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Thread: Cam question....
          
   
   

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  1. #1
    NO1UKNOW is offline CHR Member Visit my Photo Gallery
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    Cam question....

     



    Ok I'm new here and have learned from this site, now I have a question, I have a mark IV 454 bored .30 with flat top pistons and 781 heads that are ported and polished heads (dont know specs i bought it like this) with roller rockers a weiand intake dual plane and I'm getting a q-jet carb for this, its going in a K5 blazer to play in the sand and I was wondering if a comp cams xe268 would be a good choice for my application, I have a 700R4 tranny and stock convertor, thanks in advance. and if anyone uses this cam I would like to hear how they perform

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by NO1UKNOW View Post
    Ok I'm new here and have learned from this site, now I have a question, I have a mark IV 454 bored .30 with flat top pistons and 781 heads that are ported and polished heads (dont know specs i bought it like this) with roller rockers a weiand intake dual plane and I'm getting a q-jet carb for this, its going in a K5 blazer to play in the sand and I was wondering if a comp cams xe268 would be a good choice for my application, I have a 700R4 tranny and stock convertor, thanks in advance. and if anyone uses this cam I would like to hear how they perform
    I would have thought that Pat McCarthy would have answered you by now. Maybe he saw that you are planning a flat tappet cam in a BBC and decided to pass on this one. Pat is not a fan of flat tappet cams in a BBC.

  3. #3
    NO1UKNOW is offline CHR Member Visit my Photo Gallery
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    At the moment it's all I can afford.....

  4. #4
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by NO1UKNOW View Post
    At the moment it's all I can afford.....
    I can see that this is going to turn ugly no matter what.

  5. #5
    Geezer2's Avatar
    Geezer2 is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 1976 Cadillac Seville with 454 Chevy
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    This cam will give you a mild choppiness to the idle and will work well for off road...you should make about 500 HP and 500 FtLbs

    A slightly higher stall convertor would be a plus, but not essential.
    Buying parts I don't need, with money I don't have, to impress people I don't like

  6. #6
    NO1UKNOW is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by techinspector1 View Post
    I can see that this is going to turn ugly no matter what.
    Did I say something wrong?

  7. #7
    techinspector1's Avatar
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    Quote Originally Posted by NO1UKNOW View Post
    Did I say something wrong?
    No, you're fine. It's just that I'm gazing into my crystal ball and I see you with a fragged flat tappet cam. It's a crapshoot using anything but a roller these days. Here is a pretty good list of what can go wrong....
    http://www.crankshaftcoalition.com/w...ips_and_tricks

  8. #8
    pat mccarthy's Avatar
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    Quote Originally Posted by techinspector1 View Post
    I would have thought that Pat McCarthy would have answered you by now. Maybe he saw that you are planning a flat tappet cam in a BBC and decided to pass on this one. Pat is not a fan of flat tappet cams in a BBC.
    your crystal ball is working good . hey seeing how you got the BALL you got the lotto numbers for MI this week
    Last edited by pat mccarthy; 10-27-2010 at 09:59 PM.
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip

  9. #9
    techinspector1's Avatar
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    Quote Originally Posted by pat mccarthy View Post
    your crystal ball is working good . hey seeing how you got the BALL you got the lotto numbers for MI this week
    I have the winning numbers and will release them to you upon receipt of a large, heavy wooden crate from Bay City.

  10. #10
    pat mccarthy's Avatar
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    Quote Originally Posted by techinspector1 View Post
    I have the winning numbers and will release them to you upon receipt of a large, heavy wooden crate from Bay City.
    well i got the crate part
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip

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