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DaveMT

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About DaveMT

  • Rank
    Is that a Mustang?

Vehicle Info

  • My Car
    1973 Mach-1 Sportsroof (1970, 351C-4V M-Code Motor, 4-Speed Toploader)

Location

  • Location
    Gibsonia, PA
  • Region
    Northeast

Personal Information

  • Sex
    Male

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  1. I wrote that info down somewhere when I first purchased the car but I cant seem to find my notebook at the moment. But if I remember correctly, the date code was "0F23". I don't know the casting number yet. I was going to obtain that info when I replaced the cam. The heads have the "4" marked on them without the dot on them. There is so much disagreement on what the dot means though. Some say it means open chamber while others say it means nothing at all, while even others say it appears on heads manufactured after a certain date.
  2. My 73 Mach-1 has a 1970 M-Code (Toploader 4-speed) with the 4V closed chamber heads (11.0 compression according to Ford spec's). Initially, I was thinking I wanted a street and strip car but recently I'm thinking I would be very happy with a good high performance street machine. At present, all is stock except for an Edelbrock Performer intake, Holley 4160 (750 cfm) carb, MSD distributor and ignition, and turbo mufflers. I too have 3.25:1 rear gears but no traction-lock (yet). I really want a good performance street cam with a very noticeable lope at idle (I love that sound) but I have power s
  3. That is one of the ones I looked at (found on Summit racing's website). I was hoping for ceramic coated but the #6915's in ceramic are twice the cost of the painted black tubes so I'll take what I can get that fits. It says that they will fit the 4V heads and with a manual transmission and power steering. They might be the ticket. I don't plan on driving it in rain or snow and its garage kept so the plain steel ones would probably last a long time. Maybe if we get that 2nd Stimulus check, I can splurge.
  4. Using the spread sheet provided earlier, it tells me to use a cam with 290 degree duration and 110-112 degree LSA.
  5. Does it matter that my 351C-4V motor is an early 1970 M-Code (11.0 compression). Would it still be too much cam? Richard Holdener who seems to be quite an expert on small blocks (Chevys, Mopars, Fords, and his favorite is the Ford 351C) has a bunch of YouTube videos where he installed this cam in a pretty much stock 351C-4V M-Code with the same compression and closed chamber 4V (quenching) heads and produced 450 HP and 491 Lbs/Ft. of torque. Although those numbers were achieved well above the 5200 RPM mark.
  6. Does it matter that my 351C-4V motor is an early 1970 M-Code (11.0 compression). Would it still be too much cam? Richard Holdener who seems to be quite an expert on small blocks (Chevys, Mopars, Fords, and his favorite is the Ford 351C) has a bunch of YouTube videos where he installed this cam in a pretty much stock 351C-4V M-Code with the same compression and closed chamber 4V (quenching) heads and produced 450 HP and 491 Lbs/Ft. of torque. Although those numbers were achieved well above the 5200 RPM mark.
  7. I thank you all for the welcome.
  8. Does anyone have any experience using a "Comp" Cams XE284H camshaft in a 351C-4V (M-Code). I have been researching cams for awhile and am looking for a good performance cam for street and occasional strip use in my 1973 Mach-1 and so far I am leaning toward the XE284H. I don't mind a moderate lope at idle and actually like that sound in a street machine. I was wndering if anyone has any pros and cons on using this particular cam. My car has a 4-speed Toploader and 9" rearend with 3.25 gears and I will be adding headers soon but currently have a Edelbrock Performer manifold with a Holley 4160 (
  9. Thank you for the welcome.
  10. Yes, I do have power steering on my Mach-1. According to the Hooker website and Summit Racing's website these will fit but I was hoping someone out there could confirm that before I purchase them. Nice stang by the way. That's pretty sharp! I need to reupholster my interior also. Both front seats are torn and my drivers side armrest is badly damaged.
  11. I'm a new member to this forum, having just purchased my first big nose Mustang a few months ago from a gentleman in Fredericksburg, Virginia. Its a 73 Mach-1 Sportsroof, 351C-4V, 4-speed in Blue Glow paint. According to the Marti Report that I purchased it was originally a Q-Code but the previous owner had replaced the motor with a 1970 351-C-4V M-Code many years ago. So there's no chance of ever having it be a numbers matching car. But that M-Code motor has the high (11.0 to 1) compression, closed combustion "quench" chamber 4V heads so it does run well and for that I am very pleased. The pr
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