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Thread: Hooker LS Longtube Headers for Chevynut's C4 frame.

  1. #11
    Registered Member NickP's Avatar
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    If you find that the Hooker units don't quite work out, get with AME and review their headers. On a SBC, the #2 tube is positioned up and over creating a nice pocket and clearance for steering shaft. They are not inexpensive however but a very nice piece I understand the BBC units fair much the same in design.

  2. #12
    Registered Member chevynut's Avatar
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    Quote Originally Posted by NickP View Post
    If you find that the Hooker units don't quite work out, get with AME and review their headers. On a SBC, the #2 tube is positioned up and over creating a nice pocket and clearance for steering shaft.
    Nick, any idea if those AME headers will clear the top of the C4 k-member uprights? Seems like that could be an issue.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


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  3. #13
    Registered Member NickP's Avatar
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    AME HEADERS

    I'll post a pic or two tomorrow and maybe with some dimensions taken we can determine that.

  4. #14
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    With no flange of any kind on the collectors, how are you guys connecting your exhaust system to the collectors on the Hooker 2292 and 2293? Also, does the 2292 have O2 bung(s)? I can't find a pic where it shows it has them.

  5. #15
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    I can't speak to what the people at Hooker/Holley are thinking.

    Maybe they are thinking that the location of the 02 bung is build dependent. But putting a bung on a coated header will locally destroy the coating. So if you need an O2 bung, you should order without coating.

    There are several ways of connecting the head pipe to the collector. The old school way is a flange. Two newer school ways are V clamps and ball/socket clamps. Again coating might or would be an issue depending on the choice.

    That's also one of the disadvantages of "off the shelf" headers as opposed to "semi custom". As an example, if you buy Earle Williams headers they will do bungs, flanges, etc. as you wish then send them out for coating.

  6. #16
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    Quote Originally Posted by Rick_L View Post
    I can't speak to what the people at Hooker/Holley are thinking.

    Maybe they are thinking that the location of the 02 bung is build dependent. But putting a bung on a coated header will locally destroy the coating. So if you need an O2 bung, you should order without coating.

    There are several ways of connecting the head pipe to the collector. The old school way is a flange. Two newer school ways are V clamps and ball/socket clamps. Again coating might or would be an issue depending on the choice.

    That's also one of the disadvantages of "off the shelf" headers as opposed to "semi custom". As an example, if you buy Earle Williams headers they will do bungs, flanges, etc. as you wish then send them out for coating.
    Thanks, Rick. That settles it, I'll buy the painted 2292 headers, weld on the V-clamp flanges and the O2 bung, and get them ceramic coated locally.

  7. #17
    Registered Member NickP's Avatar
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    Quote Originally Posted by chevynut View Post
    Nick, any idea if those AME headers will clear the top of the C4 k-member uprights? Seems like that could be an issue.
    I think they might have a good chance of that. Also might offer better clearance for steering shaft and stuff.

  8. #18
    Registered Member WagonCrazy's Avatar
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    I'll buy the painted 2292 headers, weld on the V-clamp flanges and the O2 bung, and get them ceramic coated locally.
    Yep. That's precisely my plan as well for mine.
    1957 Nomad- LS1/T56 on C4 chassis
    1959 Fleetside Apache 1/2 ton, shortbed, big window, 327ci.

  9. #19
    Registered Member chevynut's Avatar
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    Nick, those don't look like LS headers.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  10. #20
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    That's because they aren't.

    Do the V band clamps require welding? I was under the impression they didn't.

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