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What is your definition of a small block ?

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Old Jan 30, 2008 | 01:39 PM
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Question What is your definition of a small block ?

There seems to be a varied definition of small blocks these days. Heck even sites like Wikipedia gives different definitions.

My understanding is that anything under 360ci is a small block.

Thoughts ?



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Old Jan 30, 2008 | 01:42 PM
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i think chevy calls the 427 in it's z06 a small block. i personally have no idea though
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Old Jan 30, 2008 | 01:47 PM
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A book I have shows how to build big inch small block chevys. The difference is not based on the ci, let me try and find it.
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Old Jan 30, 2008 | 01:51 PM
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Originally Posted by Wiki
There are Small-block and Big-block engines. These families differ in respect to the distance between cylinder bores, but not necessarily in engine displacement since the latter is defined by bore and stroke.
Cylinder block - Wikipedia, the free encyclopedia
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Old Jan 30, 2008 | 02:35 PM
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its the outside dimensions of the block itself.
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Old Jan 30, 2008 | 03:26 PM
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Old Jan 30, 2008 | 03:45 PM
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Originally Posted by Jordan T
its the outside dimensions of the block itself.
qft This is my deffinition right there .I mean u can look at a engine and just know it's a small block .
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Old Jan 30, 2008 | 04:23 PM
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Originally Posted by Scott

My understanding is that anything under 360ci is a small block.

Thoughts ?



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Old Jan 30, 2008 | 04:36 PM
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Originally Posted by 954RR
.....not even close.......


Wow !

That was helpful.
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Old Jan 30, 2008 | 06:12 PM
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Originally Posted by Scott
Wow !

That was helpful.
yep size of the block. For chevys small blocks USED to have all the distributors in the back, and the big blocks had them in the front. So that was an easy way to tell.

Outside that its just the engines overall size, I had a ford 400 (351 overbored), and it was big, but not huge liek a 460 would have been.
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