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    Normal STFT high LTFT

    At idle and driving my STFT seem about right - they range from +/- 5%. Every once in a while when stopped for a while it creeps up to +15%, but most times remain in +/- 5%. At idle my LTFT is 25%. If I give it moderate throttle (quarter to half) and go 1 through 4, LTFT drops to around +2-3%...
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    Supercharger fluid

    How much supercharger fluid should the OEM Eaton take - I've read posts anywhere from 6oz to 10oz, with the average being 8oz (which is what I think it should be, but the manual supplement doesn't say anything on it). I have ~275k miles on it so I figure I should change it, but I've been...
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    Sigala carbon fiber pieces

    Last year I replaced my rear quarter panels and doors with Sigala's carbon fiber pieces since my OEM ones started to rust through (Canadian winters + daily driver + >250k miles = no bueno). Fast delivery (4 weeks) and perfect fitment. This year my front and rear windshield mouldings started...
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    P0174 and unusual fuel trims

    Recently every few hundred miles I get a P0174 (driver side lean). No issues with idle/driving/boost/etc. When I clear it it goes away (for a few hundred miles). Data logged the fuel trims and found the ST was +/- 5% but the LT was +20-25%, averaging around 22% (slightly higher on driver...
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    Gas smell with full tank

    Lately after filling up I get a strong fuel smell from the back of the car, both driver/passenger side, at idle and when driving (i.e., I can smell it inside the car). When I get home and park the car, next day the garage reeks of fuel at the rear of the car (front smells fine). After ~30 miles...
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    Sigala carbon fiber panels

    The rear quarters in my 04 started to rust through (daily driving 250k tends to do that). OEM panels arn't available anymore and I didn't want to chop off rear quarters only to get unlucky and have them rust again so I tried Sigala's carbon fiber panels...
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    What's it worth?

    Not planning on selling my car but curious what you guys think it would be worth in today's market. *2004 cobra convertible, silver *250,000 miles - 2nd owner from ~5,000 miles; no accidents *steig. ported, 2.8 pulley, k&n intake, magnaflow x-pipe + catback, tune (mods done at ~5,000 miles)...
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    Directions for removing rear quarter panels

    Are there any online directions for how to remove the rear quarter panels? I'm considering doing it myself since body shop quotes are pretty expensive. All I know is it's a cut & weld endeavor (but I'd likely replace weld with panelbond since I would go the carbon fiber route to prevent future...
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    Save my 04 or move on?

    Curious for some thoughts on what others would do. My 04 'vert (ported/pullied/intake/tune) has 250k on it (3rd owner from 10k) and has been rock solid. Just eats multiple throw-out bearings, rear pinion seal once and had to replace rear hub after the axle nut came loose and I drove like that...
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    FOR SALE: FS: 13/14 GT500 Magnaflow Competition Catback (Black) 15176

    $700USD (price includes shipping within North America) 2013-2014 GT500 Magnaflow competition catback (full catback, not the axleback) Black quad tips Part # MAG-15176 Used for about 100 miles. Supposedly also fits regular GT with a GT500 rear valence. Link to product at Lethal Performance ->...
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    Straight pipes to Corsa extreme exhaust?

    Right now my setup is stock manifolds, lethal off-road H and magnaflow competition exhaust (straight pipes) I love loud - my 65 cobra has a built 408 w/ massive cam; my Z06 is longtubes straight pipes, etc. - but this setup is starting to get on my nerves, I think because of how loud it is and...
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    Replace clutch or something else?

    On the way home I came to a stop and tried to go from 3->N and it refused to shift. I turned the car off, stomped the clutch pedal several times and forcing the shifter with both hands i was eventually able to get it into N. Ran shifter through all the gears (while stopped) and everything...
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    Disabling hill assist

    I absolutely despise hill assist ... stupidest feature ever .... I keep trying to turn it off using these directions Can you turn off hill assist? But they arn't working for me. I've tried it with just the ignition on. Car running, etc. and no luck. What's the secret to getting the procedure...
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    Off-Road H w/ Magnaflow Competition catback

    Yup ... this is loud :confused: I must be getting old ... most of my cars are header/straight pipes (65 cobra, lp640 murci, viper, etc. etc.) but for some reason I find an off-road H (lethal performance) with the mangaflow competition catback (straight pipes) bloody loud. I almost want to put...
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    Spark plug gap for 2.4 pulley

    I can't figure out what the "best" spark plug gap to be for a 2.4 pulley would be in my situation. I am 3,500ft above sea level, so I loose 2lbs of boost compared to stock (normal max boost I see is 12, with a periodic second spurt to 13 before it falls back to 12). But then the pulley gets...
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    Cracked waterpump pulley snout cap - need to replace?

    On the waterpump pulley snout there is a black plastic cap. Mine has a crack that runs from the top down about 3/4 of the way. I think all this does is help keep the pulley centered when you install it? Should I leave it? Epoxy the crack to prevent it from spreading? Replace the waterpump?
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    2014 GT500 newbie mods

    I just picked up a 2014 gt500 'vert.....too good a deal to pass up (10k miles, $40k, stock, single owner). It's been almost 15 years since I modded my 2004 cobra (going on almost 225k miles ... daily driver) so my Ford game is a bit rusty, but this is what I was planning on doing: Off-road H +...
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    Impossible to remove lower auxillary crank pulley?

    I'm trying to change my inner belt on my 2004 cobra and I can't remove the lower auxiliary crank pulley. I know it's left-hand thread. I have the car in 6th and e-brake pulled all the way. The problem is all of my tools break before the bolt loosens. So far I've broken 2 one-piece forged...
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    Thermostat o-ring orientation?

    In a 2004 cobra does the thermostat o-ring go housing -> oring -> thermostat or housing -> thermostat -> oring The Ford parts diagram goes hosing -> oring -> thermostat but when I disassembled mine I found it went housing -> thermostat -> oring. Confused??
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    Differential mounting bushings

    Are there any front differential mounting bushing kits that are similar material to OEM bushings so you can just change the front bushings and not the rear? I notice several of the kits say when going to poly or solid you need to change the rear also or different stiffness of material can...
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    Loose rear axle nut

    When I jacked up the car I noticed one rear wheel had significant slop in it. I was thinking wheel bearing but turns out the axle nut had loosened to ~50ft-lbs. I tightened it up and the slop disappeared, so I guess I caught it before I did any damage. Since the nut is one time use, when it...
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    Re-tune w/ new catback?

    04 that's ported/pullied/intake/catted X and magnaflow catback/tuned. Thinking of swapping to borla stingers just to do something different (but leaving the catted X). Would a new catback require a new tune, or probably close enough?
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    Changing intercooler fluid

    The fluid in my intercooler is orange/red (04 cobra) - ~12yrs ago the last owner had mentioned he took a rock through the intercooler so I'm wondering if he used dexcool when he repaired it.... I'm not certain if I should just leave it for another 12yrs or change it; if change, assuming it is...
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    Thoughts on electrical issue

    04 cobra, ~200k miles. Sometimes when I key off the car the gauges will start to sweep to zero but freeze and the odometer will flash dashes (which I think means it lost connection with PCM). At the same time when this started happening, every month or two (i.e., very infrequently) when I...
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    Electrical troubleshooting (CCRM?)

    Trying to chase down an electrical gremlin and it's driving me crazy. Last week i installed a new throwout bearing. After i put the car back together, when i would try to start it i would get a loud click from the starter, then lose all power to the car (absolutely no power) for ~30seconds...

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