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Thread: Still amazed....

  1. #1
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    Still amazed....

    .....at how big the intake ports are on my cnc'd DD heads. I think what amazes me most is how much the roof of the ports have been raised. I've got everything apart on my motor for the new cam install and was looking at the ports and then looking at the ports on a set of mild ported heads I have sitting in the garage, what a monumental difference in size...............

    The new .588/.600 lift cam should help get the potential out of them.........
    Last edited by nickleman60; 01-15-2010 at 01:11 PM.
    SCCOA Member #2406
    '94 SC AUTO - 2.3 Whipple
    '90 SC AUTO - Bone Stock
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  2. #2
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    Wow...looks a bit different than my port-job!
    Matt Haub
    Shootouts: '09 SS 1st | '10 Mod1 2nd | '11 Bracket 3rd | '12 Bracket 1st | 2013 | '14 Bracket 3rd | 2015 | '16 Bracket 1st & Mod2 2nd | 2017 |
    Black '89 5spd - 281K miles, MPx, E85, Alky-Inj RWHP: ? RWTQ: ? Best 1/4mi:12.521, MPH:107.23mph
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  3. #3
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    Ya they are amazing. I looked at them for a long time when I first opened the box a couple years ago.
    SCCoA Member#: 2515
    1990 SC AOD 2.1L Kenne Bell
    11.676 @ 121.35 mph
    506hp/478tq
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  4. #4
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    I figured I would add a picture of a stock head from nearly the same angle.
    Attached Images Attached Images  

  5. #5
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    Quote Originally Posted by Roadhawg View Post
    I figured I would add a picture of a stock head from nearly the same angle.
    Good pic to compare with....................
    SCCOA Member #2406
    '94 SC AUTO - 2.3 Whipple
    '90 SC AUTO - Bone Stock
    http://www.sccoa.com/forums/garage_v..._vehicle&id=19

  6. #6
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    Rai - rai - raise the roof!

    Just kidding. Wow, those are nice. I can see how it would really improve flow through the intake. And the unimportant sections of the port are left alone. Looks to be very efficient in terms of return vs. effort.
    God bless!!!

    Former Birds:
    1990 SC auto ... red outside, gray cloth inside ... ~225,000 miles ... Sold.
    1990 SC auto ... white outside, gray cloth inside ... ~150,000 miles ... wrecked.
    1989 Base auto ... Crystal Blue metallic outside, dark blue inside ... ~160,000 miles ... Sold.

  7. #7
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    Any numbers on what they flow??

    Ira

  8. #8
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    Quote Originally Posted by Ira R. View Post
    Any numbers on what they flow??

    Ira
    DD can answer that................
    SCCOA Member #2406
    '94 SC AUTO - 2.3 Whipple
    '90 SC AUTO - Bone Stock
    http://www.sccoa.com/forums/garage_v..._vehicle&id=19

  9. #9
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    Quote Originally Posted by nickleman60 View Post
    DD can answer that................
    Yea, but he won't......

    Ira

  10. #10
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    Quote Originally Posted by Roadhawg View Post
    I figured I would add a picture of a stock head from nearly the same angle.
    Man... at least clean up that stocker! Only looks bigger cause its cleaner.
    ~Chris
    SCCoA Member #1826
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  11. #11
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    Cam's in................

    Now I have to put the rest of it together........
    SCCOA Member #2406
    '94 SC AUTO - 2.3 Whipple
    '90 SC AUTO - Bone Stock
    http://www.sccoa.com/forums/garage_v..._vehicle&id=19

  12. #12
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    Forgot to tell you before I left that I replaced the missing dowel and installed a new Front Crank seal before I put the timing cover back on....No more leaky...
    Last edited by frdlvr30; 01-15-2010 at 01:24 AM.

  13. #13
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    Quote Originally Posted by frdlvr30 View Post
    Forgot to tell you before I left that I replaced the missing dowel and installed a new Front Crank seal before I put the timing cover back on....No more leaky...
    Cool........What do I owe you for the seal?
    SCCOA Member #2406
    '94 SC AUTO - 2.3 Whipple
    '90 SC AUTO - Bone Stock
    http://www.sccoa.com/forums/garage_v..._vehicle&id=19

  14. #14
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    I am curious about how much is done to the exhaust ports. Do you have any pics of those?

    Also, I was thinking about the first set of pics more. It looks like the trickiest port might be the #2 because the air has to make that S-curve. I wonder how the flow balances against cylinders #1 and #3, or how much work it took to get it right.

    I am also wondering if DD has seen this thread? I mean, it's free advertising, but it's also his mental work on display.
    God bless!!!

    Former Birds:
    1990 SC auto ... red outside, gray cloth inside ... ~225,000 miles ... Sold.
    1990 SC auto ... white outside, gray cloth inside ... ~150,000 miles ... wrecked.
    1989 Base auto ... Crystal Blue metallic outside, dark blue inside ... ~160,000 miles ... Sold.

  15. #15
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    Quote Originally Posted by S_Mazza View Post
    I am curious about how much is done to the exhaust ports. Do you have any pics of those?

    Also, I was thinking about the first set of pics more. It looks like the trickiest port might be the #2 because the air has to make that S-curve. I wonder how the flow balances against cylinders #1 and #3, or how much work it took to get it right.

    I am also wondering if DD has seen this thread? I mean, it's free advertising, but it's also his mental work on display.
    These pictures really do the heads no justice. You have to see them in person. They are huge compared to stock.

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