Greg lightning headers
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Greg lightning headers

  1. #1
    Senior Member Mrs.HLB's Avatar
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    Default Greg lightning headers

    on a 502 mag fuel injection motor how much hp on average will these headers add. Are they a good choice they are already on the boat but if they are pron to problems I will stauy away. Bot has single hydraulic steering 97 25 xp closed bow claims it will see 80 mph is he blowing smoke or not


    Mark

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  3. #2
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    Default Lighting

    Mark The Lighting headders will pick you up usually 40 hp is not uncommon.As far as 80 mph with 450 hp it can happen if everything is perfect, but 70 to 75 would be more realistic.

  4. #3
    Senior Member Mrs.HLB's Avatar
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    Thaks greg

    Quote Originally Posted by greg shoemaker View Post
    Mark The Lighting headders will pick you up usually 40 hp is not uncommon.As far as 80 mph with 450 hp it can happen if everything is perfect, but 70 to 75 would be more realistic.

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