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Thread: New SCU 4.3 engine pics

  1. #1
    Join Date
    Apr 2002
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    St. Charles, MO
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    20,898

    New SCU 4.3 engine pics

    Thought you guys might like to see some pictures of the new motor that Dave just finished building for my 91. Only thing that changed from the pictures is the head allignment dowels, they were cut to allow for expansion of the heads, in an effort to prevent them from lifting.


    http://members.tccoa.com/dneibert/SCU1.jpg

    http://members.tccoa.com/dneibert/SCU2.jpg

    http://members.tccoa.com/dneibert/SCU3.jpg

    http://members.tccoa.com/dneibert/SCU4.jpg

    http://members.tccoa.com/dneibert/SCU5.jpg

    http://members.tccoa.com/dneibert/SCU6.jpg


    David
    Last edited by David Neibert; 03-24-2009 at 01:09 PM.
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  2. #2
    Join Date
    Jul 2002
    Location
    Boston, MA
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    7,340
    its no good on an engine stand
    1994 Supercoupe 5spd Custom, first to buy a 2.1L Big Bore Kenne Bell Twin Screw for an SC
    Old numbers on 1.7l AR SC: 415WHP off the bottle-12.2535 @112.18 off the bottle. Best TQ to date 516ft/lbs, New numbers 480whp on dream crusher.
    1990 35th 5spd 2011 Carlisle 1st place class winner. 12.9@108MPH 1.9
    2013 GT/CS 5.0L FRPP 2.3l Whipplecharged family weekend car
    2005 SAAB 9-3 Aero 2.0L TURBO Work Mule

  3. #3
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    Apr 2002
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    Quote Originally Posted by ricardoa1 View Post
    its no good on an engine stand

    I've only had it for two days. If all goes to plan, it's going in the car this weekend

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  4. #4
    Join Date
    Jul 2002
    Location
    Boston, MA
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    What did you keep from the old one? Looks like its all new. Are the rockers the same? they look different. then your standard RR.
    1994 Supercoupe 5spd Custom, first to buy a 2.1L Big Bore Kenne Bell Twin Screw for an SC
    Old numbers on 1.7l AR SC: 415WHP off the bottle-12.2535 @112.18 off the bottle. Best TQ to date 516ft/lbs, New numbers 480whp on dream crusher.
    1990 35th 5spd 2011 Carlisle 1st place class winner. 12.9@108MPH 1.9
    2013 GT/CS 5.0L FRPP 2.3l Whipplecharged family weekend car
    2005 SAAB 9-3 Aero 2.0L TURBO Work Mule

  5. #5
    Join Date
    Dec 2003
    Location
    Altoona IA
    Posts
    3,237
    You must be really excited. I can't wait to hear about the results.

  6. #6
    Join Date
    Dec 2002
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    Wintersville, OH
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    DD has some rattle can skills, Look at the pretty block. DO WORK David, Make a burnout video, maybe a little donut too.

  7. #7
    Join Date
    Apr 2002
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    Quote Originally Posted by ricardoa1 View Post
    What did you keep from the old one? Looks like its all new. Are the rockers the same? they look different. then your standard RR.
    Ricardo

    I kept the late model timing cover, oil pump, BHJ balancer and the rocker covers....everything else is new. The rockers are something new that Dave has recently developed to allow increasing the rpms without the loss of valve train stability. All I can really tell you, is they look to be way stronger than anything else I've ever seen on SC head.

    David
    Last edited by David Neibert; 03-24-2009 at 01:33 PM.
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  8. #8
    Join Date
    Aug 2004
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    KSRQ
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    5,122
    Well the man can build an engine. Good luck of course and let us see some results so we can all ooh and ahh appropriately In fact I want to be green with envy over this build!

    Ira

  9. #9
    Join Date
    Oct 2005
    Location
    Southwest of Kansas City
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    2,272
    Looks good Dave. It will be interesting to hear about the results.
    Jim, SCCoA Member#: 2789

    "cuz Jim has mad skillz, yo!" Melon.
    "You guys crack me up talking about nitrous when you don't even know if you can keep it together on gasoline." XR7 Dave
    "I didn't break it, I found it's weakness."

  10. #10
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    David,
    Looks good! Is the cam the same spec as before?
    I take it Kurt and Chris will over this weekend helping.

    Ken
    1992 Thunderbird SC
    13.322 @ 102.81
    1993 Thunderbird SC 5spd..white
    2002 F350 SD Diesel (SC tow vehicle)

  11. #11
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    Sep 2003
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    Looks sweet indeed. Looking forward to seeing dyno results and hopefully see it run in person.

  12. #12
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    Jul 2003
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    Ottawa, Ohio
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    It was a very nice piece to look at last weekend . The rocker setup that was develeped is very nice and well engineered. Good to see you made it back, and can't wait to hear the results.
    SCCoA Member#: 2515
    1990 SC AOD 2.1L Kenne Bell
    11.676 @ 121.35 mph
    506hp/478tq
    My Garage

  13. #13
    Join Date
    Aug 2002
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    3,659
    Looks good. Looking forward to hear of some results.

  14. #14
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    Quote Originally Posted by David Neibert View Post
    Only thing that changed from the pictures is the head allignment dowels, they were cut to allow for expansion of the heads, in an effort to prevent them from lifting.

    David

    This is the third mention of people cutting the dowels that I have come across the past month. Which way are they cut and how are they aligned/inserted into the block? I am at a point where I could do that too, but just need some clarification. I am assuming half moon with flat edge facing center of the block?

  15. #15
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    Apr 2002
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    Quote Originally Posted by rzimmerl View Post
    It was a very nice piece to look at last weekend . The rocker setup that was develeped is very nice and well engineered. Good to see you made it back, and can't wait to hear the results.
    Ryan,

    Nice seeing you again. Sorry I was a little groggy from being up till 4:30 the night before and didn't recognize you. I thought you looked real familiar and asked Dave who you were shortly after you left. After he told me I felt like a real jerk for not saying anything.

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

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