mach 1

  1. S

    Navigator heads on Mach 1

    Building a N/A 4.6 Dohc Does anyone know if the 2000 Navigator (5.4 dohc) Intake manifold would mount onto a 4.6 with D heads?
  2. gavinmgrant

    Resolved 2004 Mach 1 WOT fuel/spark issue?

    Hello all, I am in the process of recording datalogs for my tuner to get my Mach 1 dialed in. The base tune is dialed in according to my tuner, so he requested some 3rd gear 2,000 to 5,000 rpm pulls. On the first pull at WOT it felt like I hit the rev limiter at ~5,000 rpm. I am not sure if it...
  3. gavinmgrant

    2004 Mach 1 PCM/tune issues?

    Hello everyone, So I bought a 2004 Mach 1 as a bit of a project and it was quite the task getting it back up and running. But now im running into some tuning issues. So the guy who always tunes my mustangs is in the process of writing a tune for my Mach 1. Well when I bought the car, it had...
  4. gavinmgrant

    2004 Mach 1 losing fuel pressure. Bad fuel pump?

    Hello everyone, Here’s my issue and some backstory on why I started troubleshooting. So my 2004 Mach 1 will never start the first try. But it will start the second. I’ve changed the battery, I needed to anyways so I’m not sweating over the battery change. The fuel pump is new. It’s a Walbro...
  5. 0

    Will foxbody tailpipes fit a new edge?

    I recently went to have some exhaust work done to my 03 Mach 1 but the shop couldn’t bend 3inch piping for my tail pipes. And I’ve been having a hard time finding only tail pipes for new edges (I have a 3 inch x pipe with dumped magnapacks) I do not need a whole cat back only tail pipes. Does...
  6. 1

    Please help!

    Hey everyone so I have a 2004 Mach 1 with just under 100k miles. Just recently my car started to make a crazy whinnying/grinding nose while im driving. It doesnt happen at neutral and it doesn’t happen when im revving. It happen in 2-5 once I hit about 3k rpm and will keep making this noice...
  7. D

    Carb Spitting

    Hey, I'm looking for some tips after rebuilding my holley double pumper. When I stomp on the pedal (idling) the car will sputter and if I press moderately it will spit fire out the primary and air out the secondary. If I press the gas gradually, there's no issues and it revs as expected. It...
  8. 7

    1971 mach 1 build

    I'm building a 71 mach 1 with a 351c i don't know what I should do for more power were should I start when building a engine
  9. T

    Check Engine light question

    So i’m thinking about going cat-less on my mid pipe to wake up my cars exhaust note. I have a 2003 Mach 1, bone stock. I really want to go catless but i don’t have the money to buy a handheld tuner or go get the car tuned for the CE light issue.. is there any other way that i could get rid of...
  10. S

    2003 Mach 1 failed emissions, high nox - help?

    I bought a 2003 Mach 1 with 13k mikes on it. It had a supercharger put on it by previous owner who worked for Ford. I had it emissions tested yesterday, and it failed due to high nox. I’m wondering what the possibilities for cause could be. I don’t pretend to know anything about engines. My...
  11. W

    Mach1 2003 coolant leaking rear of engine

    What should I do to determine where the coolant leak is? It is leaking coolant where the pictures show onto the sway bar usually then to the ground. I cannot see a leak in the back on the engine like where the heater hoses are. What should I do to troubleshoot this? This is NOT condensation like...
  12. nathanruschill

    2006 Mustang GT mach 1 tribute

    I just bought my second mustang GT last friday ( my brother crashed my 2000 new edge GT :( at least i can say at 15 i have purchased 2 mustangs already :D). I was looking at mach 1s alot ever since the accident however they are either a really good price but need work, or they are super...
  13. 7

    1973 Mach 1 Mustang Scholarship!

    Hello All! My name is Carver Boldman. I am 17 years old, and am part of a family that loves cars! My uncle paints cars professionally in California, and my Dad, brother and I restore classic cars for a hobby. Over the past 10 years or so we have restored many vehicles including but not limited...
  14. 2004 Mach 1

    2004 Mach 1

    Waiting in a parking lot for a friend.
  15. 7

    WTB/Trade 1973 Mach 1 Louvers wanted!

    Hi All! I am restoring a 1973 Mach 1 Mustang, and am looking for some rear window louvers. I'd like to buy some used ones for less than 300. ( I can buy brand new ones of cjponyparts for 300) If any of you guys have any suggestions (or unused louvers) PLEASE let me know! Thanks! Here's a pic...
  16. robert robinson

    New engine for Mach 1?

    I have a 2003 Mach 1 that just rolled 167000. It leaks oil, has a little tick or rattle and it starting to show it's age. My question is, where can I find a new 4 valve 4.6 long block or short block. Everywhere I look it's all coyote stuff. I understand the coyote is a great motor, and I'd...
  17. N

    2003 Mach 1, electrical issues

    I have a couple issues going on with my Mach 1 at the moment. For one i recently replaced my drivers side window motor since it went out but now when ever I raise it all the way up or drop it all the way down the motor doesn't stop and make a loud clicking sound of the 2 gears clashing unless I...
  18. 4

    1969 428CJ Mach 1 Q Code 4spd (close ratio) w/38k miles

    Hi All! I am in the process of purchasing a pretty unique car. Essentially, the provenance can be traced back to the original owner and I have lots of documentation from the original dealer invoice, all the title transfers with mileage listed (including the last sale at a major auction house in...
  19. N

    Need help, 03 Mach 1 won’t start

  20. M

    1973 Mach 1 Electrical/startup Help

    I'm new to this forum and was hoping you guys could help steer this build in the right direction for me. I'm pretty much a novice at this stuff So ive got a 1973 Mach 1 with a 351c and an MSD 6al ignition box, pro-billet distributor and blaster 2 coil. I inherited the car from my dad and have...