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  1. FYI BMR SPH767R Drag Springs - For Magneride equipped Mustangs

    I’m in the middle of installing some BMR drag springs on my Magneride equipped Bullitt and wanted to pass along some information that I discovered during my own research and conferring with a BMR employee. The story goes like this: I ordered the BMR SPH767R Drag Springs and upon unboxing them...
  2. Rear coil spring isolators torn - 2019 Bullitt with very low mileage

    I just dropped the cradle on my 2019 Bullitt (with 8500 miles on the odometer) in preparation for installing BMR drag race springs and discovered that the top and bottom isolators for each spring are torn. It seems that the ends of the coil springs cut into the isolators, as seen in the pics...
  3. 2019 Bullitt - Fuel line leak!

    I went to the drag strip last Thursday and noticed my car begin to act up, in that it was hard to start, just like it was before I installed the Deatschwerks inline check valve. I made three passes on motor that night and the mph was still on point in the 1/4 @ 116.71. On the drive home I...
  4. DIY Magneride delete option

    I’m really beginning to think that my line lock issue is related to me replacing the factory Magneride shocks and installing Shock Delete Engineering sensors back there to try and fool the PCM into thinking Magneride is still intact. Tbh, I feel like the SDE sensors weren’t worth the $200 spent...
  5. Service Advance Trac + ABS warning lights

    I replaced a confirmed bad battery (tested on AutoZone’s load tester) under warranty yesterday after chasing around what I presumed was related to not being able to access my line lock feature which was grayed out. After replacing the battery, I had the Service Advance Trac and ABS warning...
  6. ABS Bypass Mod for launching

    I have conversed with a few members on what it would take to bypass the ABS via the nanny plug, without disabling the line lock feature. Today, I received my aftermarket bypass kit and have confirmed that the wiring is in fact, in the same location on both the factory nanny plug and the...
  7. 580 Performance ABS Bypass Mod

    Is anyone here running, or know of anyone running a 580 Performance ABS Bypass Mod? I’m looking for a way to hopefully do away with the Suspension Fault - Speed Limited to 80 MPH warning that I get intermittently, as a result of removing my rear Magneride shocks. I still have this randomly occur...
  8. Switching track shoes to Hoosier QTPs

    As much as I hated to spend the money on new track shoes when my Mickeys ET Street R radials still had life in them, I felt like it needed to be done, in order to get a better hook at the track. With that being said, I purchased Hoosier QTPs and front runners. If these don’t improve my sixty...
  9. Florida Mickey Thompson ET Street R radials SOLD

    I have a set of Mickey Thompson ET Street R radials for sale. They still have a considerable amount of life left in them. I removed them from my drag wheels, so that I could make the switch to Hoosier QTP bias plies, which are better suited for a manual transmission. I am hoping to find a buyer...
  10. Deatschwerks check valve install = Fix for hot start up issues

    Some of you may remember a while back, that I made a thread regarding the failure of the factory fuel pump in my 2019 Bullitt at 7K miles. This failure resulted in me upgrading to a Deatschwerks DW400 fuel pump. While the pump upgrade fixed the fuel flow issue, it also revealed a new issue...
  11. Arifayz Q3 dash cam

    I just installed an Arifayz Q3 dash cam in my car. It was super easy to do, just hide power cord, plug it into the cigarette lighter and stick the camera on the dash. I ran the power cord down the wire cover for the rearview mirror wiring to keep it clean. Here are a few pics of it installed...
  12. Ultimate Headers catted LTH - Cat failure and broken weld on mid pipe

    Last night, I went to the drag strip and made 5 passes (one on motor and 4 on nitrous). Right away, I noticed that the motor was breaking up during shifts between gears 1-4 (almost as if I was hitting the rev limiter, but I wasn’t). This happened several times during passes and was sometimes...
  13. 2019 Bullitt - Hard starting after being run hard with DW400 pump

    The other day I went to the drag strip to make some more test passes and for the first time, the car responded differently than before since the DW400 install. I don’t have the check valve in my pump, but just experienced starting issues with a warm engine. Here’s what happened: I started the...
  14. Suspected bad fuel pump - 2019 Bullitt on E85

    A couple of days ago, I took my car out to fill up on E85 and make preparations for going to the drag strip today. The car drove great as usual, with no issues, that is until I stopped at one of the busiest intersections in town. The engine suddenly started to stumble as if it was being starved...
  15. Help! My line lock isn’t working

    Today, I tried to test out the line lock on my Bullitt for the very first time before going to the drag strip tomorrow and it won’t work. Can anyone tell me what the issue may be? See video below. Thanks
  16. 2018+ GT fuel filter and injector maintenance with E85 use

    What replacement fuel filter are you using when running E85? This is a piece of maintenance that I haven’t done yet on this car. Is it located on the fuel pump itself? I recently reviewed the thread about the mystery goo balls. Would like to stay ahead of this if possible. Current mileage is...
  17. Removing or folding in side view mirrors to reduce 1/4 mile ET.

    Has anyone tested whether folding in side view mirrors resulted in a minimum of 2 tenths reduction in ET in the 1/4 mile, due to reducing the amount of drag that the car sees at speeds over 100 mph?
  18. New non OEM upstream o2 sensors and now throwing codes P0300, P0316

    I replaced my o2 sensors and started the car up, car idles rough as hell. Initially it threw the following codes: P0300, P0308 and P0316. I cleared those and did a crank relearn and still getting P0300 and P0316. I can’t even drive the car now because it’s either very sluggish and bucks like a...
  19. PMAS 120 MM 3” wire mesh only race filter vs 120MM 7” non oiled filter

    Is anyone out there running a 3” wire mesh only race filter instead of the supplied 7” non oiled filter? I was wondering if I can expect to see any appreciable gains at the drag strip with the 3” race filter? I could have purchased the wire mesh only race filter in a 7” version, but figured I’d...
  20. nGauge gear ratio adjustability

    I just ran across this video that shows how the nGauge can be used to make adjustments for different gear ratios. The video references the F150 truck, but I was wondering if anyone has used it to change gear ratios on the 2018+ Mustang GT and if it can support a 4.88? Thanks It sure would make...


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