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    Does anyone have a billetflow 3.65” pulley?

    Darn California law… I had a smog referee appointment last week and failed for some minor mods (in my opinion). I was wondering if anyone would sell or trade their billetflow 3.65” supercharger pulley for my 3.4”? What are the chances that one of the guys who works at this station actually owns...
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    So close with my first tune. Have a couple of questions.

    So I just recently started getting into tuning my own 2003 cobra. I’ve done a lot of research and I think I have most of it down. The car runs great for the most part but I have some questions that I’m hoping some of you can help me with. 1) The biggest concern I have is that when I’m driving...
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    Starting to tune my own car and want to drain E85

    I am starting to dive into tuning and I want to drain the E85 fuel in my car and start with 91 octane. Which parameter do I need to change in SCT advantage 3 to keep the fuel pump running with key on? I still have a returnless system. The car has been previously tuned for E85 but from a local...
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    Does anyone know the file structure for SCT X4? - 2003 Cobra

    Have any of you guys pulled out the micro SD card from your SCT X4 tuner and reformatted the card? Do you remember the file structure? I had some issues which caused me needing to open up my SCT x4 and to reformat the SD card (my SD card went to shit out of nowhere). I have the stock file saved...
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    New tune, new front 02 sensors, now I have the CEL coming on

    So I recently had my car dyno tuned and my tuner had recommended that I replace the front 02 sensors because of the some of the wires were soldered together from being cut. So I sent him the datalog file with the new sensors just in case it changed anything and he had sent me another custom...
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    Looking for a divX or Fore Fuel hat - E85 Compatible

    Hey guys, I am looking to buy a used fuel hat for my 2003 cobra. I just need the hat and I will be swapping over my pumps (improved gt pumps) and fuel level sender to the new hat. If anyone has one for sale, please let me know. FYI: I will swap over my pumps and then in the future switch them...
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    Identifying Gen 1 Whipple

    Before I purchase this used blower for my 2003 cobra, I wanted to make sure I know more about it. Is this actually a Gen 1 blower? Or could it be a lysholm whipple? The reason I ask is because the snout milling looks different than what I've seen. Will I have any issues bolting this up to my...
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    Connecting x4 to AEM Wideband issues

    Those who have connected their aem 30-4100 wideband to their x4, did you do it per instructions or did you just connect the firewire orange to the aem white? I have it connected by the instructions, firewire orange to aem white and firewire blue to aem black & ground, but I cannot pull up...
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    I need help diagnosing a fuel issue P0148

    I went out for a spirited drive the other night and when I decided to go WOT, my car starts sputtering and eventually dies and I have to stop along side of the road. Sitting there pondering what was going on, I decide to check my vacuum hoses, and everything was fine. I’m still pulling vacuum so...
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    What would cause my car to buck?

    So previously in my car, I had 60lb injectors, KB BAP, stock fuel system running 91 octane with no issues. So I changed out my pumps to the improved gt pumps, id 1050x, modified FPDM and deleted the PPRV. When I get into boost and then quickly release the throttle, it'll start to violently buck...
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    How to rebuild your differential?

    Hey guys, I am looking to rebuild my differential since I am having some leaking issues. I have a new trac-lok to put in but I don't know what else I would need. Would I need to break open the trac-lok in order to set in the ring and pinion seals and crush washers? Any help is appreciated. Also...
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    Issues with my IRS after accident

    So I got into an accident last year and I had hit my drivers side rear quarter panel. I have the car all fixed and good to go other than having some issues with the IRS. I installed the FTBR kit with the Ford racing cover and level 5 shafts. On the driver's side of the IRS, the bolts holding...
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    WTB: 2003/2004 Cobra IRS Pumpkin

    Does anyone have their IRS pumpkin for sale? The one is my car is giving me some issues, and it might just be cheaper for me to install another one instead of rebuilding the one I already have.
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    How to remove fuel from tank to tune for E85?

    I am going to have a local shop tune my car for E85. Right now I have about 3 gallons of 91 in my tank. What would be the best way of emptying my fuel? I did some research and my plan of action would be to remove the schrader valve on the fuel rail and drain from there. But where is the fuel...
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    Guys with aftermarket front sway bars. Having any issues?

    Good morning, So I've been running into a small problem with my front aftermarket sway bar. I purchased this sway bar from a very reputable member here on the forums. It does not have a logo or brand mark on the sway bar. It is blue in color and this did come off of his 03 cobra as well. The...
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    Billetflow 2.93 Upper Pulley w/ Hub & stock differential cover

    I have some extra parts sitting in my garage that I no longer have any use for. I replaced my diff cover with the Ford racing cover because I installed Bruce's FTBR kit. Buyer pays shipping unless otherwise agreed upon. If you need any information or additional pictures please do not hesitate...
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    Signs of a bad FRPS?

    I changed out my pumps to the improved GT pumps and installed new ID1050x injectors because I want to run E85. I am in the process of tuning my car and unfortunately on my 2nd run, I ran out of fuel and this caused one of the hoses to come off one of my pumps. So I drop the tank again and fix...
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    Do I need to use those little brass clips when installing ID1050x injectors?

    I was wondering if I had to install the little brass clips from my old injectors onto my ID injectors? My car works and runs fine without them. What are they for?
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    Modified FPDM Causin some idling issues

    So I am getting ready to install new improved GT pumps into my car and I also purchased a used modified (Black306) FPDM. Before I switched my pumps out, I wanted to make sure the FPDM worked. I installed the modified FPDM and now I am having some slight idling issue. Upon first start up, my idle...
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    Ebay Fuel Injector Questions

    I know I may get some heat for asking, but I thought I'd give it a shot. Does anyone have any experience with purchasing 1000cc injectors from ebay? I'd rather not shell out the cash for ID right now and the tuner I am going with will not tune with DeatschWerks. Please follow the links below. I...
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    WTB: Bosch 95lb or 105lb Injectors

    Hello, I am in the market for some 95lb or 105lb bosch injectors. I am upgrading my fuel system and running E85. Please post here or pm me with what you have. Thank you!
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    For Sale: Stock Diff Cover, differential brace, poly urethane differential bushings

    I had my IRS out of the car and went ahead and put on Bruce's FTBR kit. Now I have these items for sale. The buyer pays all shipping and fees unless agreed upon. If you have any more questions, do not hesitate to contact me. Stock diff cover - $40 Differential Brace with hardware - SOLD...
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    Where to buy fuel pump pre-filters?

    Where do you guys buy your fuel pump pre-filters? I thought the new pumps I bought came with them but they do not. It has been about 100k miles since the ones in my tank have been replaced and I think it's time that I replace them. I'll be going E85 real soon.
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    WTB: Modified FPDM

    Hello SVTP, I am in the market to purchase a modified FPDM to run my 2 GT40 pumps. Does anyone have one available? Please let me know and thanks!
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    Going E85 with ported and pullied Eaton on 03 Cobra. Some questions??

    I've been doing my research and it would seem that I could get away with (2) Improved Ford GT pumps and injectors with my current mods shown in my signature. One thing I am unsure of, will I require a modded FPDM (from Black306) or will my BAP suffice? I do not plan on upgrading to a TVS anytime...

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