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Big Block Headers, what do you use?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BAJA_BLAZER, Sep 19, 2001.

  1. BAJA_BLAZER

    BAJA_BLAZER 1/2 ton status Author

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    I am swaping a BB into my 90 and wondered which Headers those of you with BB's are using. How well do they fit? What type are they (shorties, tri-y,run inside or outside the frame.) Do you like them, and would you get them again?

    Ramsey
     
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

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    I have Hedman's on my '85.

    When I get the 454 rebuilt for my '82, I'm looking into either Thorley tri-y's, Hooker Super Comp, or L&L Products.

    Thorley tri-y's are best for low end torque. I have never used them but have heard and read very positive stuff about them.

    Never heard anything about 'shorty' headers, either.

    <font color=red>I'm a "black top mudder"!!!</font color=red>

    <a target="_blank" href=http://coloradok5.com/gallery/thatK30guy>http://coloradok5.com/gallery/thatK30guy</a>
     
  3. BAJA_BLAZER

    BAJA_BLAZER 1/2 ton status Author

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    Thanks

    Ramsey
     
  4. 502Burban

    502Burban 1/2 ton status

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    Hooker SuperComps! Fit nice, and slide right into place.

    Robb
    '73 GMC Suburban - 502DFI
    <a target="_blank" href=http://community.webshots.com/user/robbrj>community.webshots.com/user/robbrj</a>
     
  5. CaptCrunch

    CaptCrunch 1/2 ton status

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    I have used both Hooker super comps and some custom made Headers by Ed. The Hookers are awsome although it wasn't a truck application. For the Blazers I hear Thorley's are the best and won't hit the shackle.

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <a target="_blank" href=http://coloradok5.com/gallery/captcrunch>http://coloradok5.com/gallery/captcrunch</a>
     
  6. Pugsley

    Pugsley 1/2 ton status

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    I had a set of OEM cast iron headers off of a medium duty (C70 I think) on my old C30 - they were great!!

    Special thanks to those lost from IAFF Locals 94 and 854 - You shall never be forgotten
    <a target="_blank" href=http://pugsley.alloffroad.com>pugsley.alloffroad.com</a>
     
  7. Zepplin

    Zepplin 1/2 ton status

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    I am going to go with Hedman Hedders for my BB. Some of my racing buddies run Hedman's and haven't had any problems with them.

    74 Blazer
    Zepplin
    Check out my Blazer<a target="_blank" href=http://community.webshots.com/user/zepplin1976>http://community.webshots.com/user/zepplin1976</a>
     
  8. Stephen

    Stephen 1/2 ton status Moderator Vendor

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    JBA shorties for a SS454 looked like they'd work pretty well for a stock type truck, I ended up using the shorties for a Vortec big block in an IFS truck but had to do frame mods on the right side for them to fit. We had some sheet metal manifolds from a 90 or so IFS truck that looked pretty good. Not as restrictive as most cast iron manifolds. Might look at that too.

    Making the world better, one truck at a time.
    SW-ORD
    <a target="_blank" href=http://www.offroaddesign.com>www.offroaddesign.com</a>
     
  9. BAJA_BLAZER

    BAJA_BLAZER 1/2 ton status Author

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    Anybody else have anything to add?

    Ramsey
     
  10. 84_Chevy_K10

    84_Chevy_K10 Banned

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    I don't have a big block, but I am impressed by my Dynomax headers.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     

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