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427 Extreme

This is a discussion on 427 Extreme within the Internal Engine forums, part of the LSx Technical Help Section category; I have a 99 vette with a 427 exereme from Speed Inc. Does anyone know the specifics of this engine? ...

  1. #1
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    1999 Corvette FRC

    427 Extreme

    I have a 99 vette with a 427 exereme from Speed Inc. Does anyone know the specifics of this engine? Cam, heads, internals etc?

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    Slow'er'Ass Mr. Luos's Avatar
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    I would call Speed, Inc.

    Hard to say what they used for parts.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
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    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

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    Quote Originally Posted by Mr. Luos View Post
    I would call Speed, Inc.

    Hard to say what they used for parts.
    They never respond. Even if you ask for a quote to get work done they aren't very helpfu. I will try that though, thanks.

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    O U 8 1 2 Spaz's Avatar
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    1999 trans am

    Quote Originally Posted by maidencd View Post
    I have a 99 vette with a 427 exereme from Speed Inc. Does anyone know the specifics of this engine? Cam, heads, internals etc?
    no good... nope... tell you what... i'll pm you my address and i'll pay for the shipping and you send it to me and i'll dispose of it for you...


  5. #5
    Slow'er'Ass Mr. Luos's Avatar
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    Kinda surprising. Had good luck with them personally.

    Could be all kinds of different parts in there. Although, as long as they don't use SLP, you are good.

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Kinda surprising. Had good luck with them personally.

    Could be all kinds of different parts in there. Although, as long as they don't use SLP, you are good.
    i got my air lid (SLP) from them and they were great... and they shipped it fast!!!

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