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500 Vs 572?

Discussion in 'MOPAR Turbo Tech Forum' started by TrxR, Sep 4, 2010.

  1. TrxR

    Joined:
    Oct 26, 2004
    What would you build for a EFI street/strip turbo motor to go into a Gen 1 Dakota Chassis that would like to go into the low 9's on pump fuel (93octane) Also what kind of compression and heads? I was also wondering what size single would I need to keep the back-pressure down/?

    Thanks
     
    TrxR, Sep 4, 2010
    #1

  2. turbofreek

    Joined:
    Feb 28, 2004
    Wouldn't take much more then a 440 with a good bottom end and heads to get low nines. An s480 or a set of t70's.
     
    turbofreek, Sep 4, 2010
    #2

  3. CW25

    Joined:
    Apr 5, 2003
    Do the 500 it will give you a better crank than the 40 year old 440 and be able to match a turbo better than the 572. I would probably do a 88 or 91mm
     
    CW25, Sep 5, 2010
    #3

  4. turboplymouth

    Joined:
    Jul 30, 2006
    I just went 9.96 @ 3550# with a 440 and a S475 11 psi, footbraking, 10.3:1 afr. I say 440 to keep the piston speed down and a S480 or 88, that'd be slick.
     
    turboplymouth, Sep 13, 2010
    #4

  5. turbo hemi

    Joined:
    Aug 14, 2009
    I would go the 500 even the 500 will eat up a lot of air
     
    turbo hemi, Sep 13, 2010
    #5
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