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Thread: 2 1/2 or 3 inch diameter system?

  1. #11
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    I agree. Rumor has it that many mufflers with 3 inch or bigger inlets and outlets still only have 2 1/2" or less OD on the piping on the inside.

  2. #12
    Registered Member WagonCrazy's Avatar
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    I'll post some links to the mufflers I'm considering very soon.
    1957 Nomad- LS1/T56 on C4 chassis
    1959 Fleetside Apache 1/2 ton, shortbed, big window, 327ci.

  3. #13
    Registered Member WagonCrazy's Avatar
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    Went with 2 1/2 inch exhaust system. Aluminized pipe and bends, magnaflow mufflers, v band clamps, chrome tips. Parts ordered from Summit Racing...about $700 total.
    Pics coming soon (the photo loader on this site doesn't seem to be working at the moment)
    1957 Nomad- LS1/T56 on C4 chassis
    1959 Fleetside Apache 1/2 ton, shortbed, big window, 327ci.

  4. #14
    Registered Member WagonCrazy's Avatar
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    1957 Nomad- LS1/T56 on C4 chassis
    1959 Fleetside Apache 1/2 ton, shortbed, big window, 327ci.

  5. #15
    Registered Member WagonCrazy's Avatar
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    Some of my Mig welding skills on display here. I'm a practically blind hobby welder at best. 110v Lincoln 135 with argon mix bottle.

    IMG_4349.jpg

    IMG_4350.jpg
    1957 Nomad- LS1/T56 on C4 chassis
    1959 Fleetside Apache 1/2 ton, shortbed, big window, 327ci.

  6. #16
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    Quote Originally Posted by WagonCrazy View Post
    Some of my Mig welding skills on display here. I'm a practically blind hobby welder at best. 110v Lincoln 135 with argon mix bottle.
    I've done a lot worse. After a long time of crappy Mig welds I found it worked better with flux core wire. Now I save the mig for really light stuff and do better with a stick and a buzz box. Looks like you cheated and did many small welds instead of moving, I should try that with my POS welder.
    Tony

    1955 Bel Air Sport Coupe

  7. #17
    Registered Member chevynut's Avatar
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    Paul, why aren't you using your TIG welder for that? I think it would work a lot better for that kind of work. Here's my v-bands in stainless......

    10030001.JPG

    And here's mild steel on the headers and O2 bungs with TIG:

    20151217_008.JPG
    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

  8. #18
    Registered Member WagonCrazy's Avatar
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    Paul, why aren't you using your TIG welder for that?
    Ummm...because I don't own a TIG welder. Only the little Lincoln Mig. So using what I have and sacrificing on the look. This whole exhaust system gets jet hot coated at some point anyway...
    1957 Nomad- LS1/T56 on C4 chassis
    1959 Fleetside Apache 1/2 ton, shortbed, big window, 327ci.

  9. #19
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    It looks like you might be welding outside. Any breeze at all will plays havoc with a weld, and it looks like on some of the tacks it didn't have shielding gas on it. It looks like it will work fine though.

  10. #20
    Registered Member chevynut's Avatar
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    Quote Originally Posted by WagonCrazy View Post
    Ummm...because I don't own a TIG welder. Only the little Lincoln Mig. So using what I have and sacrificing on the look. This whole exhaust system gets jet hot coated at some point anyway...
    Sorry I thought you said you owned a TIG.
    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

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