Would you rather the '06 Cobra have a S/C V8 or V10?

Discussion in '2005 - 2014 S-197 Mustang -General/Talk-' started by Z28x, Nov 24, 2003.


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Would you rather the '06 Cobra have a S/C V8 or V10?

  1. Supercharged V8

    78 vote(s)
    46.4%
  2. V10

    90 vote(s)
    53.6%
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  1. SVTdriver

    SVTdriver Founding Member

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    Yesh but I'm betting it's at least a little longer. Which might mean it starts closer to the firewall (or they may have to modify the firewall). Which could throw off the crash tests. As it would take less impact for it to start pushing into the interior. And the extra length may also effect handling. Either way there is still testing that would have to be done.
  2. JHRide00

    JHRide00 Founding Member

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    V10 all the way... especially since you said they would be the same price, guzzle the same amount of gas.. ect.. ect..

    There's no replacement for displacement!

    2 more cylinders of fun... Plus just think about slapping a twin turbo on that bad boy like they did to the Hennessi Viper and just imagine the numbers you would be pulling on the dyno.

    John
  3. 63_Fairlane

    63_Fairlane Founding Member

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    The 96-98 cars are slower than the 94-95 cars. Thats the point! Not only were they not a substantial improvement, they were worse. The 99+ GTS are slightly faster than a 87-93 5.0, but they have 3.27 gears versus 3.08s.

    The new cars are realy improved in in steering and brakes and that can only be said of the Cobras, Machs, and Bullits. The stock GTs, even with the rear discs don't carry enough brakes from the factory. The Cobras and Machs produce plenty of power.


    There are inherit problems with the 4.6 and any of its subsequent versions as a performance engine, especially as a high winding four valver. Its bore spacing and thus bore is really too small to take full advantage of the high flow characteristics of the four valve heads. It's a basic design flaw.

    The engine was originally designed to power the front wheel drive Lincoln Continental. It had to be short to fit between the front wheels so they made the bores a little small and tighted up the bore spacing. Please note that the Continental has been S#$%canned. So we are living with the a design compromise for a front-wheel drive car that is no longer part of Fords line up.

    Basically,the 4.6 could have been better. In two valve form, it initially generated the same volumetric output as the old 2.3 Liter four cylinder. An engine that was as old a methuselah.

    Can you understand the disapointment??

    From 99 on up there has been less to complain about.
  4. awalbert88

    awalbert88 Founding Member

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    Uh.. I'm well aware of the fact that 351ci is 5.8L. I have no idea what you were replying to by telling me this....

    Making headers for a V10 is not necessarily as simple as adding a pipe to each V8 header. Heads are a lot tougher to do (not that there's much of an aftermarket to build off of with regards to heads for the MOD motors anyway...) Cams aren't hard to make, but would still be more expensive for the V10, because it's a longer, more complex motor.

    Crash testing is required every time you put a different motor in a vehicle for production, because it changes the weight balance. Yes, the V10 may be lighter than the 03 Cobra motor, but it's longer, so the weight is distributed differently. Having seen firsthand what happens to the front of a Mustang when it sustains a strong front impact, I can asure you that the frame is not the only thing taking a beating. The hood will compress down and in; the bumper covers will fold up (or down, depending on the type of impact), and the radiator will easily be bent in or punctured from the running horse/snake emblem being pushed in. Now, the motor might be untouched, but more than likely the hood will push against it, stressing or damaging front accesories/pullies, and the same for the radiator compression.

    Now I can't say how an 05 Mustang will do, but I suspect many of these same things would happen. Keep in mind that my notes above are based on a 20-25mph impact with a telephone pole. Anything faster and the frame will almost certainly bend, rendering the car effectively worthless. Once that happens, the motor will start to obsorb a lot of impact, and slam into the firewall. With the V6 or even the 4.6 V8, there's still a good bit of room for the motor to move in the event of a severe impact. You don't want it to smack into the firewall that easily, because it could puncture it, causing the car to fail collision testing.

