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  1. 93gtmustang

    GT-40 M-6049-X303 Plug Gap

    The plugs are pretty new. Installed this past April. Stock Ignition, 9.0:1 compression, Ford Racing 24 lb. injectors, Hypereutectic pistons (I think they are dish domed ? It's the old M-6007-XB3M Ford Racing Crate Motor) Aluminum Radiator, Electric Fan, 195 thermostat.
  2. 93gtmustang

    GT-40 M-6049-X303 Plug Gap

    Great info! Thanks! I'll get a pic of the plugs. I'll get some info up on what you were mentioning too.
  3. 93gtmustang

    Head and Cam Swap without removing engine?

    It's a no brainer that it's way easier with the engine out. But can it be done? Heads I think, yes? Cam I'm not too sure of? Thanks!
  4. 93gtmustang

    Help Choosing Holley Sniper EFI

    That's good to hear! It seemed complicated to me, but....
  5. 93gtmustang

    best rear control arms?

    I have BMR Adjustable Lower and uppers on my drag car.
  6. 93gtmustang

    Help Choosing Holley Sniper EFI

    1993 Mustang Drag car. Stock Fuel injection. Ford Racing GT-40 Crate motor. 345 Flywheel hp. Built Dynamic racing C-4. Bunch of suspension. Cage. The next plan is to upgrade to Trick Flow 11r heads that will put me about at 411hp flywheel. Looking into engine management to accommodate future up...
  7. 93gtmustang

    GT-40 M-6049-X303 Plug Gap

    The Motorcraft plugs are copper core. 0.044 gap. That gap I believe is for a 4 cylinder. That's probably why the guy at Ford racing gave me that spec. He was probably looking at the Motorcraft parts book? That's right on the stock Gap. I just looked in the 5.0 Mustang tech reference book...
  8. 93gtmustang

    Fuel Proper Way to Check Fuel pressure

    I'm going over the car today for next weekend at the track. I'm going to set the fuel pressure to 39psi and see how it goes. It makes sense. If the ECU tables are based on 39 psi, why set it at a different number.
  9. 93gtmustang

    Help Choosing Holley Sniper EFI

    I was looking at the Mega- Squirt. Seems like a way easier install!
  10. 93gtmustang

    GT-40 M-6049-X303 Plug Gap

    I'm using Motorcraft SP-447A Plugs with the GT-40x heads. Was just wondering what you guys that are running these heads are gapping the plugs at? When I bought the motor, Ford Racing said 0.044. I've seen 0.045, 0.050 and 0.052. Thanks !
  11. 93gtmustang

    Torq Box Kit

    I had BMR Torque boxes put in my car a couple years ago. They have good instructions on there site too.
  12. 93gtmustang

    Help Choosing Holley Sniper EFI

    Thanks for the info. Do you have the terminator x mpfi kit in your car? If so, was it a pretty easy install?
  13. 93gtmustang

    Help Choosing Holley Sniper EFI

    I'm ready to upgrade my EFI. Looking for some input on which package to go with. I like the 4-barrel type. Looks like the way to go for a drag race only car? Thanks! https://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_4-barrel_systems/sniper_2/parts/550-511-BXX...
  14. 93gtmustang

    Oil Fill to Throttle Body PCV Tube Installation Lube?

    What kind of lube is being used in this instructional video? Thanks! https://lmr.com/item/LRS-6758B/mustang-oil-fill-to-throttle-body-pcv-tube-86-93-5-0
  15. 93gtmustang

    Black Tweed Complete Rear Seat Price?

    What is a complete black tweed rear seat in very good condition worth. I saw one on Ebay for $1,000.00 !
  16. 93gtmustang

    Top End Kit or Supercharger?

    Holy Crap!!! What track is that?
  17. 93gtmustang

    Top End Kit or Supercharger?

    Good information! Sounds like you have a nice build there! What do think the total cost was?