What are my options?
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What are my options?

  1. #1
    Seriously off center slowride's Avatar
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    Default What are my options?

    My engine (.040 over 390 FE) is running 10:1 flat tops and the cam has a decent overlap. I am thinking about supercharging it but am pretty sure with my compression I'll have to underdrive it and keep the boost down. What are my options with this engine, or do I need to stay NA?

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  3. #2
    Senior Member
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    Quote Originally Posted by slowride View Post
    My engine (.040 over 390 FE) is running 10:1 flat tops and the cam has a decent overlap. I am thinking about supercharging it but am pretty sure with my compression I'll have to underdrive it and keep the boost down. What are my options with this engine, or do I need to stay NA?
    IMO...the comp is ok...i run 11:1 on my blown BBC 427 with n/p...i run a 6-71 5% under-drive...makes good power & lives!...u need to get a cam that will match everything u have (heads, ign, exhaust etc)...cstraub here on the boards grinds cams for all apps...talk to him, he will steer u in the rite direction...what kind of blower?...what propelsion system...jet or v-drive?...what do u want to do with the boat?...a used manif may be hard to find for a decent price!...blower parts are out there (idler brkt, idler pulley, pulleys, belts etc)...this is just my .02 cents...if i can be of any help, just hollar

    FastRat

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