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Thread: FS: 403ci short block

  1. #1
    Join Date
    Mar 2006
    Location
    Phoenix, AZ
    Posts
    620

    FS: 403ci short block

    403ci short block, approx 20k miles on it. Built by Rex, and I just took it to him to have him inspect it. Cylinder walls and main bearings were like new, rod bearings had a tiny bit of wear on them so he put in brand new ones. He said it's in great shape and good to go.

    Details:

    2003 6.0L iron block, taken .005 over, bore is 4.005"
    Callies Dragonslayer 4" stroker crank
    Calles Compstar rods
    Wiseco 16cc dish pistons
    ARP rod bolts
    ARP main studs

    I'm looking to get $2700 plus shipping. ***SOLD***
    Last edited by thunder550; 10-10-2009 at 05:56 PM.


    2006 GTO M6 Brazen Orange
    2006 Silverado CCSB Duramax


  2. #2
    Join Date
    Oct 2007
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    280
    Bump for good deal.

    9 sec truck club

  3. #3
    Join Date
    Apr 2008
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    Birmingham, AL
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    you couldnt spray a bunch of nitrous thru this could you?

    and it wouldnt necessarily be a great NA motor would it? more built for boost?
    01 Silverado

  4. #4
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    Mar 2006
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    Quote Originally Posted by mitch cobb racing View Post
    you couldnt spray a bunch of nitrous thru this could you?

    and it wouldnt necessarily be a great NA motor would it? more built for boost?
    You wouldn't have any problems with nitrous.

    If you did the right heads it would do ok N/A. I had 317 heads on it and was running 9.4:1 compression. If you did some 243's or something with a small combustion chamber you should be able to get the CR up over 10 pretty easyFor example, a 64cc head gives you a 10.2:1 CR.


    2006 GTO M6 Brazen Orange
    2006 Silverado CCSB Duramax


  5. #5
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    Apr 2008
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    how much could you put thru it safely?
    01 Silverado

  6. #6
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    Mar 2006
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    Quote Originally Posted by mitch cobb racing View Post
    how much could you put thru it safely?
    I don't know a whole lot about nitrous (never used it personally) so I can't really tell you that. The engine components though should be good for 1000+ hp, so take from that what you will.


    2006 GTO M6 Brazen Orange
    2006 Silverado CCSB Duramax


  7. #7
    Join Date
    Jan 2008
    Posts
    8,031
    24x reluctor?

  8. #8
    Join Date
    Mar 2006
    Location
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    Quote Originally Posted by STUNNA View Post
    24x reluctor?
    Yes, standard LS1 style.


    2006 GTO M6 Brazen Orange
    2006 Silverado CCSB Duramax


  9. #9
    YOU MAKE ME WANT TO CRY. Helluva deal from a helluva guy. I hate the GTO I just bought.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  10. #10
    casey23 Guest
    I LOVE MY REX MOTOR !!!!!!!!!!!!........ MIC??? U need this !!.... This is a GREAT deal for anyone.. most 400+inch shortblocks are 4000 range with just decent parts.......

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