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Old 12-04-2005, 07:58 PM   #1
Pythias
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Small Block and Big Blocks

What's the difference between the two, and what is the difference between short block and big blocks or are they just other names for small block and big blocks. I looked through some sites but I think the answer to my question may be better answered on here. Thanks
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Old 12-04-2005, 07:59 PM   #2
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Quote:
Originally Posted by Pythias
What's the difference between the two, and what is the difference between short block and big blocks or are they just other names for small block and big blocks. I looked through some sites but I think the answer to my question may be better answered on here. Thanks

hang on, there's a thread we discussed this in....

here's long block vs. short block...
http://www.car-forums.com/talk/showt...ighlight=block

here's some discussion on small block/big block...
http://www.car-forums.com/talk/showt...ighlight=block

enjoy...

ps: the search button is your friend...
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Old 12-04-2005, 08:08 PM   #3
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Quote:
Originally Posted by Pythias
What's the difference between the two, and what is the difference between short block and big blocks or are they just other names for small block and big blocks. I looked through some sites but I think the answer to my question may be better answered on here. Thanks
I've already covered this a few times. Of course if you revive an old thread about it it'll be locked, so here's the short version.

Longblock/shortblock. Very basically a longblock is a complete engine assembly, not including the intake manifold, oil pan or any accesories. A shortblock is a longblock without the cylinder heads installed.

Big block/small block. Refers to the architecture of the engine, bore spacing normally being the primary determining factor. For example a small block Ford has 4.380" bore spacing but a big block Ford has 4.630" (FE engines) or 4.900" bore spacing.
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Old 12-04-2005, 08:11 PM   #4
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Originally Posted by vwhobo
I've already covered this a few times. Of course if you revive an old thread about it it'll be locked, so here's the short version.

Longblock/shortblock. Very basically a longblock is a complete engine assembly, not including the intake manifold, oil pan or any accesories. A shortblock is a longblock without the cylinder heads installed.

Big block/small block. Refers to the architecture of the engine, bore spacing normally being the primary determining factor. For example a small block Ford has 4.380" bore spacing but a big block Ford has 4.630" (FE engines) or 4.900" bore spacing.

Thank you, could you possibly link me to the threads, I was also wondering about the advantages and disadvantages such as power, I am currently searching for a thread that may answer my other questions though.
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Old 12-04-2005, 08:12 PM   #5
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Quote:
Originally Posted by Pythias
I am currently searching for a thread that may answer my other questions though.
Which are?
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Old 12-04-2005, 08:22 PM   #6
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Which are?

Which are even though more displacement means more power at what cost? They are also heavier no doubt and how does that play in? Is one more reliable than the other? What are the advantages and disadvantages of each?
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Old 12-04-2005, 08:25 PM   #7
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Quote:
Originally Posted by Pythias
Which are even though more displacement means more power at what cost? They are also heavier no doubt and how does that play in? Is one more reliable than the other? What are the advantages and disadvantages of each?

depends on the brand of motor... which brand are you wondering about?
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Old 12-04-2005, 08:14 PM   #8
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Originally Posted by Pythias
Thank you, could you possibly link me to the threads, I was also wondering about the advantages and disadvantages such as power, I am currently searching for a thread that may answer my other questions though.
Very generally speaking, more displacement means more power. And again very generally, big blocks are torquier and small blocks rev higher.
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Old 12-04-2005, 08:18 PM   #9
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Quote:
Originally Posted by vwhobo
I've already covered this a few times. Of course if you revive an old thread about it it'll be locked, so here's the short version.

Longblock/shortblock. Very basically a longblock is a complete engine assembly, not including the intake manifold, oil pan or any accesories. A shortblock is a longblock without the cylinder heads installed.

Big block/small block. Refers to the architecture of the engine, bore spacing normally being the primary determining factor. For example a small block Ford has 4.380" bore spacing but a big block Ford has 4.630" (FE engines) or 4.900" bore spacing.

does ford really distinguish any of their motors as a big block, tho? b/c i know they have a shitload of engine series' .... small block, FE, 385, Modified :trails off:..... shit, i used to know them all, too....
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