.

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post #10 of 38 Old 01-02-2008, 03:30 PM
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Ah okay maybe try some cetane booster and see what happens worth a shot.

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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