    Again, I don't know how the 05 would do, because I've yet to see under the hood of the final production version.
  5. DBMSTNG

    DBMSTNG I fantasize about it being BIG! Founding Member

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    you were talking about a 5.0L V12, i misunderstood what you were trying to say.

    making headers is one of the easiest parts of an automobile to make. all you need is tubing, a machine to bend it, a mill, some sheet metal, and some welding equipment.

    the head isn't any harder than a V8 head. for the Boss 351, the Ford engineers used the same architecture as the Cobra R head and added on more set of valves.

    more expensive, sure. more comlpex, not at all. the extra cylinder has the same lobes as the other cylinders, just at a different rotation angle.

    the added weight of the intercooler on the 03 Cobra should easily negate any difference the added weight of 2 cylinders would produce forward of the wheels. you are only talking about 4 extra inches here. not that significant. weight distribution will be slightly closer to the optimal 50/50 than the 03 Cobra.

    and what do you think happens to the intercooler on a 03 Cobra in a frontal collision? it could easily be pushed into the front of the motor.

    again, the engine would only be another 4" longer. people have stuffed 6.8L V10's in stangs without a problem. the DOHC 351 is to a 4.6L DOHC as a 5.4L SOHC is to the 6.8L DOHC.
  6. SVTdriver

    SVTdriver Founding Member

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    Sure anyone can add whatever engine they want. That does not get it past safety testing. Yes the intercooler could be pushed into the engine. But the intercooler can break a little easier than a motor block.
  7. kirkyg

    kirkyg Founding Member

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    Its going to have to be a real accident frontal collision with good force to bend the frame enough to make contact with the engine. I dont know if you've looked in our engine bays recently from right in front of the engine. But there is a huge gap there and from what it looks like its going to take the frame bending to force the fan/radiator area into the front accessories of the engine.

    kirkyg
  8. awalbert88

    awalbert88 Founding Member

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    It doesn't take much at all for the radiator to bump the front accessories even on a V6 (which has a rediculous amount of room to spare). The frame doesn't have to get bent for that to happen. When everything gets compressed, that free space is going to go bye-bye very quick.

    I can convert a Festiva to a mid-rear layout with a 500+ cuin V8 if I really want to, but it's not going to pass crash testing as a production vehicle. What you can do to your own vehicle and what can be done with a production vehicle are very different.
  9. SVTdriver

    SVTdriver Founding Member

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    Then by your own admission of the motor being 4 inches longer. That makes it easier to hit the motor with anything on the front end. Which again goes to collision damage absorbtion ability.
  10. yellow5.0cobra

    yellow5.0cobra Founding Member

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    You guys are having such a rediculous argument.

    Have you looked into any CHRYSLER engine bays?

    ANY other car BESIDES a MUSTANG?

    They have NEXT TO NOTHING in room near the radiator support.

    Lets NOT FORGET this is on a NEW chassis, whatever chassis you have imagined in your head, stop thinking about it. We dont know how it looks like or what kind of room there is and whatnot.

    So, STOP.
  11. Ohio 1989GT

    Ohio 1989GT New Member

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    You guys just got :owned: :lol: :rlaugh: :p
  12. AROD357

    AROD357 New Member

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    Well of course a regular F-body would be no competition but if you pare it up against a car in the same class like the ZL1 camaro that puts out 600 HP with only a 427 CI V8 and not a V10 then that would be a different story...

    I think Ford should go with the V8 5.4 DOHC just my .02$ it would sound way better than a V-10. I once heard a Viper being dynoed it sounded like a 4 cylinder... even though it was puttin out more than 700 HP... what a joke...
  13. Ron Jeremy

