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  1. Warning: Don’t Trust Aftermarket Cats if Boosted.

    Update on my original post. I did not blow a Head gasket. I broke the ring lands on number 5&6 and had cracks starting on 7&8. When I first looked at the pistons after head removal, I could not see any damage to the pistons. When I removed the heads all the Pistons on the Drivers side bank(the...
  2. GEN 4 5.0L COYOTE DARK HORSE LONG BLOCK

    Here is the response I received from Ford Performance On swapping in the Gen 4 Dark Horse Engine into a Gen 3 18-23 Mustang. What was interesting to me is there is a Boss on the GEN 4 Head, you should be able to drill and tap to run your current Headers. Transfer all the parts from your 18...
  3. GEN 4 5.0L COYOTE DARK HORSE LONG BLOCK

    Not Sure it came with my JBA Longtubes.
  4. GEN 4 5.0L COYOTE DARK HORSE LONG BLOCK

    Just spoke with Ford Performance Tech on Installing the M-6006-M50DH Long Block. He thought it may be possible and would research it for me. He requested I shoot them a Email and he would discuss it with the Tech Team. I will post any information I receive on this swap
  5. GEN 4 5.0L COYOTE DARK HORSE LONG BLOCK

    I need to replace at least the short block on my 2018 Gen III Supercharged Coyote, due to wadding up one of the high flow cats. Any know if I can swap in this Gen IV Long block? The pricing seems very reasonable.
  6. Pulled over in california for not having cats

    Really Man, “We would all be Dead“ without Catalytic Converters, what Propaganda. Do you have any Idea of what goes into Catalytic Converter’s and what it takes to make them. Talk about Pollution. And don’t get me started on the Recycling Lies. What comes out of a Vehicles Tail pipe Is only a...
  7. Random P0300 Random Misfire

    Yes, it only throws a code on start up sometimes cold start sometimes on warm start but not every day. No codes on driving or WOT. I guess that’s it’s called Random. It’s been the most frustrating thing I have dealt with on the car. No other codes to point me in any direction. I’ve heard Cam...
  8. Random P0300 Random Misfire

    Update: Replaced Plugs and Crank Sensor still throws PO300 But Now only on start up. Could It be the tune ?
  9. Random P0300 Random Misfire

    Hey Guys my 2016 5. 0 just started showing a PO300 Random Misfire Code. I’m trying to get it to pass emissions but the O2S, HTR and CAT wont reset. Car runs great no drivability issues. Mods are Longtubes, 18 Manifold, AED E85 Tune. Any common things to look at for a Random Misfire Code?
  10. Arizona 2011-2014 Mustang Premium Leather Front Bucket Seats

    I have a pair of excellent factory OEM front, Power Leather Mustang Seats. These are almost impossible to find in this condition. The seats fit 2011-2014, may fit other years. That's why I posted them here. They are Black or Ebony in color. Will only sell as a pair. Will ship, buyer pays...
  11. Quietest 3in exhaust

    i just installed a true full 3” 304 Stainless system from AFE in California. I had never heard of them , but did some research and they had good reviews. I installed it myself, the fit and finish are very good. This has a great Deep sound with no Drone. I’m running Stainless Power Headers with...
  12. Michigan Steeda Mustang 'Stop the Hop' Street Ultimate Kit (2015-2023)

    Interested in complete kit, can you check shipping to 85213
  13. Massachusetts Looking for Stock 2018+ GT headers and cats

    I have them. Replaced them with Headers @ around 10k. Not sure what they’re worth. Shipping would be from Arizona 85283. I can measure and weigh them to get a shipping quote.
  14. Mustang washed away in flood

    Really Man, 82 Trillion LBS CO2. I Love how we are to follow the science of those who profit from it. They predict the end of the world, unless we submit to their Authority. These are the same scientists that can’t predict the Weather tomorrow.
  15. Warning: Don’t Trust Aftermarket Cats if Boosted.

    in Retrospect, it was probably my fault, it blew the head gasket. On the run prior to it blowing, it thru a Wrench light. I scanned it and it was a throttle code. I had just installed a new Water Meth system plumbed ahead of the Throttle Body And thought that may be causing an issue. So I...
  16. Warning: Don’t Trust Aftermarket Cats if Boosted.

    It’s possible the gasket blew first, but I doubt it. The logs never showed it pulling timing, but the 1/2 mile puts a-lot of stress on everything . I will know more once I get it torn down.
  17. Warning: Don’t Trust Aftermarket Cats if Boosted.

    Blew a Head Gasket on my Edelbrock Stage 2 Supercharged 18 GT. I’m Running the stock Edelbrock provided Tune. Additional Mods are JBA Long Tubes, JBA High Flow Cats and full 3” Exhaust . Fuel I run is 91 with Boostane additive with the stock pump enhanced by Boost a Pump. Data logs all looked...
  18. Texas 8in Sync 3 conversion

    I will take it. I sent you a PM. Thanks,





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