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1 5/8 or 1 3/4 primaries on sbc?

Discussion in 'Turbo Tech Questions' started by actmobmar, Oct 15, 2010.

  1. actmobmar

    Joined:
    Oct 9, 2010
    what size primaries do i need to develope between 650-750 hp? engine is a 383 chevy w/ brodix heads and t3/t4 hybrids, thanks!! it seems hard to find sst headers for this, i was able to find 1 5/8 fairly easily.
     
    actmobmar, Oct 15, 2010
    #1

  2. ash

    Joined:
    Jan 23, 2006
    1 5/8
     
    ash, Oct 15, 2010
    #2
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