    Ron Jeremy New Member

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    Screw the V-10. Keep the price of the Mustang and Cobra Mustang reasonable and affordable. If you guys are that stupid and want to spend $45K-$60K just for a car with a V-10 engine in it go buy yourselves a C6 Corvette. I'm sick and tired of people wanting things to be put on the Mustang that are unreasonable which will make this particular car VERY UNAFFORDABLE to many people in here. The Mustang is good enough the way it is. Keep it affordable and reasonably priced. Don't make the Mustang become as expensive as the Corvette all because you want some stupid V-10 engine in it or all because you want IRS or a 5.0L in it. Don't you people in here understand that if you start asking for all this stuff that the Mustang will become as expensive and unaffordable like the Corvette. What the hell is the matter with everyone in here? You must all be young 18 year olds with unpopped cherries who are living at home with no clue about cost accounting and finance. If you weren't, you wouldn't be asking for the new Mustang to have all this expensive BS in it. Get real, grow up and wake up. All this stuff that you are asking for to be put in the new 2005 Mustang costs BIG MONEY and will cause the Mustang to cost over $45K-$60K. Be more realistic. The Mustang is NOT a Corvette and it should NEVER be compared to it or even cost like one. Please understand this.
  14. Z28x

    Z28x New Member

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    AROD357 - The Ford 5.8L V10 doesn't sound the same as the old 8.0L Viper V10

    Ron Jeremy - The 5.8L V10 would be just about as reasonable as a S/C DOHC 5.4L V8. I agree with you on price, if it is going to ccost over $45K then Ford shouldn't even bother.
  15. AROD357

    AROD357 New Member

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    It still will not sound like the V8 because of the extra cylinders it will have a lower tone than a V8


    and seriously to even consider that Ford would put this in the regular Mustang GT is extremely over-rated and would never happen...if anything it would be built as a limited production like the Cobra R... but would not likely see production becuase of the succes that Ford has had with forced induction...
  16. Ron Jeremy

    Ron Jeremy New Member

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    I'm glad that you agree with me about this. The last thing that we all need is for the Mustang GT to cost $40K-$50K.
  17. SVTdriver

    SVTdriver Founding Member

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    Actually if yu break it down to displacement it is the same class. Both are 350.
  18. Z28x

    Z28x New Member

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    It would never go into a GT, GT is entry level performance.

    If a V10 is ever made it would be in the Cobra, Shelby, or Cobra R
  19. 351CJ

    351CJ New Member

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    He guys, how about a little more focus on logic & the facts instead of emotion?

    The 6.8L V8 engine is an option on the F-250 at a cost of ONLY $600 more than the 5.4L V8. It is also an option on the E-350 at a cost of only $800 more than the 5.4L V8!

    There is no way a V10 would cost $10K more than a V8 in a Mustang. I'm sure that the 6.8L V10 is going to be switched over to 3V heads eventually, so 3V head castings will be availble at resonable cost. There are rumors that the new Lincon Continental will have an option for a 5.8L V10 engine, so now you have the block too. One it's in production a V10, SOHC 3 valve engine will probably cost less to manufacture than the 4.6L, DOHC, SC Cobra engine and with an aluminum block, which the Continental will use, it will weigh less than the iron block Cobra SC engine.

    As far as the exhuast sound goes, this was already extensively discussed. The Viper V10 sounds bad because there is not an X or H pipe on it. So what you hear is 2 separate 5 cyl engines. With an X or H a V10 can sound great. Go back earlier in this thread and find the link to the V10 Mustang 1/4 mile run video and try to tell me that the V10 Stang does not sound awesome!
  20. i4power

    i4power Founding Member

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    Seriously, people are blowing this out of proportion. The 5.8L V10 is basically a 4.6L V8 with two extra cylinders!!!! There is NO WAY a Mustang with a 430rwhp V10 will cost $50,000!!!! No, it will NOT weigh more!!!! From 5.0 Mustang and Super Fords: it weighs 90lbs less than the Cobra V8. FYI, the group that assembled this engine were on a LOW BUDGET. Also, the engine is quite reliable, as they've been driving around with it for over a year.

    351CJ: The 5.8L V10 is an entirely different V10 than the 6.8L V10 from the trucks. They can't use the heads, so they basically took the Cobra R castings and glued on two more combustion chambers, valves, etc.

    The sound is AWESOME. I can post the V10 file now, so you all can hear it. It sounds like nothing i've ever heard, and I can't stop playing it over and over again, just to hear it. I'll try to post the file on my site so you can hear it.
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