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Thread: weight of a 400 long block
          
   
   

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  1. #1
    cutlassman_406's Avatar
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    weight of a 400 long block

     



    i need to know the weight of a 400 long block

  2. #2
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    Well, a sbc weighs about 575 complete, so maybe 450?


    Don

  3. #3
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    No Denny, I might be wrong, but that 575 weight is for a complete engine. If you take of everything but the block and heads it should be about 125 lighter (a guess). I order the replacement long blocks at work for marine repowers, and on a pallet the long block comes in at 525, including the pallet and crate.

    The website is a little confusing because he includes both complete and longblocks in the chart, but doesn't really specify which is which.

    Don

  4. #4
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    A long block is a short block with heads installed. No intake, carb, exhaust manifolds, distributor, pulleys, accessories, flywheel or flexplate, etc. A short block is the block with crank , pistons, rods, cam, timing chain, oil pump and maybe a pan

    There is no denying you really know your stuff, and I think you and I are saying the same thing, only calling it a different name? But in all things mechanical, I always defer to your opinion, because I have come to respect it.


    Don

  5. #5
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    Yeah, I knew that you and I were coming from pretty much the same place, and like I said, your knowledge is always impressive.

    Don

  6. #6
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    Quote Originally Posted by DennyW
    Thanks Don, I know what you are saying, but what we don't know is if he just wants those facts as far as the weight, or if he means a loaded long block with all of it. That's where I'm confused a little. That's why I just posted those links, and figured he may ask more, or say that is what he wanted. Usually, a fully loaded one with all the goodies runs a little over 600 pounds. The type of heads, and intake is a factor also. I wasn't going against what you said at all. Just adding info.

    Where is he ??
    I have just one question.Why does he want to know the weight of a long block and he also want's to know about the 624 cylinder heads?Am I reading to much into this?

  7. #7
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    Maybe he's shipping one someplace.


    Don

  8. #8
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    Quote Originally Posted by DennyW
    I was wondering that very thing.
    He started talking about weight so I start thinking he is trying to figure out what front springs he is going to order for his drag car.
    Then he brings up the 624 heads.
    I did not see that one coming.

  9. #9
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    Quote Originally Posted by DennyW
    Well, he's not online now, he may be nailing up the box right now.
    You mean the box for hauling around the 624 heads in the back of his truck?

  10. #10
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    Remind me to always stay on line. You guys are tough.

    Don

  11. #11
    erik erikson's Avatar
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    Quote Originally Posted by Itoldyouso
    Remind me to always stay on line. You guys are tough.

    Don
    Yes we are known for it.
    Sometimes I like to fight with myself and I have never lost yet.

  12. #12
    erik erikson's Avatar
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    Quote Originally Posted by DennyW
    I don't know, the other night I was eating a snack, and I bit my jaw. So, I smacked myself a good one, and you should have seen the look on my face. But, I didn't bit myself anymore.
    Well they say admitting you have a problem is the first step.

  13. #13
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    i have a motor that im trying to sell and a guy asked what it would cost to ship the motor to texas soyea thats whats goin on between the two

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