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Long Block vs Short Block

This is a discussion on Long Block vs Short Block within the Internal Engine forums, part of the LSx Technical Help Section category; What's the difference? Which one (or both) wouild fit in my Trans Am?...

  1. #1
    Sold: LS1 '85 El Camino ls1camino's Avatar
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    Long Block vs Short Block

    What's the difference?

    Which one (or both) wouild fit in my Trans Am?

  2. #2
    Senior Member Bottesini's Avatar
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    Quote Originally Posted by ls1camino View Post
    What's the difference?

    Which one (or both) wouild fit in my Trans Am?
    It can vary between places, but normally when I think short and long blocks the difference is heads. Long blocks have heads and short blocks do not. Otherwise they can be almost identical. If you are going to get a long block just make sure you read carefully all that it comes with since the term can vary (should also do the same for short blocks).

  3. #3
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    Oh, so there is no length difference, it's a term referring to whether or not the product has heads or not, right?

  4. #4
    Senior Member Bottesini's Avatar
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    Quote Originally Posted by ls1camino View Post
    Oh, so there is no length difference, it's a term referring to whether or not the product has heads or not, right?
    Yes, some other small details but that is the important part of it. Texas Speed sells both long and short blocks should you can just look between the two to see what they make them different.

  5. #5
    Shortblock would consist of the block, crank, rods and pistons (bearing and rings etc as well)

    A longblock would consist of a shortblock with cylinder heads, camshaft and complete valvetrain. Rarely they might come with items like a crank pulley, timing set, water pump, valve covers, and other various items.

    Short vs long has nothing to do with physical dimension.

    Where in Laurel are you? Never see you around...

  6. #6
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    Quote Originally Posted by Marc 85Z28 View Post
    Shortblock would consist of the block, crank, rods and pistons (bearing and rings etc as well)

    A longblock would consist of a shortblock with cylinder heads, camshaft and complete valvetrain. Rarely they might come with items like a crank pulley, timing set, water pump, valve covers, and other various items.

    Short vs long has nothing to do with physical dimension.

    Where in Laurel are you? Never see you around...
    I'm in North Laurel (Howard County) and Nymphadora is a garage queen during the week...what about you?

  7. #7
    Quote Originally Posted by ls1camino View Post
    I'm in North Laurel (Howard County) and Nymphadora is a garage queen during the week...what about you?
    I work at CarMax. I'm all over the area on weekdays, but not on weekends. Explains alot I guess

  8. #8
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    Quote Originally Posted by Marc 85Z28 View Post
    I work at CarMax. I'm all over the area on weekdays, but not on weekends. Explains alot I guess
    I know the place...I'll try to stop by there one day...you work sales? mechanic?

  9. #9
    Veteran Hi-Po's Avatar
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    Long block are 7 feet longer. They only fit if you take the passenger seat out.





































    JK

  10. #10
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    Quote Originally Posted by Hi-Po View Post
    Long block are 7 feet longer. They only fit if you take the passenger seat out.



  11. #11
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    that's a REALLY LONG block!

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