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496 builds

Discussion in 'The Garage' started by SUBFAN, Jun 25, 2006.

  1. SUBFAN

    SUBFAN 1/2 ton status

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    Which is easier cheaper to use for this? A 427 TD, or a regular 454? Both are Gen IV's....

    Anybody have experience in this or advantages/disadvantages to either one?
     
  2. JEBSR

    JEBSR 1/2 ton status

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    The only differance in a 427 and 454 is the crank, don't know about a tall deck though. With that in mind I would get whichever is availible. I'm considering doing a 496 out of my current 468 for my GTO as well.
     
  3. sweetk30

    sweetk30 professional hooker Premium Member

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    thay say tall deck for more room for the longer rods.
     
  4. SUBFAN

    SUBFAN 1/2 ton status

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    AW man, I didn't read that....Nothing wrong with Poncho power :D
     
  5. JEBSR

    JEBSR 1/2 ton status

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    Too expensive. Thats why I'm running a 468 (.060 over 454) now
     
  6. bayou blazer

    bayou blazer 1/2 ton status

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    The tall deck will use a different manifold that is not as common as the regular deck height BBC. you can use adapters to fit any of the more common big block manifolds, I think Milodon makes some. A lot of the racers use tall decks to get monster stroke big blocks and many of the aftermarket tall deck manifolds are racing single plane ones.
     
  7. k20

    k20 3/4 ton status

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    Tall Deck will let you run a longer rod, but it uses a different manifold, headers will be a pain to find, etc. Just go with a 454.
     
  8. nvrenuf

    nvrenuf NONE shall pass! Premium Member

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    "Russ" just did a 496 conversion in his 90 tbi'd V3500 using a stroker crank in a 454.
     
  9. Ryan B.

    Ryan B. 3/4 ton status GMOTM Winner

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    496 eh?
    How bout an 8.1L? Not only do you get the 496 but you get todays technology - Sequential multiport fuel injection on the vortec engines.
    We just swapped an '04 8.1L in my buddys crew cab. its a torque monster.
    The efi on his '04 8.1L is almost the same as my '04 6.0L.
     

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