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Thread: Blue Stripe

  1. #81
    Senior Member P Machy's Avatar
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    Left Side Head P/N: 2C5Z-6049-BAB
    Right Side Head P/N: 2C5Z-6049-CAB

    Those are the latest P/N with 9 threads.

  2. #82
    Administrator BurnTire's Avatar
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    Quote Originally Posted by P Machy View Post
    Left Side Head P/N: 2C5Z-6049-BAB
    Right Side Head P/N: 2C5Z-6049-CAB

    Those are the latest P/N with 9 threads.
    Hey P are those the 1/05 heads or a production head part #.
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  3. #83
    Senior Member 50 BMG's Avatar
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    Update:

    The 3rd orange car (joe public off the street car) has 9 thread heads, production date 03/04. Customer also looked through bore scope and counted 9 threads before we said anything to him. Car just left the shop...

  4. #84
    Administrator BurnTire's Avatar
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    04 Hands on Head Inspection.

    Ok Dan this is for you Big Boy


    I was so dam curious about this issue that I had to see for myself.
    I took a look at a set of unmolested stock heads from an 04 cobra.
    This car was built 11/03.
    I retract any previous statements to you Dan about being wrong on the issue. You are correct 04's have 9 threads. I have to take a look at mine again.




    Here are my findings


    This 04 Cobra Head has 8-9 threads.


    I took an impression of the hole with a good piece of Trident Gum. What a waste of a good piece of gum. It took about 8 to 8 1/4 full turns of the plug to seat it depending on the hole we selected. It is hard to see the gum but I counted 8 full threads on the impression. With the partial threads at the start and finish it is closer to 8 1/2 to 9 threads depending on cut.



    Head Stamp



    Sticker On head. Maybe someone can verify what this is for the date is 7-24-03



    Conclusion:

    1. This 04 OEM Production Head has 9 threads.
    2. We have pictures to prove it.
    3. I wasted gum.
    4. It still appears that some 04's have 4 threads. I am curious if those are only from the early part of the 04 production?

    5. I was wrong and I will shut the hell up on the issue.
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  5. #85
    Senior Member 50 BMG's Avatar
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    Quote Originally Posted by BurnTire View Post
    1. This 04 OEM Production Head has 9 threads.
    2. We have pictures to prove it.
    3. I wasted gum.
    4. It still appears that some 04's have 4 threads. I am curious if those are only from the early part of the 04 production?

    5. I was wrong and I will shut the hell up on the issue.
    It doesn't matter who is wrong, it's getting the correct info out there that matters to me.

    So I take it those are shaggys OEM heads?

    Number 4 might be engines that were "pulled" and set aside on the line then put into a later build car. Dario's car is a perfect example of this. Also, what month/year was your car built?

  6. #86
    Administrator BurnTire's Avatar
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    Quote Originally Posted by 50 BMG View Post
    It doesn't matter who is wrong, it's getting the correct info out there that matters to me.

    So I take it those are shaggys OEM heads?

    Number 4 might be engines that were "pulled" and set aside on the line then put into a later build car. Dario's car is a perfect example of this. Also, what month/year was your car built?
    Yes this is the OEM head.

    Mine was one of the last ones 3/04.
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  7. #87
    Senior Member Ethan@S3M's Avatar
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    Whoopty freakin doo! Here is one you can guys can argue about next. How much wood could a wood chuck chuck if a wood chuck could chuck wood.

  8. #88
    Administrator BurnTire's Avatar
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    Quote Originally Posted by Ethan@S3M View Post
    Whoopty freakin doo! Here is on you can guys can argue about next. How much wood could a wood chuck chuck if a wood chuck could chuck wood.
    Well Dan what do you think?
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  9. #89
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    Quote Originally Posted by BurnTire View Post
    Well Dan what do you think?

    An apology from the great coolant gods would be nice. There response was neither correct nor professional. I understand doubting me because they have no idea who we are however maybe they should exert half the effort Jeff has in the researching this as we had last year. What is done is done. However an apology to Indy is in order if not public then at least in a PM

  10. #90
    Super Moderator Gene's Avatar
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    I wish I gave a shit to be a part of all of this action. For what its worth, I still have 4 thread heads and anti seize them everytime a plug goes in. I've never had a problem.

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