Who will swap for the new 7.3 V8!

Discussion in 'Mustang S550 General Forums' started by Fatguy, Mar 9, 2019.

  1. OP
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    Fatguy

    Fatguy Banned

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    Not my idea. Already in the works by those more knowledge than me. I found out after all that. I never said I would do all this myself. And I think this will be a popular conversion in the Mustang community.
     
  2. HeelToeHero

    HeelToeHero Well-Known Member

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    Unsure if trolling or serious...
     
  3. engineermike

    engineermike Well-Known Member

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    You completely missed the point of that post. The first three words were..... “just for comparison”. I’m trying to get across that $10k (your stated cost estimate) was woefully incorrect, as is most of your other assessments about this project.

    I’m not saying it can’t be done. I just know it won’t be as cheap, easy, or awesome as you seem to think. You’d be way better off trading your base mustang in on a new gt.
     
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  4. OP
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    Fatguy

    Fatguy Banned

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    No, but but that is the way consumers think. How many 5.0 owners (not in danger of losing their license) take their badging off? In advertising my enthusiasm alone is worth 12,000 like minded individuals (in North America) which is enough to make a business plan for this conversion. It will happen and you will be able to take pictures at SEMA.
     
  5. OP
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    Fatguy

    Fatguy Banned

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    I don’t want the present 5.0. I want iron block like my fox bodies but bigger. I want 1,200 rpm, not 3,500, 4,500 or 6,500. 1,200! I want to put it in one gear and drive all day on that like you could in the old cars. And shred the tires from that if I so wished. I want a big block. I want a “rock crusher.” And I know I’m not alone.




     
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    Fatguy

    Fatguy Banned

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    Paid 18,500USD for the V6. Conversion with trade in for low miles V6 and transmission and let’s say 36,000 to have that car. Not bad in the end. It would not make sense for a 5.0 but the V6 guys can do this.
     
  7. Dave TBG

    Dave TBG Patiently waiting...

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    Wow forget-it-hes-nqunii.jpg
     
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  8. Mikthehun1

    Mikthehun1 Well-Known Member

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    Really, it's our fault for engaging.
     
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  9. The_Mad_Patcher

    The_Mad_Patcher Well-Known Member

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    I ran a 428 SCJ with dual quads in a 67 Mustang GT 4.11 Ford top loader and an L71 67 Vette (427 tri-power) 4.11 4 speed. The coyote, stock will run with them no problem at a higher vehicle weight because of A/C, power steering, air bags, power anti-lock brakes, etc. that make the new cars more comfortable and safer while being more fuel efficient. Add a Whipple like I did and there is just no comparison. Both old big blocks didn't get into their power range until about 3500 RPM because of the camming and carbs to make them run about 12 seconds give or take .5 seconds because of track conditions. They also had headers, traction bars and more. Don't forget the smell of no cats exhaust. With or without forced induction, I'll stick with my coyote. Let me know when they put coyote type top end on 427 cubes. That I would love to see work. But yes, I look with back with great memories of simpler cars and times. But I have moved on.
     
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  10. OP
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    Fatguy

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    But these are similar design and modern refined. Variable valve timing. No vacuum heater tube with a warming shroud at the exhaust manifold. This is a modern engine with low end driving in mind. The kids (anyone under 53) are just used to small displacement engines.

    Torque is accelleration and not horsepower. They will just have to experience the difference to understand it. And you can put a blower on the 7.3. A real set up with possibilities.


    But I think the angst is partly that some may not be top dog in the Mustang realm after this. The big engine is daunting even if set up for hauling (hauling ass for us). Plus I think wives and neophytes will get what they expect when they drive this beast.


    Nobody will take this understeering wonder to the track. The drag strip maybe, but not the track. To each their own. It seems there is now a legitimate reason to have this engine or it would not exist. And that is because the Ford engineers put aside their preconceptions and reverse engineered (technically wrong but you get the idea) an engine from the end requirements and got a 2 valve push rod engine as a result. What is old becomes new again.



    Koodos to Ford engineering!
     
  11. martinjlm

    martinjlm Retired from GM

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    Unsubstantiated rumor. And if there is any truth at all to it, it is only for heavy duty trucks. But then again, so is the Ford 7.3L.
     
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  12. Mikthehun1

    Mikthehun1 Well-Known Member

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    This, this is what I'm talking about. Regrets buying v6, trolls everyone else. Shit I just bumped the thread...
     
  13. OP
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    Fatguy

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    Maybe as I did look at the 2017 Mustang GT but could not find one in black. I originally just wanted transportation but you guys got me interested again so there is some truth there. The other truth is that I don’t trust the present 5.0 motor. If it was solid I’d probably be driving one right now. But this new option is intriguing.


    For those still reading this try this out when you drive your car. Keep your eye on the tachometer and see where it’s at as you go about your day. Mine is at 1,200 in “D” so if you wanted a more powerful engine, one optimized for 1,200 rpm will give you the most bang for buck experience under your typical driving experience.


    So I’m not blowing smoke up anyone’s ass wanting power under the conditions they use it. I have never redlined my engine once. So that power means nothing to me. Some here track their cars but I am talking to folk who just drive it around. So now you can have what you always wanted.



    But yes it’s true, time will tell...
     
  14. Dusten

    Dusten Well-Known Member

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    Fuck your stupid comments about kids
    Ive iowned plenty of big blocks.
    Ive also got a measely 330in motor that makes more torque under 2000 rpm than most carb'd streetable big blocks can dream of.
     
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  15. engineermike

    engineermike Well-Known Member

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    Did you miss the part where the modern 5.0 makes more torque than the old big blocks across the entire rpm range? A lot more, actually....
     
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  16. Blown86GT

    Blown86GT Well-Known Member

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    Yes sir...you are correct. I hang my head in shame since I fell for it.
     
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  17. engineermike

    engineermike Well-Known Member

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    For the life of me I can’t undersrand why anyone would think this would be a good idea. But even if that did float your boat, the modern 5.0 has 1000+ more rpm range than an old big block so it would be better suited.
     
  18. OP
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    Fatguy

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    Normally I drive a truck with a 13L motor so all these motors are still relatively small. Its a different experience especially when empty. For all the hype I’m still underwhelmed by the present motor. It needs more at the very low end and this new truck motor should deliver on that.


    Actually I want input on average rpm driving to validate an engine philosophy in my head. I really think a low rpm but high torque truck motor would suit most people here just fine. I really believe that!
     
  19. OP
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    Fatguy

    Fatguy Banned

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    BTW: I don’t think any specs are out yet on the motor so numbers mean nothing. But let’s say 475 pound feet of torque at 1,200 rpm would do it for me? Yup...
     
  20. BmacIL

    BmacIL Enginerd

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    No, you just need to put a proper rear end gear on it and drive one without clutch protection on. That part of the factory calibration chops the nuts off 1st and 2nd gear torque delivery. 3.73 with the 15-17 MT82 ratios and you will struggle to hook up all the time with anything but a drag radial.
     
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