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Thread: 406 how much horsepower any thoughts?

  1. #1

    406 how much horsepower any thoughts?

    I have a 406 with a crane solid roller 630/630 with bowtie 230 raised runner heads with porting and a bowtie matched intake with a holley race 850 13 to 1 comp. Any idea on horse power? Thanks

  2. #2
    Senior Member RACING JUNKIE
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    550 +/- 50
    ***IN GOD WE TRUST***

  3. #3
    Senior Member DYNO OPERATOR
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    Re: 406 how much horsepower any thoughts?

    Quote Originally Posted by chevytuff
    I have a 406 with a crane solid roller 630/630 with bowtie 230 raised runner heads with porting and a bowtie matched intake with a holley race 850 13 to 1 comp. Any idea on horse power? Thanks
    1.6 ROCKER ARMS WILL GIVE YOU MORE LIFT AND POWER,WHATS THE DURATION?

  4. #4
    Senior Member EXPERT BUILDER
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    I would say right about 610.
    Josh VanHorne

    1964 Chevy Nova
    Worlds quickest and fastest tow truck. (9.92 @ 137)

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  5. #5
    Senior Member DYNO OPERATOR
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    Quote Originally Posted by DragsterJosh
    I would say right about 610.
    X2

  6. #6

    406 hp

    hp is going to be around 480t o 580 honest hp. 500 600 ft pnds torque

  7. #7
    Thanks to everyone that repied.


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