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Thread: Cam question....
          
   
   

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  1. 10-26-2010 07:05 PM #1
    NO1UKNOW
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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
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  2. 10-27-2010 11:42 AM #2
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    techinspector1
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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.
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  3. 10-27-2010 08:48 PM #3
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    pat mccarthy
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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 08:59 PM.
    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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  4. 10-27-2010 09:09 PM #4
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    techinspector1
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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.
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  5. 10-27-2010 09:14 PM #5
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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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  6. 10-27-2010 12:28 PM #6
    NO1UKNOW
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    At the moment it's all I can afford.....
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  7. 10-27-2010 12:47 PM #7
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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.
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  8. 10-27-2010 01:12 PM #8
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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
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  9. 10-27-2010 07:30 PM #9
    NO1UKNOW
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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?
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  10. 10-27-2010 07:39 PM #10
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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
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